cyberneticlibrary
← library

Query PostgreSQL Schemas

postgres-mcpskillsetup L2★0
YawLabs/postgres-mcp ↗
What it does

Query and manage PostgreSQL databases

Best for

When agents need direct database access for queries or mutations.

Inputs
  • · SQL query
  • · connection string
  • · schema
  • · data mutations
Outputs
  • · query results
  • · schema metadata
  • · DDL
  • · transaction status
Requires
  • · PostgreSQL
  • · MCP SDK
Preconditions
  • · PostgreSQL connection
  • · valid credentials
  • · database access
Failure modes
  • · connection timeout
  • · invalid SQL
  • · permission denied
  • · deadlock
Trust signals
  • · Open-source PostgreSQL MCP