Merge remote-tracking branch 'origin/main' into dashboarding-assistant-poc

# Conflicts:
#	packages/grafana-runtime/src/index.ts

packages/grafana-runtime/src/index.ts

@@ -77,5 +77,14 @@ export {
   getCorrelationsService,
   setCorrelationsService,
 } from './services/CorrelationsService';
+export {
+  getDashboardMutationAPI,
+  setDashboardMutationAPI,
+  type DashboardMutationAPI,
+  type MutationResult,
+  type MutationChange,
+  type MutationRequest,
+  type MCPToolDefinition,
+} from './services/dashboardMutationAPI';
 export { getAppPluginVersion, isAppPluginInstalled } from './services/pluginMeta/apps';
 export { useAppPluginInstalled, useAppPluginVersion } from './services/pluginMeta/hooks';

packages/grafana-runtime/src/services/dashboardMutationAPI.ts

@@ -0,0 +1,160 @@
+/**
+ * Dashboard Mutation API Service
+ *
+ * Provides a stable interface for programmatic dashboard modifications.
+ *
+ * The API is registered by DashboardScene when a dashboard is loaded and
+ * cleared when the dashboard is deactivated.
+ */
+
+/**
+ * MCP Tool Definition - describes a tool that can be invoked
+ * @see https://spec.modelcontextprotocol.io/specification/server/tools/
+ */
+export interface MCPToolDefinition {
+  name: string;
+  description: string;
+  inputSchema: {
+    type: 'object';
+    properties: Record<string, unknown>;
+    required?: string[];
+  };
+  annotations?: {
+    title?: string;
+    readOnlyHint?: boolean;
+    destructiveHint?: boolean;
+    idempotentHint?: boolean;
+    confirmationHint?: boolean;
+  };
+}
+
+export interface MutationResult {
+  success: boolean;
+  /** ID of the affected panel (for panel operations) */
+  panelId?: string;
+  /** Error message if success is false */
+  error?: string;
+  /** List of changes made by the mutation */
+  changes?: MutationChange[];
+  /** Warnings (non-fatal issues) */
+  warnings?: string[];
+  /** Data returned by read-only operations (e.g., GET_DASHBOARD_INFO) */
+  data?: unknown;
+}
+
+export interface MutationChange {
+  /** JSON path to the changed value */
+  path: string;
+  /** Value before the change */
+  previousValue: unknown;
+  /** Value after the change */
+  newValue: unknown;
+}
+
+export interface MutationRequest {
+  /** Type of mutation (e.g., 'ADD_PANEL', 'REMOVE_PANEL', 'UPDATE_PANEL') */
+  type: string;
+  /** Payload specific to the mutation type */
+  payload: unknown;
+}
+
+/**
+ * Dashboard info returned by getDashboardMutationAPI().getDashboardInfo()
+ */
+export interface DashboardMutationInfo {
+  available: boolean;
+  uid?: string;
+  title?: string;
+  canEdit: boolean;
+  isEditing: boolean;
+  availableTools: string[];
+}
+
+export interface DashboardMutationAPI {
+  /**
+   * Execute a mutation on the dashboard
+   */
+  execute(mutation: MutationRequest): Promise<MutationResult>;
+
+  /**
+   * Check if the current user can edit the dashboard
+   */
+  canEdit(): boolean;
+
+  /**
+   * Get the UID of the currently loaded dashboard
+   */
+  getDashboardUID(): string | undefined;
+
+  /**
+   * Get the title of the currently loaded dashboard
+   */
+  getDashboardTitle(): string | undefined;
+
+  /**
+   * Check if the dashboard is in edit mode
+   */
+  isEditing(): boolean;
+
+  /**
+   * Enter edit mode if not already editing
+   */
+  enterEditMode(): void;
+
+  /**
+   * Get the available MCP tool definitions for this dashboard
+   */
+  getTools(): MCPToolDefinition[];
+
+  /**
+   * Get comprehensive dashboard info in a single call
+   */
+  getDashboardInfo(): DashboardMutationInfo;
+}
+
+// Singleton instance
+let _dashboardMutationAPI: DashboardMutationAPI | null = null;
+
+// Expose on window for cross-bundle access (plugins use different bundle)
+declare global {
+  interface Window {
+    __grafanaDashboardMutationAPI?: DashboardMutationAPI | null;
+  }
+}
+
+/**
+ * Set the dashboard mutation API instance.
+ * Called by DashboardScene when a dashboard is activated.
+ *
+ * @param api - The mutation API instance, or null to clear
+ * @internal
+ */
+export function setDashboardMutationAPI(api: DashboardMutationAPI | null): void {
+  _dashboardMutationAPI = api;
+  // Also expose on window for plugins that use a different @grafana/runtime bundle
+  if (typeof window !== 'undefined') {
+    window.__grafanaDashboardMutationAPI = api;
+  }
+}
+
+/**
+ * Get the dashboard mutation API for the currently loaded dashboard.
+ *
+ * @returns The mutation API, or null if no dashboard is loaded
+ *
+ * @example
+ * ```typescript
+ * import { getDashboardMutationAPI } from '@grafana/runtime';
+ *
+ * const api = getDashboardMutationAPI();
+ * if (api && api.canEdit()) {
+ *   await api.execute({
+ *     type: 'ADD_PANEL',
+ *     payload: { ... }
+ *   });
+ * }
+ * ```
+ */
+export function getDashboardMutationAPI(): DashboardMutationAPI | null {
+  return _dashboardMutationAPI;
+}

packages/grafana-runtime/src/services/index.ts

@@ -42,3 +42,13 @@ export {
 export { setCurrentUser } from './user';
 export { RuntimeDataSource } from './RuntimeDataSource';
 export { ScopesContext, type ScopesContextValueState, type ScopesContextValue, useScopes } from './ScopesContext';
+export {
+  getDashboardMutationAPI,
+  setDashboardMutationAPI,
+  type DashboardMutationAPI,
+  type DashboardMutationInfo,
+  type MutationResult,
+  type MutationChange,
+  type MutationRequest,
+  type MCPToolDefinition,
+} from './dashboardMutationAPI';

