SERVER

@cyanheads/iana-registries-mcp-server

Rank #15,158

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

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

3 versions

1 GitHub stars

by cyanheads (165 servers)View repository ↗

First listed

Oct 1, 2026

Last publish date

Oct 17, 2026

PURPOSE

What you can do with @cyanheads/iana-registries-mcp-server

@cyanheads/iana-registries-mcp-server is a Model Context Protocol (MCP) server published by cyanheads. It ranks #15,158 of 151,203 active servers on MCP Toplist, and its repository has 1 GitHub stars. @cyanheads/iana-registries-mcp-server is listed across 2 registries — Official MCP and Glama, with 3 tracked versions. It was first listed on Oct 1, 2026 and most recently updated on Oct 17, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What @cyanheads/iana-registries-mcp-server can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using @cyanheads/iana-registries-mcp-server

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

MCP Toplist probed the public endpoint on Oct 14, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.

Declared by Glama, last synced Oct 23, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

MCP_LOG_LEVEL · optional
MCP_TRANSPORT_TYPE · optional
MCP_HTTP_HOST · optional
MCP_HTTP_PORT · optional
MCP_HTTP_ENDPOINT_PATH · optional
MCP_AUTH_MODE · optional

Hosted endpoint declared as public.

INSTALLATION AND FIRST TASK

Connect @cyanheads/iana-registries-mcp-server and confirm it works

Remote · HTTP

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

npm package

claude mcp add iana-registries-mcp-server -e "MCP_LOG_LEVEL=<your MCP_LOG_LEVEL>" -- npx -y @cyanheads/iana-registries-mcp-server

Replace each placeholder with your own value before saving.

npm package

claude mcp add iana-registries-mcp-server -e "MCP_TRANSPORT_TYPE=<your MCP_TRANSPORT_TYPE>" -e "MCP_HTTP_HOST=<your MCP_HTTP_HOST>" -e "MCP_HTTP_PORT=<your MCP_HTTP_PORT>" -e "MCP_HTTP_ENDPOINT_PATH=<your MCP_HTTP_ENDPOINT_PATH>" -e "MCP_AUTH_MODE=<your MCP_AUTH_MODE>" -e "MCP_LOG_LEVEL=<your MCP_LOG_LEVEL>" -- npx -y @cyanheads/iana-registries-mcp-server

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.iana-registries-mcp-server]
url = "https://iana-registries.caseyjhand.com/mcp"

Add to ~/.codex/config.toml.

npm package

[mcp_servers.iana-registries-mcp-server]
command = "npx"
args = ["-y", "@cyanheads/iana-registries-mcp-server"]

[mcp_servers.iana-registries-mcp-server.env]
MCP_LOG_LEVEL = "<your MCP_LOG_LEVEL>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

[mcp_servers.iana-registries-mcp-server]
command = "npx"
args = ["-y", "@cyanheads/iana-registries-mcp-server"]

[mcp_servers.iana-registries-mcp-server.env]
MCP_TRANSPORT_TYPE = "<your MCP_TRANSPORT_TYPE>"
MCP_HTTP_HOST = "<your MCP_HTTP_HOST>"
MCP_HTTP_PORT = "<your MCP_HTTP_PORT>"
MCP_HTTP_ENDPOINT_PATH = "<your MCP_HTTP_ENDPOINT_PATH>"
MCP_AUTH_MODE = "<your MCP_AUTH_MODE>"
MCP_LOG_LEVEL = "<your MCP_LOG_LEVEL>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://iana-registries.caseyjhand.com/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_TYPE": "<your MCP_TRANSPORT_TYPE>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "url": "https://iana-registries.caseyjhand.com/mcp"
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_TYPE": "<your MCP_TRANSPORT_TYPE>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "servers": {
    "iana-registries-mcp-server": {
      "type": "http",
      "url": "https://iana-registries.caseyjhand.com/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace.

npm package

{
  "servers": {
    "iana-registries-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "iana-registries-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_TYPE": "<your MCP_TRANSPORT_TYPE>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "serverUrl": "https://iana-registries.caseyjhand.com/mcp"
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_TYPE": "<your MCP_TRANSPORT_TYPE>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "url": "https://iana-registries.caseyjhand.com/mcp"
    }
  }
}

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "iana-registries-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/iana-registries-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_TYPE": "<your MCP_TRANSPORT_TYPE>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by cyanheads

View all cyanheads servers →

No task-specific alternatives are catalogued for @cyanheads/iana-registries-mcp-serveryet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Oct 1, 2026
Latest version published: Oct 17, 2026
Version history: 3 versions tracked (below)
Requirements evidence: MCP Toplist probed the public endpoint on Oct 14, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 23, 2026

Registry sightings

Official MCP ↗listed since Oct 2, 2026 · still listed
Glama ↗listed since Oct 2, 2026 · still listed

Do you maintain @cyanheads/iana-registries-mcp-server? to correct or enrich this profile.

VERSIONS

Available versions (3)

Version	Published
0.2.1	Oct 17, 2026
0.2.0	Oct 2, 2026
0.1.1	Oct 1, 2026

STANDING

#15,158of 151,203 active serversTop 25%

Ranks ahead of 136,045 of 151,203 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.cyanheads%2Fiana-registries-mcp-server.svg)](https://mcptoplist.com/server/io.github.cyanheads%2Fiana-registries-mcp-server)

HTML

<a href="https://mcptoplist.com/server/io.github.cyanheads%2Fiana-registries-mcp-server"><img src="https://mcptoplist.com/badge/io.github.cyanheads%2Fiana-registries-mcp-server.svg" alt="MCP Toplist: Top 25% of 151,203" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains @cyanheads/iana-registries-mcp-server?: @cyanheads/iana-registries-mcp-server is maintained by cyanheads, which publishes 165 MCP servers (2813 total versions) tracked on MCP Toplist.
Is @cyanheads/iana-registries-mcp-server listed on the Official MCP Registry?: Yes — @cyanheads/iana-registries-mcp-server is listed on the Official MCP Registry, alongside Glama.
How many versions does @cyanheads/iana-registries-mcp-server have?: MCP Toplist tracks 3 versions of @cyanheads/iana-registries-mcp-server, most recently published on Oct 17, 2026.
Where can I find the source code for @cyanheads/iana-registries-mcp-server?: The source code for @cyanheads/iana-registries-mcp-server is hosted at github.com/cyanheads/iana-registries-mcp-server.

Used in projects

Do you run this server?

Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.

EXPLORE

All MCP Servers Official MCP Servers GitHub MCP Servers Best MCP Servers Most Active MCP Servers New MCP Servers Best New MCP Servers