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SIC Codes UK

Official registry Developer tools

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

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http sic-codes-uk 'https://siccodes.co.uk/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sic-codes-uk": {
            "type": "http",
            "url": "https://siccodes.co.uk/api/mcp"
        }
    }
}
NPM package sic-codes-mcp
Claude Code 
claude mcp add sic-codes-uk -- npx -y sic-codes-mcp@1.0.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sic-codes-uk": {
            "command": "npx",
            "args": [
                "-y",
                "sic-codes-mcp@1.0.0"
            ]
        }
    }
}

Frequently asked questions

What is SIC Codes UK?

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

How do I install SIC Codes UK?

It runs as a remote server. In Claude Code: claude mcp add --transport http sic-codes-uk 'https://siccodes.co.uk/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does SIC Codes UK need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is SIC Codes UK open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains SIC Codes UK?

It is published by jackmmaher. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.