public/app/features/dashboard-scene/mutation-api/MutationExecutor.ts

@@ -0,0 +1,288 @@
+/**
+ * Mutation Executor
+ *
+ * Executes dashboard mutations with transaction support and event emission.
+ */
+
+import { v4 as uuidv4 } from 'uuid';
+
+import type { DashboardScene } from '../scene/DashboardScene';
+
+import {
+  handleAddPanel,
+  handleRemovePanel,
+  handleUpdatePanel,
+  handleMovePanel,
+  handleAddVariable,
+  handleRemoveVariable,
+  handleAddRow,
+  handleUpdateTimeSettings,
+  handleUpdateDashboardMeta,
+  handleGetDashboardInfo,
+  type MutationContext,
+  type MutationTransactionInternal,
+  type MutationHandler,
+} from './handlers';
+import {
+  type Mutation,
+  type MutationType,
+  type MutationResult,
+  type MutationEvent,
+  type MutationPayloadMap,
+} from './types';
+
+// ============================================================================
+// Event Bus
+// ============================================================================
+
+type MutationEventListener = (event: MutationEvent) => void;
+
+class MutationEventBus {
+  private listeners: Set<MutationEventListener> = new Set();
+
+  subscribe(listener: MutationEventListener): () => void {
+    this.listeners.add(listener);
+    return () => this.listeners.delete(listener);
+  }
+
+  emit(event: MutationEvent): void {
+    this.listeners.forEach((listener) => {
+      try {
+        listener(event);
+      } catch (error) {
+        console.error('Event listener error:', error);
+      }
+    });
+  }
+}
+
+// ============================================================================
+// Mutation Executor
+// ============================================================================
+
+export class MutationExecutor {
+  private scene!: DashboardScene;
+  private handlers: Map<MutationType, MutationHandler> = new Map();
+  private eventBus = new MutationEventBus();
+  private _currentTransaction: MutationTransactionInternal | null = null;
+
+  constructor() {
+    this.registerDefaultHandlers();
+  }
+
+  /**
+   * Set the dashboard scene to operate on
+   */
+  setScene(scene: DashboardScene): void {
+    this.scene = scene;
+  }
+
+  /**
+   * Subscribe to mutation events
+   */
+  onMutation(listener: MutationEventListener): () => void {
+    return this.eventBus.subscribe(listener);
+  }
+
+  /**
+   * Execute a single mutation
+   */
+  async execute(mutation: Mutation): Promise<MutationResult> {
+    const results = await this.executeBatch([mutation]);
+    return results[0];
+  }
+
+  /**
+   * Execute multiple mutations atomically
+   */
+  async executeBatch(mutations: Mutation[]): Promise<MutationResult[]> {
+    if (!this.scene) {
+      throw new Error('No scene set. Call setScene() first.');
+    }
+
+    // Create transaction
+    const transaction: MutationTransactionInternal = {
+      id: uuidv4(),
+      mutations,
+      status: 'pending',
+      startedAt: Date.now(),
+      changes: [],
+    };
+
+    this._currentTransaction = transaction;
+
+    const results: MutationResult[] = [];
+    const context: MutationContext = { scene: this.scene, transaction };
+
+    try {
+      // Execute each mutation
+      for (const mutation of mutations) {
+        const handler = this.handlers.get(mutation.type);
+        if (!handler) {
+          throw new Error(`No handler registered for mutation type: ${mutation.type}`);
+        }
+
+        const result = await handler(mutation.payload, context);
+        results.push(result);
+
+        if (!result.success) {
+          throw new Error(result.error || `Mutation ${mutation.type} failed`);
+        }
+
+        // Emit success event
+        this.eventBus.emit({
+          type: 'mutation_applied',
+          mutation,
+          result,
+          transaction,
+          timestamp: Date.now(),
+          source: 'assistant',
+        });
+      }
+
+      // Commit transaction
+      transaction.status = 'committed';
+      transaction.completedAt = Date.now();
+
+      // Trigger scene refresh
+      this.scene.forceRender();
+
+      return results;
+    } catch (error) {
+      // Probably need a rollback mechanism here... but skipping this for POC
+      console.error('Mutation batch failed:', error);
+
+      transaction.status = 'rolled_back';
+      transaction.completedAt = Date.now();
+
+      // Emit failure event
+      this.eventBus.emit({
+        type: 'mutation_rolled_back',
+        mutation: mutations[0],
+        result: { success: false, error: String(error), changes: [] },
+        transaction,
+        timestamp: Date.now(),
+        source: 'assistant',
+      });
+
+      // Return error results for remaining mutations
+      const errorMessage = error instanceof Error ? error.message : String(error);
+      while (results.length < mutations.length) {
+        results.push({
+          success: false,
+          error: errorMessage,
+          changes: [],
+        });
+      }
+
+      return results;
+    } finally {
+      this._currentTransaction = null;
+    }
+  }
+
+  /**
+   * Get current transaction (for debugging)
+   */
+  get currentTransaction(): MutationTransactionInternal | null {
+    return this._currentTransaction;
+  }
+
+  // ==========================================================================
+  // Handler Registration
+  // ==========================================================================
+
+  private registerDefaultHandlers(): void {
+    // Panel operations
+    this.registerHandler('ADD_PANEL', handleAddPanel);
+    this.registerHandler('REMOVE_PANEL', handleRemovePanel);
+    this.registerHandler('UPDATE_PANEL', handleUpdatePanel);
+    this.registerHandler('MOVE_PANEL', handleMovePanel);
+    this.registerHandler('DUPLICATE_PANEL', this.notImplemented('DUPLICATE_PANEL'));
+
+    // Variable operations
+    this.registerHandler('ADD_VARIABLE', handleAddVariable);
+    this.registerHandler('REMOVE_VARIABLE', handleRemoveVariable);
+    this.registerHandler('UPDATE_VARIABLE', this.notImplemented('UPDATE_VARIABLE'));
+
+    // Row operations
+    this.registerHandler('ADD_ROW', handleAddRow);
+    this.registerHandler('REMOVE_ROW', this.notImplemented('REMOVE_ROW'));
+    this.registerHandler('COLLAPSE_ROW', this.notImplemented('COLLAPSE_ROW'));
+
+    // Tab operations
+    this.registerHandler('ADD_TAB', this.notImplemented('ADD_TAB'));
+    this.registerHandler('REMOVE_TAB', this.notImplemented('REMOVE_TAB'));
+
+    // Library panel operations
+    this.registerHandler('ADD_LIBRARY_PANEL', this.notImplemented('ADD_LIBRARY_PANEL'));
+    this.registerHandler('UNLINK_LIBRARY_PANEL', this.notImplemented('UNLINK_LIBRARY_PANEL'));
+    this.registerHandler('SAVE_AS_LIBRARY_PANEL', this.notImplemented('SAVE_AS_LIBRARY_PANEL'));
+
+    // Repeat configuration
+    this.registerHandler('CONFIGURE_PANEL_REPEAT', this.notImplemented('CONFIGURE_PANEL_REPEAT'));
+    this.registerHandler('CONFIGURE_ROW_REPEAT', this.notImplemented('CONFIGURE_ROW_REPEAT'));
+
+    // Conditional rendering
+    this.registerHandler('SET_CONDITIONAL_RENDERING', this.notImplemented('SET_CONDITIONAL_RENDERING'));
+
+    // Layout
+    this.registerHandler('CHANGE_LAYOUT_TYPE', this.notImplemented('CHANGE_LAYOUT_TYPE'));
+
+    // Annotation operations
+    this.registerHandler('ADD_ANNOTATION', this.notImplemented('ADD_ANNOTATION'));
+    this.registerHandler('UPDATE_ANNOTATION', this.notImplemented('UPDATE_ANNOTATION'));
+    this.registerHandler('REMOVE_ANNOTATION', this.notImplemented('REMOVE_ANNOTATION'));
+
+    // Link operations
+    this.registerHandler('ADD_DASHBOARD_LINK', this.notImplemented('ADD_DASHBOARD_LINK'));
+    this.registerHandler('REMOVE_DASHBOARD_LINK', this.notImplemented('REMOVE_DASHBOARD_LINK'));
+    this.registerHandler('ADD_PANEL_LINK', this.notImplemented('ADD_PANEL_LINK'));
+    this.registerHandler('ADD_DATA_LINK', this.notImplemented('ADD_DATA_LINK'));
+
+    // Field configuration
+    this.registerHandler('ADD_FIELD_OVERRIDE', this.notImplemented('ADD_FIELD_OVERRIDE'));
+    this.registerHandler('ADD_VALUE_MAPPING', this.notImplemented('ADD_VALUE_MAPPING'));
+    this.registerHandler('ADD_TRANSFORMATION', this.notImplemented('ADD_TRANSFORMATION'));
+
+    // Dashboard settings
+    this.registerHandler('UPDATE_TIME_SETTINGS', handleUpdateTimeSettings);
+    this.registerHandler('UPDATE_DASHBOARD_META', handleUpdateDashboardMeta);
+
+    // Dashboard management (backend operations)
+    this.registerHandler('MOVE_TO_FOLDER', this.notImplemented('MOVE_TO_FOLDER'));
+    this.registerHandler('TOGGLE_FAVORITE', this.notImplemented('TOGGLE_FAVORITE'));
+
+    // Version management (backend operations)
+    this.registerHandler('LIST_VERSIONS', this.notImplemented('LIST_VERSIONS'));
+    this.registerHandler('COMPARE_VERSIONS', this.notImplemented('COMPARE_VERSIONS'));
+    this.registerHandler('RESTORE_VERSION', this.notImplemented('RESTORE_VERSION'));
+
+    // Read-only operations
+    this.registerHandler('GET_DASHBOARD_INFO', handleGetDashboardInfo);
+  }
+
+  /**
+   * Create a stub handler for not-yet-implemented mutations
+   */
+  private notImplemented(mutationType: string): MutationHandler {
+    return async (): Promise<MutationResult> => {
+      return {
+        success: false,
+        changes: [],
+        error: `${mutationType} is not fully implemented in POC`,
+      };
+    };
+  }
+
+  /**
+   * Register a mutation handler
+   */
+  private registerHandler<T extends MutationType>(
+    type: T,
+    handler: (payload: MutationPayloadMap[T], context: MutationContext) => Promise<MutationResult>
+  ): void {
+    // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+    this.handlers.set(type, handler as MutationHandler);
+  }
+}

