---
title: "PostgreSQL Query Plan Diagnostics"
description: "Analyzes PostgreSQL query execution plans using EXPLAIN (ANALYZE, BUFFERS, FORMAT JSON) and the pg_stat_statements extension. Identifies sequential scans, nested loop inefficiencies, and index recommendations for slow queries."
verification: "security_reviewed"
source: "https://www.npmjs.com/package/pg"
category:
  - "Runbooks & Diagnostics"
framework:
  - "Claude Code"
tool_ecosystem:
  npm_package: "pg"
  npm_weekly_downloads: 23169914
---

# PostgreSQL Query Plan Diagnostics

Analyzes PostgreSQL query execution plans using EXPLAIN (ANALYZE, BUFFERS, FORMAT JSON) and the pg_stat_statements extension. Identifies sequential scans, nested loop inefficiencies, and index recommendations for slow queries.

## 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-query-plan-diagnostics-wave48/)