Local + RemoteFree

Iana Registries MCP server

cyanheads/iana-registries-mcp-server

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

1 GitHub stars
Source code

Install Iana Registries in Claude Code

Remote URL

Claude Code
claude mcp add --transport http iana-registries https://iana-registries.caseyjhand.com/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "iana-registries": {
      "url": "https://iana-registries.caseyjhand.com/mcp"
    }
  }
}

npm

Claude Code
claude mcp add iana-registries -- npx -y @cyanheads/iana-registries-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "iana-registries": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ]
    }
  }
}

Frequently asked questions

What does the Iana Registries MCP server do?

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

Is the Iana Registries MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Iana Registries run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Iana Registries to Claude Code?

Run: claude mcp add --transport http iana-registries https://iana-registries.caseyjhand.com/mcp

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