_contributing

This document provides guidelines for creating effective Postgres best practice rules that work well with AI agents and LLMs.

Skills
Databases
2

What it does and how to use it

A skill that teaches Claude Code to do databases tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/contributing && curl -fsSL https://doutorai.pt/data/lib/skills__contributing.md -o .claude/skills/contributing/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# Writing Guidelines for Postgres Rules

This document provides guidelines for creating effective Postgres best
practice rules that work well with AI agents and LLMs.

## Key Principles

### 1. Concrete Transformation Patterns

Show exact SQL rewrites. Avoid philosophical advice.

**Good:** "Use `WHERE id = ANY(ARRAY[...])` instead of
`WHERE id IN (SELECT ...)`" **Bad:** "Design good schemas"

### 2. Error-First Structure

Always show the problematic pattern first, then the solution. This trains agents
to recognize anti-patterns.

```markdown
**Incorrect (sequential queries):** [bad example]



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