public/app/features/dashboard-scene/mutation-api/handlers/dashboardHandlers.ts

@@ -0,0 +1,159 @@
+/**
+ * Dashboard settings mutation handlers
+ */
+
+import type { TimeSettingsSpec } from '@grafana/schema/src/schema/dashboard/v2beta1/types.spec.gen';
+
+import { DASHBOARD_MCP_TOOLS } from '../mcpTools';
+import type { MutationResult, MutationChange, UpdateDashboardMetaPayload, AddRowPayload } from '../types';
+
+import type { MutationContext } from './types';
+
+/**
+ * Add a row (stub - not fully implemented)
+ */
+export async function handleAddRow(_payload: AddRowPayload, _context: MutationContext): Promise<MutationResult> {
+  return {
+    success: true,
+    changes: [],
+    warnings: ['Add row is not fully implemented in POC - requires RowsLayout'],
+  };
+}
+
+/**
+ * Update dashboard time settings
+ */
+export async function handleUpdateTimeSettings(
+  payload: Partial<TimeSettingsSpec>,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene, transaction } = context;
+  const { from, to, timezone, autoRefresh } = payload;
+
+  try {
+    const timeRange = scene.state.$timeRange;
+    if (!timeRange) {
+      throw new Error('Dashboard has no time range');
+    }
+
+    const previousState = { ...timeRange.state };
+
+    // Apply updates based on TimeSettingsSpec fields
+    const updates: Record<string, unknown> = {};
+    if (from !== undefined) {
+      updates.from = from;
+    }
+    if (to !== undefined) {
+      updates.to = to;
+    }
+    if (timezone !== undefined) {
+      updates.timeZone = timezone;
+    }
+    if (autoRefresh !== undefined) {
+      // autoRefresh would be applied to the dashboard refresh interval
+      updates.refreshInterval = autoRefresh;
+    }
+
+    timeRange.setState(updates);
+
+    const changes: MutationChange[] = [{ path: '/timeSettings', previousValue: previousState, newValue: updates }];
+    transaction.changes.push(...changes);
+
+    return {
+      success: true,
+      inverseMutation: {
+        type: 'UPDATE_TIME_SETTINGS',
+        // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+        payload: previousState as Partial<TimeSettingsSpec>,
+      },
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}
+
+/**
+ * Update dashboard metadata (title, description, tags, etc.)
+ */
+export async function handleUpdateDashboardMeta(
+  payload: UpdateDashboardMetaPayload,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene, transaction } = context;
+  const { title, description, tags, editable } = payload;
+
+  try {
+    const previousState = {
+      title: scene.state.title,
+      description: scene.state.description,
+      tags: scene.state.tags,
+      editable: scene.state.editable,
+    };
+
+    // Apply updates
+    const updates: Partial<UpdateDashboardMetaPayload> = {};
+    if (title !== undefined) {
+      updates.title = title;
+    }
+    if (description !== undefined) {
+      updates.description = description;
+    }
+    if (tags !== undefined) {
+      updates.tags = tags;
+    }
+    if (editable !== undefined) {
+      updates.editable = editable;
+    }
+
+    scene.setState(updates);
+
+    const changes: MutationChange[] = [{ path: '/meta', previousValue: previousState, newValue: updates }];
+    transaction.changes.push(...changes);
+
+    return {
+      success: true,
+      inverseMutation: {
+        type: 'UPDATE_DASHBOARD_META',
+        payload: previousState,
+      },
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}
+
+/**
+ * Get dashboard info (read-only operation)
+ */
+export async function handleGetDashboardInfo(
+  _payload: Record<string, never>,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene } = context;
+
+  // Return dashboard info in the result's data field
+  const info = {
+    available: true,
+    uid: scene.state.uid,
+    title: scene.state.title,
+    canEdit: scene.canEditDashboard(),
+    isEditing: scene.state.isEditing ?? false,
+    availableTools: DASHBOARD_MCP_TOOLS.map((t) => t.name),
+  };
+
+  return {
+    success: true,
+    changes: [],
+    data: info,
+  };
+}

public/app/features/dashboard-scene/mutation-api/handlers/index.ts

@@ -0,0 +1,27 @@
+/**
+ * Mutation Handlers
+ *
+ * Pure functions that implement dashboard mutations.
+ * Each handler receives a payload and context, and returns a MutationResult.
+ */
+
+// Types
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export type { MutationContext, MutationTransactionInternal, MutationHandler } from './types';
+
+// Panel handlers
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export { handleAddPanel, handleRemovePanel, handleUpdatePanel, handleMovePanel } from './panelHandlers';
+
+// Variable handlers
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export { handleAddVariable, handleRemoveVariable } from './variableHandlers';
+
+// Dashboard handlers
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export {
+  handleAddRow,
+  handleUpdateTimeSettings,
+  handleUpdateDashboardMeta,
+  handleGetDashboardInfo,
+} from './dashboardHandlers';

public/app/features/dashboard-scene/mutation-api/handlers/panelHandlers.ts

@@ -0,0 +1,224 @@
+/**
+ * Panel mutation handlers
+ */
+
+import type { MutationResult, MutationChange, AddPanelPayload, RemovePanelPayload, UpdatePanelPayload } from '../types';
+
+import type { MutationContext } from './types';
+
+/**
+ * Add a new panel to the dashboard
+ */
+export async function handleAddPanel(payload: AddPanelPayload, context: MutationContext): Promise<MutationResult> {
+  const { scene, transaction } = context;
+
+  try {
+    // Extract values with defaults
+    // Top-level fields take precedence, then spec fields, then defaults
+    const title = payload.title ?? payload.spec?.title ?? 'New Panel';
+    // VizConfigKind.group contains the plugin ID
+    const vizType = payload.vizType ?? payload.spec?.vizConfig?.group ?? 'timeseries';
+    const description = payload.description ?? payload.spec?.description ?? '';
+
+    // Position is for future layout placement (not yet implemented)
+    const _position = payload.position;
+    void _position; // Suppress unused variable warning until layout positioning is implemented
+
+    // Generate unique element name
+    const elementName = `panel-${title.toLowerCase().replace(/[^a-z0-9]/g, '-')}-${Date.now()}`;
+
+    // Use scene's addPanel method (simplified for POC)
+    const body = scene.state.body;
+    if (!body) {
+      throw new Error('Dashboard has no body');
+    }
+
+    // For POC: Create a basic panel using VizPanel directly
+    // Real implementation would use proper panel building utilities
+    const { VizPanel } = await import('@grafana/scenes');
+
+    const vizPanel = new VizPanel({
+      title,
+      pluginId: vizType,
+      description,
+      options: {},
+      fieldConfig: { defaults: {}, overrides: [] },
+      key: elementName,
+    });
+
+    // Add panel to scene
+    scene.addPanel(vizPanel);
+
+    const changes: MutationChange[] = [
+      { path: `/elements/${elementName}`, previousValue: undefined, newValue: { title, vizType } },
+    ];
+    transaction.changes.push(...changes);
+
+    return {
+      success: true,
+      inverseMutation: {
+        type: 'REMOVE_PANEL',
+        payload: { elementName },
+      },
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}
+
+/**
+ * Remove a panel from the dashboard
+ */
+export async function handleRemovePanel(
+  payload: RemovePanelPayload,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene, transaction } = context;
+  const { elementName, panelId } = payload;
+
+  try {
+    // Find the panel
+    const body = scene.state.body;
+    if (!body) {
+      throw new Error('Dashboard has no body');
+    }
+
+    // Find panel by element name or ID
+    const { VizPanel } = await import('@grafana/scenes');
+    let panelToRemove: InstanceType<typeof VizPanel> | null = null;
+    let panelState: Record<string, unknown> = {};
+
+    // Search through the scene's panels
+    const panels = body.getVizPanels?.() || [];
+    for (const panel of panels) {
+      const state = panel.state;
+      if (elementName && state.key === elementName) {
+        panelToRemove = panel;
+        panelState = { ...state };
+        break;
+      }
+      // panelId is stored internally, use key for matching
+      if (panelId !== undefined && state.key && String(state.key).includes(String(panelId))) {
+        panelToRemove = panel;
+        panelState = { ...state };
+        break;
+      }
+    }
+
+    if (!panelToRemove) {
+      throw new Error(`Panel not found: ${elementName || panelId}`);
+    }
+
+    // Remove the panel
+    scene.removePanel(panelToRemove);
+
+    const changes: MutationChange[] = [
+      { path: `/elements/${elementName || panelId}`, previousValue: panelState, newValue: undefined },
+    ];
+    transaction.changes.push(...changes);
+
+    return {
+      success: true,
+      inverseMutation: {
+        type: 'REMOVE_PANEL',
+        payload: { elementName: String(panelState.key) },
+      },
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}
+
+/**
+ * Update an existing panel
+ */
+export async function handleUpdatePanel(
+  payload: UpdatePanelPayload,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene, transaction } = context;
+  const { elementName, panelId, updates } = payload;
+
+  try {
+    // Find the panel
+    const body = scene.state.body;
+    if (!body) {
+      throw new Error('Dashboard has no body');
+    }
+
+    const { VizPanel } = await import('@grafana/scenes');
+    const panels = body.getVizPanels?.() || [];
+    let panelToUpdate: InstanceType<typeof VizPanel> | null = null;
+
+    for (const panel of panels) {
+      const state = panel.state;
+      if (elementName && state.key === elementName) {
+        panelToUpdate = panel;
+        break;
+      }
+      // panelId is stored internally, use key for matching
+      if (panelId !== undefined && state.key && String(state.key).includes(String(panelId))) {
+        panelToUpdate = panel;
+        break;
+      }
+    }
+
+    if (!panelToUpdate) {
+      throw new Error(`Panel not found: ${elementName || panelId}`);
+    }
+
+    // Store previous state for rollback
+    const previousState = { ...panelToUpdate.state };
+
+    // Apply updates from PanelSpec
+    if (updates.title !== undefined) {
+      panelToUpdate.setState({ title: updates.title });
+    }
+    if (updates.description !== undefined) {
+      panelToUpdate.setState({ description: updates.description });
+    }
+    // More updates would be handled here based on PanelSpec fields
+
+    const changes: MutationChange[] = [
+      { path: `/elements/${elementName || panelId}`, previousValue: previousState, newValue: updates },
+    ];
+    transaction.changes.push(...changes);
+
+    return {
+      success: true,
+      inverseMutation: {
+        type: 'UPDATE_PANEL',
+        // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+        payload: { elementName, panelId, updates: previousState as UpdatePanelPayload['updates'] },
+      },
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}
+
+/**
+ * Move a panel (stub - not fully implemented)
+ */
+export async function handleMovePanel(): Promise<MutationResult> {
+  return {
+    success: true,
+    changes: [],
+    warnings: ['Move panel is not fully implemented in POC'],
+  };
+}

