Agent skill · software engineering · facebook
verify
Use when you want to validate changes before committing, or when you need to check all React contribution requirements.
Why this skill is useful
Adds a specific sequence of commands for verifying React contributions that the AI wouldn't reliably generate on its own.
What it needs
Requires yarn installed locally. About 1k tokens when loaded. Last updated 2026-08-06. 247,076 stars on the source repository.
What this skill does
Verification Run all verification steps. Arguments: $ARGUMENTS: Test pattern for the test step Instructions Run these first in sequence: 1. Run yarn prettier - format code (stop if fails) 2. Run yarn linc - lint changed files (stop if fails) Then run these with subagents in parallel: 1. Use /flow to type check (stop if fails) 2. Use /test to test changes in source (stop if fails) 3. Use /test www to test changes in www (stop if fails) If all pass, show success summary. On failure, stop immediately and report the issue with suggested fixes.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills facebook/verify