Supabase Postgres Best Practices

Comprehensive performance optimization guide for Postgres, maintained by Supabase. Contains rules across 8 categories, prioritized by impact to guide automated query optimization and schema design.

When to Use

Reference these guidelines when: - Writing SQL queries or designing schemas - Implementing indexes or query optimization - Reviewing database performance issues - Configuring connection pooling or scaling - Optimizing for Postgres-specific features - Working with Row-Level Security (RLS)

Rule Categories by Priority

How to Use

Read individual rule files for detailed explanations and SQL examples:

rules/query-missing-indexes.md
rules/schema-partial-indexes.md
rules/_sections.md

Each rule file contains: - Brief explanation of why it matters - Incorrect SQL example with explanation - Correct SQL example with explanation - Optional EXPLAIN output or metrics - Additional context and references - Supabase-specific notes (when applicable)

Full Compiled Document

For the complete guide with all rules expanded: AGENTS.md

When to Use

This skill is applicable to execute the workflow or actions described in the overview.

Limitations

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.