MCP-Server-IETF

@tizee

About MCP-Server-IETF

A Model Context Protocol server for fetching IETF documents (RFCs) for Large Language Models.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-server-ietf": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "uv",
        "run",
        "mcp-server-ietf"
      ]
    }
  }
}

Tools

No tools detected

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is MCP-Server-IETF?

A Model Context Protocol server that provides access to IETF RFC documents for Large Language Models. It downloads and caches the RFC index and documents, enabling LLMs to retrieve specifications through a standardized interface.

How to use MCP-Server-IETF?

Install from source with pip install -e . and start the server using the command mcp-server-ietf. Alternatively, use it with the MCP inspector via npx @modelcontextprotocol/inspector uv run mcp-server-ietf. Tools include list_docs_number (get total RFC count), get_doc (fetch an RFC by number with line-based pagination), and search_rfc_by_keyword (search by keyword in titles).

Key features of MCP-Server-IETF

Downloads and caches the RFC index and documents.
Search RFCs by keyword in titles.
Access RFC documents with line-based pagination.
Extracts metadata like page numbers from documents.

Use cases of MCP-Server-IETF

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FAQ from MCP-Server-IETF

What are the runtime requirements?

Python 3.11 or higher is required, along with dependencies listed in pyproject.toml.

Where are cached documents stored?

The default cache directory is ~/.cache/ietf-doc-server.

What environment variables are available?

LOG_LEVEL can be set to control logging verbosity (default: "DEBUG").

How do I interact with the server?

After starting the server, three tools are exposed: list_docs_number, get_doc, and search_rfc_by_keyword. Example: get_doc accepts parameters number, start_line, and max_lines.

What license does it use?

MIT License, as stated in the LICENSE file.

Frequently asked questions

What are the runtime requirements?

Python 3.11 or higher is required, along with dependencies listed in `pyproject.toml`.

Where are cached documents stored?

The default cache directory is `~/.cache/ietf-doc-server`.

What environment variables are available?

`LOG_LEVEL` can be set to control logging verbosity (default: `"DEBUG"`).

How do I interact with the server?

After starting the server, three tools are exposed: `list_docs_number`, `get_doc`, and `search_rfc_by_keyword`. Example: `get_doc` accepts parameters `number`, `start_line`, and `max_lines`.

What license does it use?

MIT License, as stated in the `LICENSE` file.

Comments

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