public/app/features/dashboard-scene/mutation-api/handlers/types.ts

@@ -0,0 +1,29 @@
+/**
+ * Shared types for mutation handlers
+ */
+
+import type { DashboardScene } from '../../scene/DashboardScene';
+import type { MutationResult, MutationChange, MutationType, MutationPayloadMap, MutationTransaction } from '../types';
+
+/**
+ * Context passed to all mutation handlers
+ */
+export interface MutationContext {
+  scene: DashboardScene;
+  transaction: MutationTransactionInternal;
+}
+
+/**
+ * Internal transaction type with mutable changes array
+ */
+export interface MutationTransactionInternal extends MutationTransaction {
+  changes: MutationChange[];
+}
+
+/**
+ * A mutation handler function
+ */
+export type MutationHandler<T extends MutationType = MutationType> = (
+  payload: MutationPayloadMap[T],
+  context: MutationContext
+) => Promise<MutationResult>;

public/app/features/dashboard-scene/mutation-api/handlers/variableHandlers.ts

@@ -0,0 +1,72 @@
+/**
+ * Variable mutation handlers
+ */
+
+import type { MutationResult, MutationChange, AddVariablePayload, RemoveVariablePayload } from '../types';
+
+import type { MutationContext } from './types';
+
+/**
+ * Add a variable (stub - not fully implemented)
+ */
+export async function handleAddVariable(
+  _payload: AddVariablePayload,
+  _context: MutationContext
+): Promise<MutationResult> {
+  // TODO: Variable creation requires access to internal serialization functions
+  // (createSceneVariableFromVariableModel) which are not currently exported.
+  // This needs to be addressed by exporting the function or creating a public API.
+  return {
+    success: true,
+    changes: [],
+    warnings: ['Add variable is not fully implemented in POC - requires exported variable factory'],
+  };
+}
+
+/**
+ * Remove a variable from the dashboard
+ */
+export async function handleRemoveVariable(
+  payload: RemoveVariablePayload,
+  context: MutationContext
+): Promise<MutationResult> {
+  const { scene, transaction } = context;
+  const { name } = payload;
+
+  try {
+    const variables = scene.state.$variables;
+    if (!variables) {
+      throw new Error('Dashboard has no variable set');
+    }
+
+    const variable = variables.getByName(name);
+    if (!variable) {
+      throw new Error(`Variable '${name}' not found`);
+    }
+
+    const previousState = variable.state;
+
+    // Remove variable
+    variables.setState({
+      variables: variables.state.variables.filter((v: { state: { name: string } }) => v.state.name !== name),
+    });
+
+    const changes: MutationChange[] = [
+      { path: `/variables/${name}`, previousValue: previousState, newValue: undefined },
+    ];
+    transaction.changes.push(...changes);
+
+    // inverse mutation would need to reconstruct the VariableKind from SceneVariable state
+    // This is simplified for POC
+    return {
+      success: true,
+      changes,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : String(error),
+      changes: [],
+    };
+  }
+}

public/app/features/dashboard-scene/mutation-api/index.ts

@@ -0,0 +1,76 @@
+/**
+ * Dashboard Mutation API
+ *
+ * This module provides a stable API for programmatic dashboard modifications.
+ * It is designed for use by Grafana Assistant and other tools that need to modify dashboards.
+ *
+ * @example
+ * ```typescript
+ * import { getDashboardMutationAPI } from '@grafana/runtime';
+ *
+ * const api = getDashboardMutationAPI();
+ * if (api && api.canEdit()) {
+ *   // Simple: just title and vizType
+ *   const result = await api.execute({
+ *     type: 'ADD_PANEL',
+ *     payload: { title: 'CPU Usage', vizType: 'timeseries' },
+ *   });
+ *
+ *   // Advanced: with full spec
+ *   const result2 = await api.execute({
+ *     type: 'ADD_PANEL',
+ *     payload: {
+ *       title: 'Memory Usage',
+ *       spec: {
+ *         vizConfig: { kind: 'VizConfig', spec: { pluginId: 'stat' } },
+ *         data: { kind: 'QueryGroup', spec: { queries: [] } },
+ *       },
+ *     },
+ *   });
+ * }
+ * ```
+ */
+
+// Types - intentionally re-exported as public API surface
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export type {
+  // Mutation types
+  MutationType,
+  Mutation,
+  MutationPayloadMap,
+  MutationResult,
+  MutationChange,
+  MutationTransaction,
+  MutationEvent,
+
+  // Payload types (use schema types directly where possible)
+  AddPanelPayload,
+  RemovePanelPayload,
+  UpdatePanelPayload,
+  MovePanelPayload,
+  DuplicatePanelPayload,
+  AddVariablePayload,
+  RemoveVariablePayload,
+  UpdateVariablePayload,
+  AddRowPayload,
+  RemoveRowPayload,
+  CollapseRowPayload,
+  UpdateTimeSettingsPayload,
+  UpdateDashboardMetaPayload,
+
+  // Supporting types
+  LayoutPosition,
+
+  // MCP types
+  MCPToolDefinition,
+  MCPResourceDefinition,
+  MCPPromptDefinition,
+} from './types';
+
+// Mutation Executor
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export { MutationExecutor } from './MutationExecutor';
+
+// MCP Tool Definitions
+// eslint-disable-next-line no-barrel-files/no-barrel-files
+export { DASHBOARD_MCP_TOOLS, DASHBOARD_MCP_RESOURCES, DASHBOARD_MCP_PROMPTS } from './mcpTools';

