{"task":"postgres","recommendations":[{"rank":1,"slug":"io-github-contextflo-postgres-mcp","name":"io.github.contextflo/postgres-mcp","title":"Postgres (read-only)","description":"Read-only Postgres: drop-in for the archived server-postgres, with schema context.","category":"database","qualityScore":89,"reasoning":"Matches \"postgres\" in database-category server.","installs":{"npm":"@contextflo/postgres-mcp"},"url":"https://mcpindex.ai/server/io-github-contextflo-postgres-mcp"},{"rank":2,"slug":"ai-kaiv-postgres","name":"ai.kaiv/postgres","title":"Kaiva Postgres MCP","description":"Read-only PostgreSQL MCP server. Drop-in replacement for the archived server-postgres.","category":"database","qualityScore":85,"reasoning":"Matches \"postgres\" in database-category server.","installs":{"npm":"@kaiva/postgres-mcp"},"url":"https://mcpindex.ai/server/ai-kaiv-postgres"},{"rank":3,"slug":"io-github-yawlabs-postgres-mcp","name":"io.github.YawLabs/postgres-mcp","title":"PostgreSQL MCP Server","description":"PostgreSQL MCP server - query, schema introspection, explain, and health checks for AI assistants","category":"database","qualityScore":90,"reasoning":"Matches \"postgres\" in database-category server.","installs":{"npm":"@yawlabs/postgres-mcp"},"url":"https://mcpindex.ai/server/io-github-yawlabs-postgres-mcp"}],"provenance":{"source":"mcpindex.ai","basis":"Relevance-dominant keyword match over registry title/description, with the MCP Quality Score as a small tiebreak. A rank is not a safety verdict.","limits":["conformance_monitored_not_enforced","calibrated_false_v1","advisory_deployment","quality_score_measures_packaging_not_safety","ranking_is_not_a_verdict"],"anchor":{"chain_root":"sha256:ae433ecbe1dc646810dd74d9068b39790d13e1df61ffd181dc651c126847aca9","stamped_at":"2026-11-13T04:20:28.603688Z","bitcoin_block":975658,"proof":"https://mcpindex.ai/anchors/ae433ecbe1dc646810dd74d9068b39790d13e1df61ffd181dc651c126847aca9.ots","verify":"https://mcpindex.ai/trust#anchor"},"docs":"https://mcpindex.ai/methodology"},"note":"Relevance-dominant keyword match over registry title/description, with the MCP Quality Score as a small tiebreak. A rank is not a safety verdict."}