How do I install iana-registries-mcp-server?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is iana-registries-mcp-server official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 42 (Fair). The formula is published on the methodology page.

MCPpedia

iana-registries-mcp-server MCP Server | MCPpedia

iana-registries-mcp-server MCP Server

Name: iana-registries-mcp-server MCP Server
Author: cyanheads

Find IANA ports, MIME types, HTTP codes/fields, URI schemes, PENs, BCP 47 tags, RFCs, any registry.

Tools Versions Alternatives

RegistryRemotecyanheads

42Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cyanheads-iana-registries-mcp-server": {
      "command": "node",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server@0.2.0"
      ],
      "env": {
        "MCP_LOG_LEVEL": "info"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
MCP_LOG_LEVEL	No	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
MCP_HTTP_HOST	No	The hostname for the HTTP server.
MCP_HTTP_PORT	No	The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH	No	The endpoint path for the MCP server.
MCP_AUTH_MODE	No	Authentication mode to use: 'none', 'jwt', or 'oauth'.
MCP_LOG_LEVEL	No	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').

iana-registries-mcp-server MCP Server

Install

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