SIC Codes UK MCP Server

by jackmmaher Your server? Claim it

not responding

SIC Codes UK is listed as active in the registry but did not answer our last check. 44 installs a week from npm.

UK SIC code lookup, GICS/ICB mapping, and Companies House search. 731 codes, 5.6M companies.

The linked repository no longer exists on GitHub — it was deleted or made private.

Installs per day peak 24 · avg 7 · -37% w/w

a month agotoday

Uptime history 51 days of history · worst day 0%

51 days agonow

0.0%

Uptime 24h

0 of 91 checks

—

Tools

hidden behind auth

98 ms

Response time

average over 24h

Installs / week

npm and PyPI

SIC Codes UK does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sic-codes --transport http https://siccodes.co.uk/api/mcp

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

{
  "mcpServers": {
    "sic-codes": {
      "url": "https://siccodes.co.uk/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.sic-codes]
url = "https://siccodes.co.uk/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "sic-codes": {
      "url": "https://siccodes.co.uk/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "sic-codes": {
      "url": "https://siccodes.co.uk/api/mcp"
    }
  }
}

Endpoints

URL	Transport	State	Latency	Checked
https://siccodes.co.uk/api/mcp	streamable-http	answering	98 ms	0 min ago

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SIC Codes UK — questions

Answers built from our own checks of this server.

Is SIC Codes UK working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 98 ms. The bar chart above shows every period we have measured.

Is SIC Codes UK still maintained?

The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.

The registry lists SIC Codes UK as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect SIC Codes UK?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does SIC Codes UK need an API key?

No. SIC Codes UK completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.

How many people use SIC Codes UK?

The npm package sic-codes-mcp was installed 44 times in the last week. Week over week that is -37%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.