public/app/features/dashboard-scene/mutation-api/types.ts

@@ -0,0 +1,420 @@
+/**
+ * Dashboard Mutation API - Core Types
+ *
+ * This module defines the types for the MCP-based dashboard mutation API.
+ * It provides a standardized interface for programmatic dashboard modifications.
+ */
+
+/**
+ * Import v2 schema types - these are the source of truth.
+ *
+ * The mutation API uses these types directly to ensure compatibility with the dashboard schema.
+ * No custom payload types are created - we use schema types with Omit for auto-generated fields.
+ */
+import type {
+  // Panel types
+  PanelSpec,
+  DataLink,
+  // Variable types
+  VariableKind,
+  // Layout types
+  GridLayoutItemSpec,
+  RowsLayoutRowSpec,
+  TabsLayoutTabSpec,
+  AutoGridLayoutSpec,
+  RepeatOptions,
+  ConditionalRenderingGroupSpec,
+  // Annotation types
+  AnnotationQuerySpec,
+  // Dashboard types
+  DashboardLink,
+  TimeSettingsSpec,
+  // Field config types
+  DynamicConfigValue,
+  MatcherConfig,
+  ValueMapping,
+  DataTransformerConfig,
+} from '@grafana/schema/src/schema/dashboard/v2beta1/types.spec.gen';
+
+// ============================================================================
+// Mutation Types
+// ============================================================================
+
+export type MutationType =
+  // Panel operations
+  | 'ADD_PANEL'
+  | 'REMOVE_PANEL'
+  | 'UPDATE_PANEL'
+  | 'MOVE_PANEL'
+  | 'DUPLICATE_PANEL'
+  // Variable operations
+  | 'ADD_VARIABLE'
+  | 'REMOVE_VARIABLE'
+  | 'UPDATE_VARIABLE'
+  // Row operations
+  | 'ADD_ROW'
+  | 'REMOVE_ROW'
+  | 'COLLAPSE_ROW'
+  // Tab operations
+  | 'ADD_TAB'
+  | 'REMOVE_TAB'
+  // Library panel operations
+  | 'ADD_LIBRARY_PANEL'
+  | 'UNLINK_LIBRARY_PANEL'
+  | 'SAVE_AS_LIBRARY_PANEL'
+  // Repeat configuration
+  | 'CONFIGURE_PANEL_REPEAT'
+  | 'CONFIGURE_ROW_REPEAT'
+  // Conditional rendering
+  | 'SET_CONDITIONAL_RENDERING'
+  // Layout
+  | 'CHANGE_LAYOUT_TYPE'
+  // Annotation operations
+  | 'ADD_ANNOTATION'
+  | 'UPDATE_ANNOTATION'
+  | 'REMOVE_ANNOTATION'
+  // Link operations
+  | 'ADD_DASHBOARD_LINK'
+  | 'REMOVE_DASHBOARD_LINK'
+  | 'ADD_PANEL_LINK'
+  | 'ADD_DATA_LINK'
+  // Field configuration
+  | 'ADD_FIELD_OVERRIDE'
+  | 'ADD_VALUE_MAPPING'
+  | 'ADD_TRANSFORMATION'
+  // Dashboard settings
+  | 'UPDATE_TIME_SETTINGS'
+  | 'UPDATE_DASHBOARD_META'
+  // Dashboard management (backend)
+  | 'MOVE_TO_FOLDER'
+  | 'TOGGLE_FAVORITE'
+  // Version management (backend)
+  | 'LIST_VERSIONS'
+  | 'COMPARE_VERSIONS'
+  | 'RESTORE_VERSION'
+  // Read-only operations
+  | 'GET_DASHBOARD_INFO';
+
+// ============================================================================
+// Mutation Payloads
+// ============================================================================
+
+/**
+ * Payload for adding a panel.
+ *
+ * Uses Partial<PanelSpec> so callers can provide just the fields they care about.
+ * Missing fields are filled with sensible defaults (title defaults to "New Panel", etc.)
+ * The `id` field is always auto-generated by the system.
+ *
+ * Minimal example: { title: "My Panel" }
+ * Full example: { title: "My Panel", description: "...", vizConfig: {...}, data: {...} }
+ */
+export interface AddPanelPayload {
+  /** Panel title (required for meaningful panels) */
+  title?: string;
+  /** Visualization type shorthand (e.g., "timeseries", "stat", "table") */
+  vizType?: string;
+  /** Panel description */
+  description?: string;
+  /** Full panel spec - for advanced use cases. Fields here override top-level fields. */
+  spec?: Partial<Omit<PanelSpec, 'id'>>;
+  /** Position in the layout */
+  position?: LayoutPosition;
+}
+
+export interface RemovePanelPayload {
+  /** Element name in the elements map */
+  elementName?: string;
+  /** Alternative: Panel ID */
+  panelId?: number;
+}
+
+export interface UpdatePanelPayload {
+  /** Element name or panel ID to update */
+  elementName?: string;
+  panelId?: number;
+  /** Updates to apply - partial PanelSpec (id cannot be changed) */
+  updates: Partial<Omit<PanelSpec, 'id'>>;
+}
+
+export interface MovePanelPayload {
+  /** Element name to move */
+  elementName: string;
+  /** Target position */
+  targetPosition: LayoutPosition;
+}
+
+export interface DuplicatePanelPayload {
+  /** Element name to duplicate */
+  elementName: string;
+  /** New title (optional, defaults to "Copy of {original}") */
+  newTitle?: string;
+}
+
+/**
+ * Payload for adding a variable.
+ * Uses VariableKind from schema directly - the union of all variable types.
+ */
+export interface AddVariablePayload {
+  /** The complete variable definition from v2 schema */
+  variable: VariableKind;
+  /** Position in the variables array (optional, appends if not specified) */
+  position?: number;
+}
+
+export interface RemoveVariablePayload {
+  /** Variable name to remove */
+  name: string;
+}
+
+export interface UpdateVariablePayload {
+  /** Variable name to update */
+  name: string;
+  /** The updated variable definition - replaces the existing one */
+  variable: VariableKind;
+}
+
+/**
+ * Payload for adding a row.
+ * Uses RowsLayoutRowSpec from schema, but layout is optional (created empty).
+ */
+export interface AddRowPayload {
+  /** Row spec - uses schema type. Layout is created empty if not provided. */
+  spec: Omit<RowsLayoutRowSpec, 'layout'> & {
+    layout?: RowsLayoutRowSpec['layout'];
+  };
+  /** Position index (0 = first) */
+  position?: number;
+}
+
+export interface RemoveRowPayload {
+  /** Row title or index to identify the row */
+  rowTitle?: string;
+  rowIndex?: number;
+  /** What to do with panels in the row */
+  panelHandling?: 'delete' | 'moveToRoot';
+}
+
+export interface CollapseRowPayload {
+  /** Row title or index to identify the row */
+  rowTitle?: string;
+  rowIndex?: number;
+  /** Whether to collapse or expand */
+  collapsed: boolean;
+}
+
+/**
+ * Payload for updating time settings.
+ * Uses TimeSettingsSpec from schema.
+ */
+export type UpdateTimeSettingsPayload = Partial<TimeSettingsSpec>;
+
+/**
+ * Payload for updating dashboard metadata.
+ * These are top-level DashboardV2Spec fields.
+ */
+export interface UpdateDashboardMetaPayload {
+  title?: string;
+  description?: string;
+  tags?: string[];
+  editable?: boolean;
+  preload?: boolean;
+  liveNow?: boolean;
+}
+
+// ============================================================================
+// Supporting Types - derived from schema types
+// ============================================================================
+
+/**
+ * Layout position for placing elements.
+ * Combines GridLayoutItemSpec position fields with container targeting.
+ */
+export type LayoutPosition = Pick<GridLayoutItemSpec, 'x' | 'y' | 'width' | 'height' | 'repeat'> & {
+  /** Target row title (for RowsLayout) */
+  targetRow?: string;
+  /** Target tab title (for TabsLayout) */
+  targetTab?: string;
+};
+
+// ============================================================================
+// Mutation Definition
+// ============================================================================
+
+export interface Mutation<T extends MutationType = MutationType> {
+  type: T;
+  payload: MutationPayloadMap[T];
+}
+
+export interface MutationPayloadMap {
+  // Panel operations
+  ADD_PANEL: AddPanelPayload;
+  REMOVE_PANEL: RemovePanelPayload;
+  UPDATE_PANEL: UpdatePanelPayload;
+  MOVE_PANEL: MovePanelPayload;
+  DUPLICATE_PANEL: DuplicatePanelPayload;
+
+  // Variable operations
+  ADD_VARIABLE: AddVariablePayload;
+  REMOVE_VARIABLE: RemoveVariablePayload;
+  UPDATE_VARIABLE: UpdateVariablePayload;
+
+  // Row operations
+  ADD_ROW: AddRowPayload;
+  REMOVE_ROW: RemoveRowPayload;
+  COLLAPSE_ROW: CollapseRowPayload;
+
+  // Tab operations - uses TabsLayoutTabSpec from schema
+  ADD_TAB: {
+    spec: Omit<TabsLayoutTabSpec, 'layout'> & { layout?: TabsLayoutTabSpec['layout'] };
+    position?: number;
+  };
+  REMOVE_TAB: { tabTitle?: string; tabIndex?: number; panelHandling?: 'delete' | 'moveToRoot' };
+
+  // Library panel operations
+  ADD_LIBRARY_PANEL: { libraryPanelUid?: string; libraryPanelName?: string; position?: LayoutPosition };
+  UNLINK_LIBRARY_PANEL: { elementName: string };
+  SAVE_AS_LIBRARY_PANEL: { elementName: string; libraryPanelName: string; folderUid?: string };
+
+  // Repeat configuration - uses RepeatOptions from schema
+  CONFIGURE_PANEL_REPEAT: { elementName: string; repeat: RepeatOptions | null };
+  CONFIGURE_ROW_REPEAT: { rowTitle?: string; rowIndex?: number; repeat: RowsLayoutRowSpec['repeat'] | null };
+
+  // Conditional rendering - uses ConditionalRenderingGroupSpec from schema
+  SET_CONDITIONAL_RENDERING: {
+    elementName: string;
+    conditionalRendering: ConditionalRenderingGroupSpec | null;
+  };
+
+  // Layout - uses AutoGridLayoutSpec for options
+  CHANGE_LAYOUT_TYPE: {
+    layoutType: 'GridLayout' | 'RowsLayout' | 'AutoGridLayout' | 'TabsLayout';
+    options?: Partial<AutoGridLayoutSpec>;
+  };
+
+  // Annotation operations - uses AnnotationQuerySpec from schema
+  ADD_ANNOTATION: Omit<AnnotationQuerySpec, 'query'> & { query?: AnnotationQuerySpec['query'] };
+  UPDATE_ANNOTATION: { name: string; updates: Partial<AnnotationQuerySpec> };
+  REMOVE_ANNOTATION: { name: string };
+
+  // Link operations - uses DashboardLink from schema
+  ADD_DASHBOARD_LINK: DashboardLink;
+  REMOVE_DASHBOARD_LINK: { title?: string; index?: number };
+
+  // Panel link operations - uses DataLink from schema
+  ADD_PANEL_LINK: { elementName: string; link: DataLink };
+  ADD_DATA_LINK: { elementName: string; link: DataLink };
+
+  // Field configuration - uses schema types
+  ADD_FIELD_OVERRIDE: {
+    elementName: string;
+    matcher: MatcherConfig;
+    properties: DynamicConfigValue[];
+  };
+  ADD_VALUE_MAPPING: { elementName: string; mapping: ValueMapping };
+  ADD_TRANSFORMATION: { elementName: string; transformation: Omit<DataTransformerConfig, 'id'> & { id: string } };
+
+  // Dashboard settings
+  UPDATE_TIME_SETTINGS: UpdateTimeSettingsPayload;
+  UPDATE_DASHBOARD_META: UpdateDashboardMetaPayload;
+
+  // Dashboard management (backend)
+  MOVE_TO_FOLDER: { folderUid?: string; folderTitle?: string };
+  TOGGLE_FAVORITE: { favorite: boolean };
+
+  // Version management (backend)
+  LIST_VERSIONS: { limit?: number };
+  COMPARE_VERSIONS: { baseVersion: number; newVersion: number };
+  RESTORE_VERSION: { version: number };
+
+  // Read-only operations (no payload required)
+  GET_DASHBOARD_INFO: Record<string, never>;
+}
+
+// ============================================================================
+// Mutation Result
+// ============================================================================
+
+export interface MutationResult {
+  success: boolean;
+  /** Mutation to apply to undo this change */
+  inverseMutation?: Mutation;
+  /** Changes that were applied */
+  changes: MutationChange[];
+  /** Error message if failed */
+  error?: string;
+  /** Warnings (non-fatal issues) */
+  warnings?: string[];
+  /** Data returned by read-only operations (e.g., GET_DASHBOARD_INFO) */
+  data?: unknown;
+}
+
+export interface MutationChange {
+  path: string;
+  previousValue: unknown;
+  newValue: unknown;
+}
+
+// ============================================================================
+// Transaction
+// ============================================================================
+
+export interface MutationTransaction {
+  id: string;
+  mutations: Mutation[];
+  status: 'pending' | 'committed' | 'rolled_back';
+  startedAt: number;
+  completedAt?: number;
+}
+
+// ============================================================================
+// Event Types
+// ============================================================================
+
+export interface MutationEvent {
+  type: 'mutation_applied' | 'mutation_failed' | 'mutation_rolled_back';
+  mutation: Mutation;
+  result: MutationResult;
+  transaction?: MutationTransaction;
+  timestamp: number;
+  source: 'assistant' | 'ui' | 'api';
+}
+
+// ============================================================================
+// MCP Tool Types
+// ============================================================================
+
+export interface MCPToolDefinition {
+  name: string;
+  description: string;
+  inputSchema: {
+    type: 'object';
+    properties: Record<string, unknown>;
+    required?: string[];
+  };
+  annotations?: {
+    title?: string;
+    readOnlyHint?: boolean;
+    destructiveHint?: boolean;
+    idempotentHint?: boolean;
+    confirmationHint?: boolean;
+  };
+}
+
+export interface MCPResourceDefinition {
+  uri: string;
+  uriTemplate?: boolean;
+  name: string;
+  description: string;
+  mimeType: string;
+}
+
+export interface MCPPromptDefinition {
+  name: string;
+  description: string;
+  arguments: Array<{
+    name: string;
+    description: string;
+    required: boolean;
+  }>;
+}

