An [MCP](https://modelcontextprotocol.io) server that exposes read-only SQL queries as typed tools. You declare your queries in a YAML file. The server turns each one into an MCP tool with a real argument schema, runs it as a parameterized read against PostgreSQL, and returns the rows as JSON. The intuitive way to let a language model answer questions about your data is to export the data and put it in the prompt. That approach breaks down for three reasons: