The Agent Skills Directory

[EXTERNAL_DOWNLOADS]: The skill uses npx lighthouse to perform performance audits. Lighthouse is an official tool maintained by Google, which is a trusted organization.
[EXTERNAL_DOWNLOADS]: The skill guides the user to install @next/bundle-analyzer. This is an official performance tool from Vercel, which is a trusted organization.
[COMMAND_EXECUTION]: The skill executes shell commands using npx, bun, cat, and jq to run performance audits and process the resulting JSON data. These are standard development workflows for frontend performance diagnostics.
[PROMPT_INJECTION]: The skill processes data from lighthouse.json using jq.
Ingestion points: lighthouse.json (SKILL.md)
Boundary markers: Structural data selection via jq filters
Capability inventory: Subprocess execution for auditing tools (npx, bun) and file system reads (cat)
Sanitization: The skill extracts specific numeric and string values from a structured JSON report generated by a trusted local tool, minimizing the risk of processing malicious instructions.

frontend-performance