public/app/features/dashboard-scene/scene/DashboardScene.tsx

@@ -2,7 +2,13 @@ import * as H from 'history';
 
 import { CoreApp, DataQueryRequest, locationUtil, NavIndex, NavModelItem } from '@grafana/data';
 import { t } from '@grafana/i18n';
-import { config, locationService, RefreshEvent } from '@grafana/runtime';
+import {
+  config,
+  locationService,
+  RefreshEvent,
+  setDashboardMutationAPI,
+  type DashboardMutationAPI,
+} from '@grafana/runtime';
 import {
   sceneGraph,
   SceneObject,
@@ -45,6 +51,9 @@ import {
 } from '../../apiserver/types';
 import { DashboardEditPane } from '../edit-pane/DashboardEditPane';
 import { dashboardEditActions } from '../edit-pane/shared';
+import { MutationExecutor } from '../mutation-api/MutationExecutor';
+import { DASHBOARD_MCP_TOOLS } from '../mutation-api/mcpTools';
+import type { Mutation } from '../mutation-api/types';
 import { PanelEditor } from '../panel-edit/PanelEditor';
 import { DashboardSceneChangeTracker } from '../saving/DashboardSceneChangeTracker';
 import { SaveDashboardDrawer } from '../saving/SaveDashboardDrawer';
@@ -93,6 +102,11 @@ import { clearClipboard } from './layouts-shared/paste';
 import { DashboardLayoutManager } from './types/DashboardLayoutManager';
 import { LayoutParent } from './types/LayoutParent';
 
+// Type for window with mutation API (for cross-bundle access with plugins)
+interface WindowWithMutationAPI extends Window {
+  __grafanaDashboardMutationAPI?: DashboardMutationAPI | null;
+}
+
 export const PERSISTED_PROPS = ['title', 'description', 'tags', 'editable', 'graphTooltip', 'links', 'meta', 'preload'];
 export const PANEL_SEARCH_VAR = 'systemPanelFilterVar';
 export const PANELS_PER_ROW_VAR = 'systemDynamicRowSizeVar';
@@ -219,6 +233,9 @@ export class DashboardScene extends SceneObjectBase<DashboardSceneState> impleme
 
     window.__grafanaSceneContext = this;
 
+    // Register Dashboard Mutation API for Grafana Assistant and other tools
+    this._registerMutationAPI();
+
     this._initializePanelSearch();
 
     if (this.state.isEditing) {
@@ -247,6 +264,10 @@ export class DashboardScene extends SceneObjectBase<DashboardSceneState> impleme
     // Deactivation logic
     return () => {
       window.__grafanaSceneContext = prevSceneContext;
+      // Clear mutation API
+      setDashboardMutationAPI(null);
+      // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+      (window as WindowWithMutationAPI).__grafanaDashboardMutationAPI = null;
       clearKeyBindings();
       this._changeTracker.terminate();
       oldDashboardWrapper.destroy();
@@ -254,6 +275,49 @@ export class DashboardScene extends SceneObjectBase<DashboardSceneState> impleme
     };
   }
 
