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MCP-Server-IETF

Source

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

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Overview

MCP-Server-IETF is a Model Context Protocol server designed to fetch IETF documents (RFCs) for Large Language Models, providing a standardized interface for accessing RFC specifications.

To use MCP-Server-IETF, clone the repository, install the necessary dependencies, and start the server. You can then interact with the server using various tools to fetch and search RFC documents.

  • Download and cache RFC index and documents - Search RFCs by keyword in titles - Access RFC documents with pagination support - Extract metadata like page numbers from documents
  1. Enabling Large Language Models to access and utilize IETF RFC specifications.
  2. Assisting developers in retrieving specific RFC documents for reference.
  3. Providing a searchable interface for exploring RFC titles and content.

Add to your AI client

Use these steps to connect MCP-Server-IETF in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-ietf-tizee": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-server-ietf-tizee": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-server-ietf-tizee": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-server-ietf-tizee": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-server-ietf-tizee": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-server-ietf-tizee": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-server-ietf-tizee"
      ]
    }
  }
}

FAQ

What are the requirements to run MCP-Server-IETF?

You need Python 3.11 or higher and the dependencies listed in `pyproject.toml`.

How can I search for RFC documents?

You can use the `search_rfc_by_keyword` tool to find RFCs by keywords in their titles.

Is there a way to get a specific RFC document?

Yes! You can use the `get_doc` tool with the RFC number to retrieve a specific document.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":2290,"uuid":"7cba3eeb-15ce-452f-95b7-6f9e225d503d","name":"mcp-server-ietf","title":"MCP-Server-IETF","description":"A Model Context Protocol server for fetching IETF documents (RFCs) for Large Language Models.","avatar_url":"https://avatars.githubusercontent.com/u/33030965?v=4","created_at":"2025-03-09T07:25:20.589Z","updated_at":"2025-03-12T10:21:16.582Z","status":"created","author_name":"tizee","author_avatar_url":"https://avatars.githubusercontent.com/u/33030965?v=4","tags":"[]","category":"research-and-data","is_featured":false,"sort":1,"url":"https://github.com/tizee/mcp-server-ietf","target":"_self","content":"$29","summary":"$2a","img_url":null,"type":null,"metadata":"{\"star\":\"0\",\"license\":\"MIT license\",\"language\":\"Python\",\"is_official\":false,\"latest_commit_time\":\"2025-03-06 20:24:38\"}","user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]

Research and data