Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@mcp-open-corporates look up company Apple Inc."
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
OpenCorporates MCP — Global company registry data (BYO key)
Part of Pipeworx — an MCP gateway connecting AI agents to 1394+ live data sources.
Tool | Description |
| Search global company registries by name across 140+ jurisdictions. Returns company name, jurisdiction, status, type, incorporation date, and registered address. REQUIRES your own OpenCorporates API token via _apiKey — their public API is closed and keyless calls return 401. For keyless global company lookup use gleif search_lei instead. Example: search_companies({query:"Tesla", country:"us", _apiKey:"..."}) |
| Get full details for a specific company by jurisdiction and company number. Returns registration details, officers, filings, and industry codes. REQUIRES your own OpenCorporates API token via _apiKey — their public API is closed and keyless calls return 401. Example: get_company({jurisdiction:"us_de", number:"4483789", _apiKey:"..."}) for a Delaware company. |
| Search company officers and directors by name. Returns officer name, position, company, start/end dates, and nationality. REQUIRES your own OpenCorporates API token via _apiKey — their public API is closed and keyless calls return 401. Example: search_officers({query:"Elon Musk", _apiKey:"..."}) |
Related MCP server: Bizfile MCP
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"open-corporates": {
"url": "https://gateway.pipeworx.io/open-corporates/mcp"
}
}
}Or connect to the full Pipeworx gateway for access to all 1394+ data sources:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}Instead of calling tools directly, you can ask questions in plain English:
ask_pipeworx({ question: "your question about Open Corporates data" })The gateway picks the right tool and fills the arguments automatically.
MIT
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If you are the server author, to access and configure the admin panel.
Free public MCP for AI agents — 193 tools, 44 workflows. No API key.
US public-records intelligence for AI agents — companies, SEC, courts, spending, licenses.
SEC EDGAR for AI agents: company filings, financials and insider trades. No API keys.
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