mcp_fetch
Fetch website content from any URL to extract and analyze web data for research or integration purposes.
Instructions
Fetches a website and returns its content
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | URL to fetch |
Implementation Reference
- mcp_simple_tool/server.py:8-40 (handler)Core handler function that fetches the website content using httpx, handles various errors, and returns MCP TextContent.
async def fetch_website( url: str, ) -> list[types.TextContent | types.ImageContent | types.EmbeddedResource]: headers = { "User-Agent": "MCP Test Server (github.com/modelcontextprotocol/python-sdk)" } try: timeout = httpx.Timeout(10.0, connect=5.0) async with httpx.AsyncClient( follow_redirects=True, headers=headers, timeout=timeout ) as client: response = await client.get(url) response.raise_for_status() return [types.TextContent(type="text", text=response.text)] except httpx.TimeoutException: return [types.TextContent( type="text", text="Error: Request timed out while trying to fetch the website." )] except httpx.HTTPStatusError as e: return [types.TextContent( type="text", text=(f"Error: HTTP {e.response.status_code} " "error while fetching the website.") )] except Exception as e: return [types.TextContent( type="text", text=f"Error: Failed to fetch website: {str(e)}" )] - mcp_simple_tool/server.py:72-78 (handler)Dispatch logic in the MCP call_tool handler that validates input and invokes the fetch_website for mcp_fetch tool.
if name == "mcp_fetch": if "url" not in arguments: return [types.TextContent( type="text", text="Error: Missing required argument 'url'" )] return await fetch_website(arguments["url"]) - mcp_simple_tool/server.py:98-107 (schema)Input schema definition for the mcp_fetch tool, requiring a 'url' property.
inputSchema={ "type": "object", "required": ["url"], "properties": { "url": { "type": "string", "description": "URL to fetch", } }, }, - mcp_simple_tool/server.py:95-108 (registration)Tool registration in the list_tools handler, defining name, description, and schema for mcp_fetch.
types.Tool( name="mcp_fetch", description="Fetches a website and returns its content", inputSchema={ "type": "object", "required": ["url"], "properties": { "url": { "type": "string", "description": "URL to fetch", } }, }, ),