---
title: "PostgreSQL Performance Diagnostics"
description: "Analyzes PostgreSQL query performance using pg_stat_statements, pg_stat_user_tables, and EXPLAIN ANALYZE output. Identifies missing indexes via pg_stat_user_indexes and detects lock contention through pg_locks and pg_stat_activity."
verification: "security_reviewed"
source: "https://www.npmjs.com/package/pg"
category:
  - "Runbooks & Diagnostics"
framework:
  - "MCP"
tool_ecosystem:
  npm_package: "pg"
  npm_weekly_downloads: 23169914
---

# PostgreSQL Performance Diagnostics

Analyzes PostgreSQL query performance using pg_stat_statements, pg_stat_user_tables, and EXPLAIN ANALYZE output. Identifies missing indexes via pg_stat_user_indexes and detects lock contention through pg_locks and pg_stat_activity.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/postgresql-performance-diagnostics/)