Postgres DB Demo showcases four progressively stricter approaches to exposing a PostgreSQL database through MCP tools, from free-form SQL to fully typed annotated tools. Includes evaluation harnesses and agent implementations for measuring tool selection accuracy, developed as a teaching resource for the Posette 2026 conference.
Cognium trust score
63%
Tier
Scanned
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Last scanned 2026-09-01.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.