Companies House MCP Server

companies-house-mcp

MCP server and CLI for the UK Companies House API. Search, filings, officers, due diligence.

13 17 tools GitHub npm

No known CVEs

MIT license

Actively maintained

Last commit 22d ago

Works with most clients

Transport: stdio, sse, http

17 tools · ~802 tok

Grade B · 0.4% of 200K ctx

MCPpedia last refreshed this data 21h ago

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Companies House MCP Server is an MCP server that MCP server and CLI for the UK Companies House API. Search, filings, officers, due diligence. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 82/100 on MCPpedia's security, maintenance and efficiency rubric.

Legal Finance

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

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

{
  "mcpServers": {
    "io-github-aicayzer-companies-house": {
      "args": [
        "-y",
        "companies-house-mcp"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-aicayzer-companies-house)](https://mcppedia.org/s/io-github-aicayzer-companies-house)

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What Companies House MCP Server does

An unofficial CLI and MCP server for the UK Companies House API. Look up any UK company, check its officers, trace ownership, dig into filings, run a due diligence scan — from your terminal, your scripts, or directly inside Claude, Cursor, or any other AI tool that speaks MCP.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'companies-house-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked companies-house-mcp against OSV.dev.

Inventory

Tools (17)

Click any tool to inspect its schema.

~802 tokens total

Community

Reviews

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Have you used this server?

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Companies House MCP Server safe to use?: Companies House MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install Companies House MCP Server?: Companies House MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Companies House MCP Server do?: Companies House MCP Server provides 17 tools: search_companies, search_officers, get_company_profile, get_officers, get_appointments and 12 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Companies House MCP Server?: Companies House MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Companies House MCP Server actively maintained?: Companies House MCP Server is actively maintained — last commit was 22 days ago. It has 13 GitHub stars.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is Companies House MCP Server safe to use?

Companies House MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install Companies House MCP Server?

Companies House MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Companies House MCP Server do?

Companies House MCP Server provides 17 tools: search_companies, search_officers, get_company_profile, get_officers, get_appointments and 12 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Companies House MCP Server?

Companies House MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Companies House MCP Server actively maintained?

Companies House MCP Server is actively maintained — last commit was 22 days ago. It has 13 GitHub stars.