Record · pg-aiguideMCP serverOpen sourceVerified Sep 23, 2026

pg-aiguide

Version-aware PostgreSQL manual search and best-practice skills that help AI tools write better Postgres code.

Sources and review

Checked against public documentation on September 23, 2026. Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.

Repository and README

Best for

Schema design and query writing where agents tend to skip constraints and indexes or use outdated features.

About pg-aiguide

pg-aiguide, from Timescale (TigerData), helps AI coding tools write better PostgreSQL. It offers semantic search across the official PostgreSQL manual by version, curated best-practice skills that agents apply automatically, and documentation for extensions starting with TimescaleDB. It ships as a public MCP server, as agent skills and as a Claude Code plugin.

pg-aiguide is an open-source project written primarily in Python, with 1.8k stars on GitHub. It was last updated in September 2026.

Add pg-aiguide to your MCP client

A hosted server: point your client at its URL and complete its sign-in there. In Claude Desktop or claude.ai, add it under Settings → Connectors → Add custom connector instead.

Claude CodeRun in your terminal

claude mcp add --transport http pg-aiguide https://mcp.tigerdata.com/docs

Cursor~/.cursor/mcp.json or .cursor/mcp.json

{
  "mcpServers": {
    "pg-aiguide": {
      "url": "https://mcp.tigerdata.com/docs"
    }
  }
}

VS Code.vscode/mcp.json

{
  "servers": {
    "pg-aiguide": {
      "type": "http",
      "url": "https://mcp.tigerdata.com/docs"
    }
  }
}

CodexRun in your terminal

codex mcp add pg-aiguide --url https://mcp.tigerdata.com/docs

Check the project's README for required accounts, keys and permissions before connecting. Setup guide for each client →

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