@facebook

feature-flags covers managing react feature flags across channels, gating tests conditionally, and debugging flag-specific test failures using @gate pragmas and inline gate() branching.

flags inspects feature flag states across react release channels, enabling comparison and export via command-line options for debugging channel-specific behavior.

fix — an installable skill for AI agents, published by facebook/react.

Use when you want to validate changes before committing, or when you need to check all React contribution requirements.

Use when adding new error messages to React, or seeing "unknown error code" warnings.

Use when you want to validate changes before committing, or when you need to check all React contribution requirements.

Use when you need to run tests for React core. Supports source, www, stable, and experimental channels.

Use when you need to run Flow type checking, or when seeing Flow type errors in React code.