Toon Fetch MCP Server

Toon Fetch MCP Server

Fetches web page content, converts it to Markdown, and optionally processes it with a local LLM. Returns structured data in TOON format optimized for agent consumption.

Category
Visit Server

README

Toto Fetch MCP Server

An MCP server that fetches URL content, converts it to Markdown, and optionally processes it with a local LLM (LaMini-Flan-T5). Returns data in TOON format.

Features

  • Fetch & Clean: Fetches HTML, extracts main content using @mozilla/readability, and converts to Markdown with turndown.
  • Local AI Processing: Optional local LLM processing using @huggingface/transformers (running Xenova/LaMini-Flan-T5-248M).
  • TOON Output: Returns structured data in Token-Oriented Object Notation, optimized for agent consumption.

Installation

npm install

Build

npm run build

Usage

As an MCP Server

Add to your MCP client configuration (e.g., Claude Desktop config):

{
  "mcpServers": {
    "toon-fetch": {
      "command": "npx",
      "args": ["toon-fetch"]
    }
  }
}

Tool: fetch_url

Arguments:

  • url (string, required): The URL to fetch.
  • prompt (string, optional): Instruction for the local LLM.
    • Example: "Summarize this article"
    • Example: "Extract all dates and events"
    • If omitted, the raw Markdown content is returned.

Output (TOON):

title: Page Title
content: "Markdown content..."
metadata:
  url: "https://example.com"
  excerpt: "..."
  optimized: true

Development

Workflow

  1. Install dependencies: npm install
  2. Run tests: npm test (uses Vitest)
  3. Build: npx tsc
  4. Verify: You can use the src/verify.ts script (requires build first or ts-node).

Testing

Run unit tests:

npx vitest

License

MIT

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