Agent skill · software engineering · facebook
extract-errors
Use when adding new error messages to React, or seeing "unknown error code" warnings.
Why this skill is useful
Codifies a specific procedure for extracting and managing error codes in a React application, which the AI could infer but now doesn't have to guess.
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
Extract Error Codes Instructions 1. Run yarn extract-errors 2. Report if any new errors need codes assigned 3. Check if error codes are up to date
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills facebook/extract-errors