NestDaddy

CompanyStack

uk.co.companystack/mcp ยท v0.1.1

UK company data: search, officers, owners, shareholders, filed accounts, new companies, KYB checks.

Connect Remote server

Terminal
claude mcp add --transport http mcp https://api.companystack.co.uk/mcp --header "X-Api-Key: <X_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.companystack.co.uk/mcp",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://api.companystack.co.uk/mcp",
      "headers": {
        "X-Api-Key": "<X_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://api.companystack.co.uk/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server asks for a key before it lists its tools. Connect it with your own key to see them.

Headers

NameDescription
X-Api-Key
Optional, secret
Optional: your CompanyStack API key (starts with cs_). Leave it out to sign in with CompanyStack (OAuth) instead. Create an account free at https://companystack.co.uk/signup?product=api

Details

Endpointhttps://api.companystack.co.uk/mcp (Streamable HTTP)
First published12 Oct 2026
Last updated12 Oct 2026
Registry nameuk.co.companystack/mcp

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