+  /**
+   * Register the Dashboard Mutation API for use by Grafana Assistant and other tools.
+   * This provides a stable interface for programmatic dashboard modifications.
+   *
+   * The API is exposed on window.__grafanaDashboardMutationAPI for cross-bundle access,
+   * since plugins use a different @grafana/runtime bundle.
+   */
+  private _registerMutationAPI() {
+    const dashboard = this;
+    const executor = new MutationExecutor();
+    executor.setScene(this);
+
+    const api: DashboardMutationAPI = {
+      // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+      execute: (mutation) => executor.executeMutation(mutation as Mutation),
+      canEdit: () => dashboard.canEditDashboard(),
+      getDashboardUID: () => dashboard.state.uid,
+      getDashboardTitle: () => dashboard.state.title,
+      isEditing: () => dashboard.state.isEditing ?? false,
+      enterEditMode: () => {
+        if (!dashboard.state.isEditing) {
+          dashboard.onEnterEditMode();
+        }
+      },
+      getTools: () => DASHBOARD_MCP_TOOLS,
+      getDashboardInfo: () => ({
+        available: true,
+        uid: dashboard.state.uid,
+        title: dashboard.state.title,
+        canEdit: dashboard.canEditDashboard(),
+        isEditing: dashboard.state.isEditing ?? false,
+        availableTools: DASHBOARD_MCP_TOOLS.map((t) => t.name),
+      }),
+    };
+
+    // Register via @grafana/runtime for same-bundle access
+    setDashboardMutationAPI(api);
+
+    // Also expose on window for cross-bundle access (plugins use different bundle)
+    // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+    (window as WindowWithMutationAPI).__grafanaDashboardMutationAPI = api;
+  }
+
   private _initializePanelSearch() {
     const systemPanelFilter = sceneGraph.lookupVariable(PANEL_SEARCH_VAR, this)?.getValue();
     if (typeof systemPanelFilter === 'string') {

public/app/features/panel/components/PanelDataErrorView.test.tsx

@@ -2,8 +2,9 @@ import { render, screen } from '@testing-library/react';
 import { defaultsDeep } from 'lodash';
 import { Provider } from 'react-redux';
 
-import { FieldType, getDefaultTimeRange, LoadingState } from '@grafana/data';
-import { PanelDataErrorViewProps } from '@grafana/runtime';
+import { CoreApp, EventBusSrv, FieldType, getDefaultTimeRange, LoadingState } from '@grafana/data';
+import { config, PanelDataErrorViewProps } from '@grafana/runtime';
+import { usePanelContext } from '@grafana/ui';
 import { configureStore } from 'app/store/configureStore';
 
 import { PanelDataErrorView } from './PanelDataErrorView';
@@ -16,7 +17,24 @@ jest.mock('app/features/dashboard/services/DashboardSrv', () => ({
   },
 }));
 
+jest.mock('@grafana/ui', () => ({
+  ...jest.requireActual('@grafana/ui'),
+  usePanelContext: jest.fn(),
+}));
+
+const mockUsePanelContext = jest.mocked(usePanelContext);
+const RUN_QUERY_MESSAGE = 'Run a query to visualize it here or go to all visualizations to add other panel types';
+const panelContextRoot = {
+  app: CoreApp.Dashboard,
+  eventsScope: 'global',
+  eventBus: new EventBusSrv(),
+};
+
 describe('PanelDataErrorView', () => {
+  beforeEach(() => {
+    mockUsePanelContext.mockReturnValue(panelContextRoot);
+  });
+
   it('show No data when there is no data', () => {
     renderWithProps();
 
@@ -70,6 +88,45 @@ describe('PanelDataErrorView', () => {
 
     expect(screen.getByText('Query returned nothing')).toBeInTheDocument();
   });
+
+  it('should show "Run a query..." message when no query is configured and feature toggle is enabled', () => {
+    mockUsePanelContext.mockReturnValue(panelContextRoot);
+
+    const originalFeatureToggle = config.featureToggles.newVizSuggestions;
+    config.featureToggles.newVizSuggestions = true;
+
+    renderWithProps({
+      data: {
+        state: LoadingState.Done,
+        series: [],
+        timeRange: getDefaultTimeRange(),
+      },
+    });
+
+    expect(screen.getByText(RUN_QUERY_MESSAGE)).toBeInTheDocument();
+
+    config.featureToggles.newVizSuggestions = originalFeatureToggle;
+  });
+
+  it('should show "No data" message when feature toggle is disabled even without queries', () => {
+    mockUsePanelContext.mockReturnValue(panelContextRoot);
+
+    const originalFeatureToggle = config.featureToggles.newVizSuggestions;
+    config.featureToggles.newVizSuggestions = false;
+
+    renderWithProps({
+      data: {
+        state: LoadingState.Done,
+        series: [],
+        timeRange: getDefaultTimeRange(),
+      },
+    });
+
+    expect(screen.getByText('No data')).toBeInTheDocument();
+    expect(screen.queryByText(RUN_QUERY_MESSAGE)).not.toBeInTheDocument();
+
+    config.featureToggles.newVizSuggestions = originalFeatureToggle;
+  });
 });
 
 function renderWithProps(overrides?: Partial<PanelDataErrorViewProps>) {

public/app/features/panel/components/PanelDataErrorView.tsx

@@ -5,14 +5,15 @@ import {
   FieldType,
   getPanelDataSummary,
   GrafanaTheme2,
+  PanelData,
   PanelDataSummary,
   PanelPluginVisualizationSuggestion,
 } from '@grafana/data';
 import { selectors } from '@grafana/e2e-selectors';
 import { t, Trans } from '@grafana/i18n';
-import { PanelDataErrorViewProps, locationService } from '@grafana/runtime';
+import { PanelDataErrorViewProps, locationService, config } from '@grafana/runtime';
 import { VizPanel } from '@grafana/scenes';
-import { usePanelContext, useStyles2 } from '@grafana/ui';
+import { Icon, usePanelContext, useStyles2 } from '@grafana/ui';
 import { CardButton } from 'app/core/components/CardButton';
 import { LS_VISUALIZATION_SELECT_TAB_KEY } from 'app/core/constants';
 import store from 'app/core/store';
@@ -24,6 +25,11 @@ import { findVizPanelByKey, getVizPanelKeyForPanelId } from 'app/features/dashbo
 import { useDispatch } from 'app/types/store';
 
 import { changePanelPlugin } from '../state/actions';
+import { hasData } from '../suggestions/utils';
+
+function hasNoQueryConfigured(data: PanelData): boolean {
+  return !data.request?.targets || data.request.targets.length === 0;
+}
 
 export function PanelDataErrorView(props: PanelDataErrorViewProps) {
   const styles = useStyles2(getStyles);
@@ -93,8 +99,14 @@ export function PanelDataErrorView(props: PanelDataErrorViewProps) {
     }
   };
 
+  const noData = !hasData(props.data);
+  const noQueryConfigured = hasNoQueryConfigured(props.data);
+  const showEmptyState =
+    config.featureToggles.newVizSuggestions && context.app === CoreApp.PanelEditor && noQueryConfigured && noData;
+
   return (
     <div className={styles.wrapper}>
+      {showEmptyState && <Icon name="chart-line" size="xxxl" className={styles.emptyStateIcon} />}
       <div className={styles.message} data-testid={selectors.components.Panels.Panel.PanelDataErrorMessage}>
         {message}
       </div>
@@ -131,7 +143,17 @@ function getMessageFor(
     return message;
   }
 
-  if (!data.series || data.series.length === 0 || data.series.every((frame) => frame.length === 0)) {
+  const noData = !hasData(data);
+  const noQueryConfigured = hasNoQueryConfigured(data);
+
+  if (config.featureToggles.newVizSuggestions && noQueryConfigured && noData) {
+    return t(
+      'dashboard.new-panel.empty-state-message',
+      'Run a query to visualize it here or go to all visualizations to add other panel types'
+    );
+  }
+
+  if (noData) {
     return fieldConfig?.defaults.noValue ?? t('panel.panel-data-error-view.no-value.default', 'No data');
   }
 
@@ -176,5 +198,9 @@ const getStyles = (theme: GrafanaTheme2) => {
       width: '100%',
       maxWidth: '600px',
     }),
+    emptyStateIcon: css({
+      color: theme.colors.text.secondary,
+      marginBottom: theme.spacing(2),
+    }),
   };
 };

public/app/plugins/datasource/elasticsearch/components/QueryEditor/EditorTypeSelector.tsx

@@ -1,29 +1,26 @@
 import { SelectableValue } from '@grafana/data';
 import { RadioButtonGroup } from '@grafana/ui';
 
-import { useDispatch } from '../../hooks/useStatelessReducer';
 import { EditorType } from '../../types';
 
-import { useQuery } from './ElasticsearchQueryContext';
-import { changeEditorTypeAndResetQuery } from './state';
-
 const BASE_OPTIONS: Array<SelectableValue<EditorType>> = [
   { value: 'builder', label: 'Builder' },
   { value: 'code', label: 'Code' },
 ];
 
-export const EditorTypeSelector = () => {
-  const query = useQuery();
-  const dispatch = useDispatch();
-
-  // Default to 'builder' if editorType is empty
-  const editorType: EditorType = query.editorType === 'code' ? 'code' : 'builder';
-
-  const onChange = (newEditorType: EditorType) => {
-    dispatch(changeEditorTypeAndResetQuery(newEditorType));
-  };
+interface Props {
+  value: EditorType;
+  onChange: (editorType: EditorType) => void;
+}
 
