Agent Skills to help developers using AI agents with Supabase. Agent Skills are folders of instructions, scripts, and resources that agents like Claude Code, Cursor, Github Copilot, etc... can discover and use to do things more accurately and efficiently.

The skills in this repo follow the Agent Skills format.

Installation

npx skills add supabase/agent-skills

Claude Code Plugin

You can also install the skills in this repo as Claude Code plugins

/plugin marketplace add supabase/agent-skills
/plugin install postgres-best-practices@supabase-agent-skills

Available Skills

postgres-best-practices

Postgres performance optimization guidelines from Supabase. Contains rules across 8 categories, prioritized by impact.

Use when:

Writing SQL queries or designing schemas
Implementing indexes or query optimization
Reviewing database performance issues
Configuring connection pooling or scaling
Working with Row-Level Security (RLS)

Categories covered:

Query Performance (Critical)
Connection Management (Critical)
Schema Design (High)
Concurrency & Locking (Medium-High)
Security & RLS (Medium-High)
Data Access Patterns (Medium)
Monitoring & Diagnostics (Low-Medium)
Advanced Features (Low)

postgrest-best-practices

PostgREST API best practices for Supabase. Contains rules across 9 categories covering query syntax, filtering operators, resource embedding, mutations, RPC calls, and performance optimization.

Use when:

Using supabase-js or any Supabase client library
Writing PostgREST or Supabase API queries
Using filtering operators and logical combinations
Implementing resource embedding for related data
Performing mutations (INSERT, UPDATE, DELETE, UPSERT)
Calling stored functions via RPC

Categories covered:

Query Filtering (Critical)
Resource Embedding (Critical)
Column Selection (High)
Data Mutations (High)
Functions/RPC (Medium-High)
Pagination & Ordering (Medium-High)
Response Handling (Medium)
Authentication (Medium)
Performance (Low-Medium)

Usage

Skills are automatically available once installed. The agent will use them when relevant tasks are detected.

Examples:

Optimize this Postgres query

Review my schema for performance issues

Help me add proper indexes to this table

How do I filter by multiple conditions in supabase-js?

Show me how to embed related data in a single query

Skill Structure

Each skill contains:

SKILL.md - Instructions for the agent
AGENTS.md - Compiled rules document (generated)
rules/ - Individual rule files
metadata.json - Version and metadata

License

MIT