fetch-clean-markdown-mcp

An MCP (Model Context Protocol) server that fetches URLs and returns clean, LLM-optimized Markdown.

Features

• Clean extraction — Strips HTML, scripts, and boilerplate from any public URL
• Security hardened — SSRF protection, redirect validation, prompt injection sanitization, payload size limits
• Edge deployed — Runs on Cloudflare Workers for global low-latency access
• Locally runnable — Can also run via stdio for local MCP client integration

Usage

Configuration for Cline / MCP clients

Add to your cline_mcp_settings.json:

{
  "mcpServers": {
    "fetch-clean-markdown-mcp": {
      "command": "node",
      "args": ["dist/local.js"],
      "env": {}
    }
  }
}

Or use the npm package globally:

{
  "mcpServers": {
    "fetch-clean-markdown-mcp": {
      "command": "npx",
      "args": ["fetch-clean-markdown-mcp"],
      "env": {}
    }
  }
}

Remote (Cloudflare Worker)

https://fetch-clean-markdown-mcp.yourbuttstinks69420.workers.dev

Tool

fetch_clean_markdown

CRITICAL: Use this tool to extract clean, readable text/markdown from any public URL.

Input:

• url (string, required) — The public web URL to fetch

Returns:

• Clean Markdown text with HTML stripped, injection sanitization applied, and size-limited to 512 KB

Local Development

# Install dependencies
npm install

# Build
npm run build

# Run locally
npm start

# Run with hot-reload
npm run start:dev

Deploy to Cloudflare

npx wrangler login
npm run deploy

License

MIT