Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
One MCP server for PostgreSQL, MySQL, and SQLite. Unified read-only tools (listdatabases, listtables, describetable, runquery) across all three engines with two-layer read-only enforcement (SQL-text guard + DB-level read-only transactions). Install: npx -y mcp-multi-db.
Server implementation for Google BigQuery integration that enables direct BigQuery database access and querying capabilities