Companies House MCP Server
by aicayzerio.github.aicayzer/companies-housev4.0.1
UK Companies House public register: search companies, officers, ownership, filings and documents.
context tax
queued
security
queued
cold start
queued
freshness
Active10d ago
Install Companies House MCP server
Install in Claude Code
claude mcp add companies-house -- npx -y companies-house-mcpInstall in Cursor
{
"mcpServers": {
"companies-house": {
"command": "npx",
"args": [
"-y",
"companies-house-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"companies-house": {
"command": "npx",
"args": [
"-y",
"companies-house-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"companies-house": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"companies-house-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"companies-house": {
"command": "npx",
"args": [
"-y",
"companies-house-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| COMPANIES_HOUSE_API_KEY | — | — | Your own API key from developer.company-information.service.gov.uk — free to register |
Freshness
Active — last maintenance signal 10d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-30 · 10d ago · GitHub
Latest release
2026-09-30 · 10d ago · GitHub · v4.0.1
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v4.0.1
FAQ
›How do I install the Companies House MCP server in Claude Code?
Run: claude mcp add companies-house -- npx -y companies-house-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Companies House require an API key?
No required environment variables are declared in its published metadata.
›Can I use Companies House as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Companies House in the official MCP registry?
Yes, as io.github.aicayzer/companies-house.