# ridge.technical.pm > Developer notes for ridge.technical.pm, a small example service used in a web-measurement study of agent discovery files. ## Docs - [API description (OpenAPI)](https://ridge.technical.pm/openapi.json) - [MCP server card](https://ridge.technical.pm/.well-known/mcp-server-card) - [Agent card](https://ridge.technical.pm/.well-known/agent-card.json)