UK Companies House (Registrum) - no API key

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.RegistrumUK/uk-companies-house-mcp",
  "description": "UK company data: profiles, iXBRL financials, directors, PSC chains, ECCTA. Hosted, no key.",
  "title": "UK Companies House (Registrum) - no API key",
  "repository": {
    "url": "https://github.com/RegistrumUK/uk-companies-house-mcp",
    "source": "github"
  },
  "version": "2.0.15",
  "icons": [
    {
      "src": "https://registrum.co.uk/brand/icon-512.png",
      "mimeType": "image/png",
      "sizes": [
        "512x512"
      ]
    },
    {
      "src": "https://registrum.co.uk/brand/icon-192.png",
      "mimeType": "image/png",
      "sizes": [
        "192x192"
      ]
    },
    {
      "src": "https://registrum.co.uk/brand/app-icon.svg",
      "mimeType": "image/svg+xml",
      "sizes": [
        "any"
      ]
    }
  ],
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@registrum/mcp",
      "version": "2.0.15",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Optional. Without it the server uses the keyless hosted endpoint https://registrum.co.uk/api/mcp, which has daily caps. A free key gives 60 days of full access (every endpoint, no monthly cap, no card), then stays free for light use. Get a free key at https://registrum.co.uk/?utm_source=mcp&utm_campaign=registry",
          "format": "string",
          "isSecret": true,
          "name": "REGISTRUM_API_KEY"
        }
      ]
    }
  ],
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://registrum.co.uk/api/mcp"
    }
  ]
}