{registrylookup}
MCPModel Context Protocol

Use Registry Lookup with AI Assistants

Search 521M+ legal entities directly from Claude, ChatGPT, and other AI assistants. Our MCP server gives AI tools real-time access to company registration data across 309 jurisdictions and 244 countries.

Available Tools

search_companiesSearch legal entities by name, jurisdiction, country, or status
get_companyGet full details for a specific entity by ID
get_company_by_registryLook up an entity by jurisdiction code and registry number
autocomplete_companiesGet company name suggestions as you type
get_jurisdictionsList all available jurisdictions with entity counts
get_statsGet registry statistics (total entities, countries, last update)

Setup for Claude Code

Add the MCP server to your Claude Code configuration. You'll need a free API key — get one here.

Option 1: CLI command

claude mcp add registry-lookup \
  --transport url \
  --url https://registry-lookup.com/mcp/sse \
  --header "Authorization: Bearer vr_live_YOUR_API_KEY"

Option 2: Edit ~/.claude/settings.json

{
  "mcpServers": {
    "registry-lookup": {
      "type": "url",
      "url": "https://registry-lookup.com/mcp/sse",
      "authorization_token": "vr_live_YOUR_API_KEY"
    }
  }
}

Then ask Claude: "Search for Barclays in the UK registry" and it will use the MCP tools automatically.

Setup for Claude App (Cowork)

Connect Registry Lookup as a custom connector in the Claude web app. No configuration files needed — OAuth handles authentication.

  1. 1Go to Customize → Connectors in the Claude app
  2. 2Click the + button and enter the URL: https://registry-lookup.com/mcp/sse
  3. 3Click Connect — you'll be redirected to enter your API key
  4. 4Enter your API key and click Authorize. Done!

Don't have an API key? Get one for free at registry-lookup.com — 5,000 calls/month, no credit card required.

Example Prompts

>Search for all active companies named "Tesla" in the US
>Get the full registry details for Companies House number 01026167
>How many legal entities are registered in Germany?
>Find companies matching "Dataworks Research" in Romania
>What jurisdictions are available in the registry?
>Look up Apple Inc by its registry number in California

Technical Details

Protocol
MCP (Model Context Protocol) with Streamable HTTP + legacy SSE
Endpoint
https://registry-lookup.com/mcp/sse
Auth (Claude Code)
Bearer token via authorization_token
Auth (Claude App)
OAuth 2.1 with PKCE (automatic via connector UI)
Rate Limit
5,000 calls/month (free), unlimited (enterprise)
Data Coverage
521M+ entities, 309 jurisdictions, 244 countries