postgres-mcp-hardenedDatabasesSecurityObservabilityEszetaelAlicense-qualityAmaintenanceA drop-in Model Context Protocol (MCP) server that lets an AI agent query PostgreSQL — read-only, enforced at the database level, with real SQL validation, timeouts, cost limits, OAuth 2.1, and an audit trail. Updated a day ago (2026-08-09 22:53 UTC)MIT