Remote Microsoft SQL Server operations via ODBC, exposed as an MCP (Model Context Protocol) server. Connects to any SQL Server instance using per-caller credentials elicited at runtime — passwords live only in server memory with an idle TTL and are never logged. - **Query tools** — `connect` / `disconnect` / `list_sessions` session lifecycle, `execute_sql` with table/JSON/CSV output, and `explain_query` for estimated or actual Showplan XML execution plans