companies-house-mcp

Item: companies-house-mcp
Rating: 74
Author: M8ven

Production-grade MCP server for the UK Companies House API, enabling AI assistants to search companies, get profiles, list officers, filings, and PSCs.

→ AntonGMorris/companies-house-mcp · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 1 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: CH_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 critical1 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@2.1.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@2.1.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretCH_API_KEY— "": "your-key-here"

configCH_CACHE_MAX_ENTRIES— 1000 Max cache size before LRU eviction.

configCH_CACHE_TTL_SECONDS— 300 Cache entry TTL.

configCH_RATE_LIMIT_MAX— 600 Max requests per window.

configCH_RATE_LIMIT_WINDOW_SECONDS— 300 Rolling window in seconds.

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/antongmorris-companies-house-mcp-1g7pvj)](https://m8ven.ai/mcp/antongmorris-companies-house-mcp-1g7pvj)

commit: 3200bc661fb7c50f2b781bd61f194e107db0e728

code hash: 0b21875340286632cf67765a06f06f0c0df3830589d7231cdbcebf0a7e971b46

verified: 7/21/2026, 8:55:27 AM

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