+export const EditorTypeSelector = ({ value, onChange }: Props) => {
   return (
-    <RadioButtonGroup<EditorType> fullWidth={false} options={BASE_OPTIONS} value={editorType} onChange={onChange} />
+    <RadioButtonGroup<EditorType>
+      data-testid="elasticsearch-editor-type-toggle"
+      size="sm"
+      options={BASE_OPTIONS}
+      value={value}
+      onChange={onChange}
+    />
   );
 };

public/app/plugins/datasource/elasticsearch/components/QueryEditor/RawQueryEditor.tsx

@@ -10,9 +10,13 @@ interface Props {
   onRunQuery: () => void;
 }
 
+// This offset was chosen by testing to match Prometheus behavior
+const EDITOR_HEIGHT_OFFSET = 2;
+
 export function RawQueryEditor({ value, onChange, onRunQuery }: Props) {
   const styles = useStyles2(getStyles);
   const editorRef = useRef<monacoTypes.editor.IStandaloneCodeEditor | null>(null);
+  const containerRef = useRef<HTMLDivElement | null>(null);
 
   const handleEditorDidMount = useCallback(
     (editor: monacoTypes.editor.IStandaloneCodeEditor, monaco: Monaco) => {
@@ -22,6 +26,22 @@ export function RawQueryEditor({ value, onChange, onRunQuery }: Props) {
       editor.addCommand(monaco.KeyMod.CtrlCmd | monaco.KeyCode.Enter, () => {
         onRunQuery();
       });
+
+      // Make the editor resize itself so that the content fits (grows taller when necessary)
+      // this code comes from the Prometheus query editor.
+      // We may wish to consider abstracting it into the grafana/ui repo in the future
+      const updateElementHeight = () => {
+        const containerDiv = containerRef.current;
+        if (containerDiv !== null) {
+          const pixelHeight = editor.getContentHeight();
+          containerDiv.style.height = `${pixelHeight + EDITOR_HEIGHT_OFFSET}px`;
+          const pixelWidth = containerDiv.clientWidth;
+          editor.layout({ width: pixelWidth, height: pixelHeight });
+        }
+      };
+
+      editor.onDidContentSizeChange(updateElementHeight);
+      updateElementHeight();
     },
     [onRunQuery]
   );
@@ -65,7 +85,17 @@ export function RawQueryEditor({ value, onChange, onRunQuery }: Props) {
 
   return (
     <Box>
-      <div className={styles.header}>
+      <div ref={containerRef} className={styles.editorContainer}>
+        <CodeEditor
+          value={value ?? ''}
+          language="json"
+          width="100%"
+          onBlur={handleQueryChange}
+          monacoOptions={monacoOptions}
+          onEditorDidMount={handleEditorDidMount}
+        />
+      </div>
+      <div className={styles.footer}>
         <Stack gap={1}>
           <Button
             size="sm"
@@ -76,20 +106,8 @@ export function RawQueryEditor({ value, onChange, onRunQuery }: Props) {
           >
             Format
           </Button>
-          <Button size="sm" variant="primary" icon="play" onClick={onRunQuery} tooltip="Run query (Ctrl/Cmd+Enter)">
-            Run
-          </Button>
         </Stack>
       </div>
-      <CodeEditor
-        value={value ?? ''}
-        language="json"
-        height={200}
-        width="100%"
-        onBlur={handleQueryChange}
-        monacoOptions={monacoOptions}
-        onEditorDidMount={handleEditorDidMount}
-      />
     </Box>
   );
 }
@@ -100,7 +118,11 @@ const getStyles = (theme: GrafanaTheme2) => ({
     flexDirection: 'column',
     gap: theme.spacing(1),
   }),
-  header: css({
+  editorContainer: css({
+    width: '100%',
+    overflow: 'hidden',
+  }),
+  footer: css({
     display: 'flex',
     justifyContent: 'flex-end',
     padding: theme.spacing(0.5, 0),

public/app/plugins/datasource/elasticsearch/components/QueryEditor/index.tsx

@@ -1,16 +1,16 @@
 import { css } from '@emotion/css';
-import { useEffect, useId, useState } from 'react';
+import { useCallback, useEffect, useId, useState } from 'react';
 import { SemVer } from 'semver';
 
 import { getDefaultTimeRange, GrafanaTheme2, QueryEditorProps } from '@grafana/data';
 import { config } from '@grafana/runtime';
-import { Alert, InlineField, InlineLabel, Input, QueryField, useStyles2 } from '@grafana/ui';
+import { Alert, ConfirmModal, InlineField, InlineLabel, Input, QueryField, useStyles2 } from '@grafana/ui';
 
 import { ElasticsearchDataQuery } from '../../dataquery.gen';
 import { ElasticDatasource } from '../../datasource';
 import { useNextId } from '../../hooks/useNextId';
 import { useDispatch } from '../../hooks/useStatelessReducer';
-import { ElasticsearchOptions } from '../../types';
+import { EditorType, ElasticsearchOptions } from '../../types';
 import { isSupportedVersion, isTimeSeriesQuery, unsupportedVersionMessage } from '../../utils';
 
 import { BucketAggregationsEditor } from './BucketAggregationsEditor';
@@ -20,7 +20,7 @@ import { MetricAggregationsEditor } from './MetricAggregationsEditor';
 import { metricAggregationConfig } from './MetricAggregationsEditor/utils';
 import { QueryTypeSelector } from './QueryTypeSelector';
 import { RawQueryEditor } from './RawQueryEditor';
-import { changeAliasPattern, changeQuery, changeRawDSLQuery } from './state';
+import { changeAliasPattern, changeEditorTypeAndResetQuery, changeQuery, changeRawDSLQuery } from './state';
 
 export type ElasticQueryEditorProps = QueryEditorProps<ElasticDatasource, ElasticsearchDataQuery, ElasticsearchOptions>;
 
@@ -97,31 +97,61 @@ const QueryEditorForm = ({ value, onRunQuery }: Props & { onRunQuery: () => void
   const inputId = useId();
   const styles = useStyles2(getStyles);
 
+  const [switchModalOpen, setSwitchModalOpen] = useState(false);
+  const [pendingEditorType, setPendingEditorType] = useState<EditorType | null>(null);
+
   const isTimeSeries = isTimeSeriesQuery(value);
 
   const isCodeEditor = value.editorType === 'code';
   const rawDSLFeatureEnabled = config.featureToggles.elasticsearchRawDSLQuery;
 
+  // Default to 'builder' if editorType is empty
+  const currentEditorType: EditorType = value.editorType === 'code' ? 'code' : 'builder';
+
   const showBucketAggregationsEditor = value.metrics?.every(
     (metric) => metricAggregationConfig[metric.type].impliedQueryType === 'metrics'
   );
 
+  const onEditorTypeChange = useCallback((newEditorType: EditorType) => {
+    // Show warning modal when switching modes
+    setPendingEditorType(newEditorType);
+    setSwitchModalOpen(true);
+  }, []);
+
+  const confirmEditorTypeChange = useCallback(() => {
+    if (pendingEditorType) {
+      dispatch(changeEditorTypeAndResetQuery(pendingEditorType));
+    }
+    setSwitchModalOpen(false);
+    setPendingEditorType(null);
+  }, [dispatch, pendingEditorType]);
+
+  const cancelEditorTypeChange = useCallback(() => {
+    setSwitchModalOpen(false);
+    setPendingEditorType(null);
+  }, []);
+
   return (
     <>
+      <ConfirmModal
+        isOpen={switchModalOpen}
+        title="Switch editor"
+        body="Switching between editors will reset your query. Are you sure you want to continue?"
+        confirmText="Continue"
+        onConfirm={confirmEditorTypeChange}
+        onDismiss={cancelEditorTypeChange}
+      />
       <div className={styles.root}>
         <InlineLabel width={17}>Query type</InlineLabel>
         <div className={styles.queryItem}>
           <QueryTypeSelector />
         </div>
-      </div>
-      {rawDSLFeatureEnabled && (
-        <div className={styles.root}>
-          <InlineLabel width={17}>Editor type</InlineLabel>
-          <div className={styles.queryItem}>
-            <EditorTypeSelector />
+        {rawDSLFeatureEnabled && (
+          <div style={{ marginLeft: 'auto' }}>
+            <EditorTypeSelector value={currentEditorType} onChange={onEditorTypeChange} />
           </div>
-        </div>
-      )}
+        )}
+      </div>
 
       {isCodeEditor && rawDSLFeatureEnabled && (
         <RawQueryEditor