The Agent Skills Directory

[SAFE]: The skill is primarily educational, providing frameworks for analyzing Core Web Vitals, bundle sizes, and runtime performance.
[COMMAND_EXECUTION]: The script scripts/lighthouse_audit.py uses subprocess.run to execute the Google Lighthouse CLI. It correctly uses a list of arguments rather than a shell string, which mitigates shell injection risks. It also utilizes tempfile for secure temporary data handling and ensures cleanup of the report after processing.
[EXTERNAL_DOWNLOADS]: The skill requires the lighthouse CLI, a well-known open-source tool maintained by Google. The instructions appropriately advise the user to inspect the helper code and run audits only against authorized URLs.

performance-profiling