Google Jules MCP

Instructions

Implementation Reference

• src/index.ts:177-192 (schema)

  Input schema definition for the jules_send_message tool, specifying parameters taskId and message.
  name: 'jules_send_message', description: 'Send a message/instruction to Jules in an active task', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or URL', }, message: { type: 'string', description: 'Message to send to Jules', }, }, required: ['taskId', 'message'], },
• src/index.ts:370-370 (registration)

  Registration of the jules_send_message tool handler in the CallToolRequestSchema switch statement.
  return await this.sendMessage(args);
• src/index.ts:1388-1416 (handler)

  The core handler function for jules_send_message tool. Navigates to the task page using Playwright, fills the message textarea, presses Enter to send, and returns confirmation.
  private async sendMessage(args: any) { const { taskId, message } = args; const actualTaskId = this.extractTaskId(taskId); const page = await this.getPage(); try { const url = taskId.includes('jules.google.com') ? taskId : `${this.config.baseUrl}/task/${actualTaskId}`; await page.goto(url); await page.waitForLoadState('networkidle'); // Send message await page.locator("div.bottom-bar-container textarea").fill(message); await page.keyboard.press('Enter'); // Wait for response (brief) await page.waitForTimeout(2000); return { content: [ { type: 'text', text: `Message sent to Jules task ${actualTaskId}: "${message}"\n\nJules is processing your request. Check back with jules_get_task to see the response.` } ] }; } catch (error) { throw new Error(`Failed to send message: ${error}`); } }
• src/index.ts:118-358 (registration)

  Tool list registration including jules_send_message in the ListToolsRequestSchema handler.
  this.server.setRequestHandler(ListToolsRequestSchema, async () => { return { tools: [ // === CORE TASK MANAGEMENT === { name: 'jules_create_task', description: 'Create a new task in Google Jules with repository and description', inputSchema: { type: 'object', properties: { description: { type: 'string', description: 'Task description - what you want Jules to do', }, repository: { type: 'string', description: 'GitHub repository in format owner/repo-name', }, branch: { type: 'string', description: 'Git branch to work on (optional, defaults to main)', }, }, required: ['description', 'repository'], }, }, { name: 'jules_get_task', description: 'Get details of a specific Jules task by ID or URL', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or full Jules task URL', }, }, required: ['taskId'], }, }, { name: 'jules_list_tasks', description: 'List all Jules tasks with their status', inputSchema: { type: 'object', properties: { status: { type: 'string', enum: ['all', 'active', 'pending', 'completed', 'paused'], description: 'Filter tasks by status', }, limit: { type: 'number', description: 'Maximum number of tasks to return (default 10)', }, }, }, }, { name: 'jules_send_message', description: 'Send a message/instruction to Jules in an active task', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or URL', }, message: { type: 'string', description: 'Message to send to Jules', }, }, required: ['taskId', 'message'], }, }, { name: 'jules_approve_plan', description: 'Approve Jules execution plan for a task', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or URL', }, }, required: ['taskId'], }, }, { name: 'jules_resume_task', description: 'Resume a paused Jules task', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or URL', }, }, required: ['taskId'], }, }, // === ADVANCED TASK OPERATIONS === { name: 'jules_analyze_code', description: 'Analyze code changes and diff in a Jules task', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Task ID or URL', }, includeSourceCode: { type: 'boolean', description: 'Whether to include full source code content', }, }, required: ['taskId'], }, }, { name: 'jules_bulk_create_tasks', description: 'Create multiple tasks from a list of descriptions and repositories', inputSchema: { type: 'object', properties: { tasks: { type: 'array', items: { type: 'object', properties: { description: { type: 'string' }, repository: { type: 'string' }, branch: { type: 'string' }, }, required: ['description', 'repository'], }, description: 'Array of task objects to create', }, }, required: ['tasks'], }, }, // === SESSION & AUTHENTICATION MANAGEMENT === { name: 'jules_session_info', description: 'Get current session configuration and authentication status', inputSchema: { type: 'object', properties: {}, }, }, { name: 'jules_setup_wizard', description: 'Interactive session setup wizard for automated Google authentication configuration', inputSchema: { type: 'object', properties: { environment: { type: 'string', enum: ['local', 'cloud', 'smithery', 'auto-detect'], description: 'Deployment environment (auto-detect will analyze current setup)', }, preferences: { type: 'object', properties: { priority: { type: 'string', enum: ['ease-of-use', 'reliability', 'portability', 'performance'], description: 'User priority for session management' }, hasChrome: { type: 'boolean', description: 'Whether user has local Chrome browser access' }, cloudDeployment: { type: 'boolean', description: 'Whether deploying to cloud platforms' } } } }, }, }, { name: 'jules_get_cookies', description: 'Extract current browser cookies for session persistence and backup', inputSchema: { type: 'object', properties: { format: { type: 'string', enum: ['json', 'string'], description: 'Output format for cookies (default: json)', }, }, }, }, { name: 'jules_set_cookies', description: 'Set browser cookies from string or JSON for authentication', inputSchema: { type: 'object', properties: { cookies: { type: 'string', description: 'Cookies as JSON string or cookie string format', }, format: { type: 'string', enum: ['json', 'string'], description: 'Format of input cookies (default: json)', }, }, required: ['cookies'], }, }, // === DEBUGGING & UTILITIES === { name: 'jules_screenshot', description: 'Take a screenshot of current Jules page for debugging and verification', inputSchema: { type: 'object', properties: { taskId: { type: 'string', description: 'Optional task ID to navigate to first', }, filename: { type: 'string', description: 'Optional filename for screenshot', }, }, }, }, ], }; });