MCP-Server-IETF

Name: MCP-Server-IETF
Author: tizee

@tizee

Repository

About MCP-Server-IETF

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

Basic information

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

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

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.