Koskamo

Registrum UK Companies House MCP

A community-hosted MCP server that provides enriched UK Companies House data, including financials, directors, and ownership chains, without requiring users to manage their own API keys or handle raw iXBRL parsing.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Registrum UK Companies House MCP logo, by RegistrumCommunity listingLocal stdioSource reviewed; not executedPublished by Registrum
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 1 GitHub star

What you can do with it

  • Find a company by name and retrieve its company number
  • Get parsed financials like turnover and profit/loss from iXBRL
  • Retrieve Persons with Significant Control (PSC) details
  • Traverse ownership chains to identify ultimate beneficial owners

Source and maintenance

Community listingRegistry 2.1.3MIT
mcp-registry: io.github.RegistrumUK/uk-companies-house-mcp@2.1.3Source repository
Last repository push
Latest release
v2.1.3
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@registrum/mcp 2.1.3

npm
@registrum/mcp package definition
{
  "version": "2.1.3",
  "transport": "stdio",
  "identifier": "@registrum/mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "REGISTRUM_API_KEY",
      "format": "string",
      "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"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "registrum-uk-companies-house-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@registrum/mcp@2.1.3"
      ],
      "env": {
        "REGISTRUM_API_KEY": "<YOUR_REGISTRUM_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "registrum-uk-companies-house-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@registrum/mcp@2.1.3"
      ],
      "env": {
        "REGISTRUM_API_KEY": "<YOUR_REGISTRUM_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "registrum-uk-companies-house-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@registrum/mcp@2.1.3"
      ],
      "env": {
        "REGISTRUM_API_KEY": "<YOUR_REGISTRUM_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "registrum-uk-companies-house-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@registrum/mcp@2.1.3"
      ],
      "env": {
        "REGISTRUM_API_KEY": "<YOUR_REGISTRUM_API_KEY>"
      }
    }
  }
}

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