OpenRegistry documentation

Sophymarine OpenRegistry provides live and raw company profile, directors, shareholders, financials and filings directly from official government registries around the world via MCP and API.

MCP

Endpoint: https://openregistry.sophymarine.com/mcp
Claude Desktop: Settings → Connectors → Add custom connector → paste the endpoint.
Cursor / Claude Code / Cline: add the endpoint to your MCP config.
Gemini CLI: gemini extensions install https://github.com/sophymarine/openregistry
Sign in when your client asks.

API

Base URL: https://openregistry.sophymarine.com/api/v1
Auth: Authorization: Bearer <token>. Create a token on your account page.
API docs: https://openregistry.sophymarine.com/api/v1/docs

Full documentation

MCP: call the docs tool.
API: GET https://openregistry.sophymarine.com/api/v1/docs

Endpoints

Method	Path	Description
POST	/mcp	MCP server (Streamable HTTP).
GET	/api/v1/docs	Full documentation. Token required.
GET	/api/v1/{resource}	REST API, e.g. `/api/v1/companies`. Token required.
GET · POST	/api/v1/rpc/{tool}	One endpoint per tool. Token required.
GET	/.well-known/mcp.json	MCP discovery.
GET	/.well-known/oauth-protected-resource	OAuth resource metadata (RFC 9728).
GET	/.well-known/oauth-authorization-server	OAuth server metadata (RFC 8414).
GET	/.well-known/jwks.json	Token signing keys.
POST	/oauth/register	Client registration (RFC 7591).
GET	/oauth/authorize	Sign-in and consent.
POST	/oauth/token	Token exchange and refresh.
GET	/login	Email sign-in link.
GET	/account	Account and API tokens.
GET	/privacy · /terms	Policies.