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MCP Website Fetcher

by electrocucaracha
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MCP Website Fetcher

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Model Context Protocol (MCP) Website Fetcher is a lightweight MCP server implementation that provides a simple tool for fetching website content. It serves as a demonstration project to show how tools can be exposed and interacted with using the MCP protocol.

Overview

This project exposes an MCP-compatible API endpoint with a tool called fetch that allows clients to retrieve the raw content of a specified URL. It's designed mainly for demo purposes and testing how clients can interact with tools over the MCP protocol.

Related MCP server: web-mcp-server

Running the Server Using Docker

The application is automatically built and pushed to GitHub Container Registry (GHCR) on every push to the main branch.

To run the latest version locally using Docker:

docker run -d -p 8000:8000 ghcr.io/electrocucaracha/mcp-website-fetcher:main

This will start the MCP server and expose it on port 8000.

How to setup a development environment

This project includes Dev Container support, making it easy to get started with a fully configured development environment. This ensures consistency across development setups and allows contributors to begin working without manual environment configuration.

Option 1: GitHub Codespaces

You can launch a cloud-based development environment instantly:

Open in GitHub Codespaces

Option 2: Local Dev Container (Visual Studio Code)

  1. Install Visual Studio Code.

  2. Install the Dev Containers extension.

  3. Ensure you have a container runtime installed and running:

  4. Open this repository in Visual Studio Code.

  5. When prompted, reopen the project in a Dev Container.

Testing Locally

Once the container is running, you can interact with the server using curl to test its capabilities.

Get the List of Tools

To retrieve the list of available tools exposed by the MCP server:

curl -H "Accept: application/json, text/event-stream" \
     -H "Content-Type: application/json" \
     -d '{ "jsonrpc": "2.0", "id": 1, "method": "tools/list"}' \
     http://127.0.0.1:8000/mcp

Fetch the Content of a Website

To fetch the content of https://electrocucaracha.com/:

curl -H "Accept: application/json, text/event-stream" \
     -H "Content-Type: application/json" \
     -d '{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "fetch", "arguments": { "url": "https://electrocucaracha.com/" }}}' \
     http://127.0.0.1:8000/mcp

The server will return the HTML content of the requested URL.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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