MCP Servers with Pyppeteer

#!/usr/bin/env python3 import asyncio import logging from mcp import ClientSession, StdioServerParameters from mcp.client.stdio import stdio_client # Logging configuration logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s') logger = logging.getLogger(__name__) async def run(): # Configure server parameters for STDIO connection server_params = StdioServerParameters( command="python", args=["puppeteer_mcp_server.py"], env=None ) # Connect to the server async with stdio_client(server_params) as (read, write): async with ClientSession(read, write) as session: # Initialize the connection logger.info("Initializing connection...") await session.initialize() # List available tools tools = await session.list_tools() logger.info(f"Available tools: {tools}") # List available resources resources = await session.list_resources() logger.info(f"Available resources: {resources}") # Navigate to a URL result_navigate = await session.call_tool("pyppeteer_navigation", arguments={"url": "http://selenium.dev"}) logger.info(f"Navigation result: {result_navigate}") try: # Take a screenshot result_screenshot = await session.call_tool("take_screenshot", arguments={"name": "selenium_dev.png"}) logger.info(f"Screenshot result: {result_screenshot}") # Click an element (using a more specific selector) result_click = await session.call_tool("click_element", arguments={"selector": "a", "by": "css"}) logger.info(f"Click result: {result_click}") # Read a resource content, mime_type = await session.read_resource("page://current") logger.info(f"Current page URL: {content} (MIME type: {mime_type})") except Exception as e: logger.error(f"Error during execution: {e}") # Stop the server result_exit = await session.call_tool("exit_server") logger.info(f"Exit result: {result_exit}") if __name__ == "__main__": asyncio.run(run())