start_gui
Launch the web interface to manage Claude sessions through your browser, providing visual control over session operations.
Instructions
Start the web GUI for session management and open it in browser
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| port | No | Port to run the web server on (default: 5050) | |
| open_browser | No | Whether to open browser automatically (default: true) |
Implementation Reference
- Core implementation of the 'start_gui' tool: launches a subprocess running the web GUI Flask app via module 'claude_session_manager_mcp.web', handles already-running check, browser opening, error handling, and returns status with URL and PID.
def start_web_gui(port: int = 5050, open_browser: bool = True) -> dict: """Start the web GUI server.""" global _web_server_process # Check if already running if _web_server_process is not None and _web_server_process.poll() is None: url = f"http://localhost:{port}" if open_browser: webbrowser.open(url) return { "success": True, "message": "Web GUI is already running", "url": url, "pid": _web_server_process.pid } try: # Get the package directory package_dir = Path(__file__).parent.parent.parent # Start Flask server as subprocess _web_server_process = subprocess.Popen( [sys.executable, "-m", "claude_session_manager_mcp.web"], cwd=str(package_dir), stdout=subprocess.PIPE, stderr=subprocess.PIPE, start_new_session=True ) # Wait briefly to check if it started successfully import time time.sleep(1) if _web_server_process.poll() is not None: # Process ended, get error _, stderr = _web_server_process.communicate() return { "success": False, "message": f"Failed to start web GUI: {stderr.decode()}" } url = f"http://localhost:{port}" if open_browser: webbrowser.open(url) return { "success": True, "message": "Web GUI started successfully", "url": url, "pid": _web_server_process.pid } except Exception as e: return { "success": False, "message": f"Failed to start web GUI: {str(e)}" } - Input schema definition for the 'start_gui' tool, specifying optional parameters 'port' (integer) and 'open_browser' (boolean).
Tool( name="start_gui", description="Start the web GUI for session management and open it in browser", inputSchema={ "type": "object", "properties": { "port": { "type": "integer", "description": "Port to run the web server on (default: 5050)" }, "open_browser": { "type": "boolean", "description": "Whether to open browser automatically (default: true)" } }, "required": [] } ), - src/claude_session_manager_mcp/server.py:728-732 (registration)Registration and dispatch logic within the MCP @mcp.call_tool() handler that matches tool name 'start_gui', parses arguments, and calls the start_web_gui implementation.
elif name == "start_gui": port = arguments.get("port", 5050) open_browser = arguments.get("open_browser", True) result = start_web_gui(port, open_browser)