@supabase

Vitest fast unit testing framework powered by Vite with Jest-compatible API. Use when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.

Testing strategy for Supabase Studio. Use when writing tests, deciding what type of test to write, extracting logic from components into testable utility functions, or reviewing test coverage. Covers unit tests, component tests, and E2E test selection criteria.

PostHog event tracking standards for Supabase Studio. Use when reviewing PRs for telemetry compliance or implementing new event tracking. Covers event naming, property conventions, approved patterns, and implementation guide.

React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.

Run e2e tests in the Studio app. Use when asked to run e2e tests, run studio tests, playwright tests, or test the feature.

Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.