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UK Companies House

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UK Companies House with cleaning - 12 tools for search, profiles, officers, PSCs, filings, and more.

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).

PYPI package bartram-companies-house
Claude Code 
claude mcp add uk-companies-house -e 'COMPANIES_HOUSE_API_KEY=<your companies_house_api_key>' -- uvx bartram-companies-house==0.3.3
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "uk-companies-house": {
            "command": "uvx",
            "args": [
                "bartram-companies-house==0.3.3"
            ],
            "env": {
                "COMPANIES_HOUSE_API_KEY": "<your companies_house_api_key>"
            }
        }
    }
}

Environment variables

  • COMPANIES_HOUSE_API_KEY secret Companies House API key. Optional — a default key is provided for convenience. Set your own for heavy usage or production workloads.

Frequently asked questions

What is UK Companies House?

UK Companies House with cleaning - 12 tools for search, profiles, officers, PSCs, filings, and more.

How do I install UK Companies House?

It runs on your machine. In Claude Code: claude mcp add uk-companies-house -e 'COMPANIES_HOUSE_API_KEY=<your companies_house_api_key>' -- uvx bartram-companies-house==0.3.3. For other clients, paste the JSON configuration from this page into their MCP settings.

Does UK Companies House need an API key?

Yes. It expects COMPANIES_HOUSE_API_KEY, which you set in its configuration.

Is UK Companies House open source?

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

Who maintains UK Companies House?

It is published by RobertAlsop. 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.