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mcp/harbor
Verified official

iana registries mcp server MCP

v0.2.0 changelog · 1

io.github.cyanheads/iana-registries-mcp-server

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

transport:streamable-http runtime:npm tools:10
View source

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

iana_lookup_port

iana lookup port

iana_lookup_media_type

iana lookup media type

iana_lookup_http_status

iana lookup http status

iana_lookup_http_field

iana lookup http field

iana_lookup_uri_scheme

iana lookup uri scheme

iana_lookup_pen

iana lookup pen

iana_lookup_language_tag

iana lookup language tag

iana_get_rfc_status

iana get rfc status

iana_search_registries

iana search registries

iana_get_registry_records

iana get registry records

All 10 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.