Iana Registries MCP server
online · 100% uptimeFind IANA ports, MIME types, HTTP codes/fields, URI schemes, PENs, BCP 47 tags, RFCs, any registry.
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If you have run it, two minutes of your experience saves the next person an afternoon.
Iana Registries tools
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How Iana Registries compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 92/100
- higher than 95% of 48,255 servers
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 224 ms
- faster than 60% of 30,031 servers
- GitHub stars
- 1
- more than 65% of 28,688 servers
Release history: 4 versions in the registry since 2026-10-01, latest 2026-11-01, typically one every 14 days.
Install Iana Registries in Claude Code, Cursor or VS Code
claude mcp add --transport http iana-registries-mcp-server https://iana-registries.caseyjhand.com/mcp
What the publisher says
From the Iana Registries repository's README, as published. We do not edit it. Read it on GitHub
@cyanheads/iana-registries-mcp-server Look up IANA ports, media types, HTTP status codes and fields, URI schemes, enterprise numbers, and BCP 47 language tags; check RFC status; search and read any IANA registry via MCP. STDIO or Streamable HTTP. 10 Tools
Overview
Protocol parameters from the IANA registries, and document status from the RFC Editor and the IETF Datatracker. Look up ports, media types, HTTP status codes and fields, URI schemes, Private Enterprise Numbers, and BCP 47 language tags; check whether an RFC is current, obsoleted, or updated, and where an Internet-Draft stands; and search and read any other registry in the IANA protocol index. RFC answers are metadata only: the server never returns RFC text. Runs as a stdio process or a local Streamable HTTP server.
Tools
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Iana Registries: common questions
- Is Iana Registries MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the Iana Registries safety report
- How do I install Iana Registries?
- It runs remotely at iana-registries.caseyjhand.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Iana Registries need an API key?
- No secret keys are declared. It reads 7 settings from the environment.
- Is Iana Registries maintained?
- The last commit was 34 days ago (2026-10-01). The latest release is v0.3.0.
- Is Iana Registries up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- How does Iana Registries compare with other MCP servers?
- safety score 92/100 (higher than 95% of 48,255 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 224 ms (faster than 60% of 30,031 servers). Full comparison.