Analyze Firefox performance profiles using the profiler-cli CLI tool. Trigger when given a profiler.firefox.com or share.firefox.dev link, a local profile path, or when the user wants to investigate an issue in a Firefox profile. Always use this skill instead of WebFetch for Firefox profiler URLs; WebFetch only retrieves the profiler UI's HTML shell and cannot access profile data, whereas profiler-cli downloads and parses the actual profile into a local daemon that supports structured queries over stacks, markers, threads, and samples.
Security
1 medium severity finding. This skill can be installed but you should review these findings before use.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
Third-party content exposure detected (high risk: 0.90). The SKILL.md explicitly instructs the agent to load and analyze public profiler URLs (profiler.firefox.com and share.firefox.dev) with `profiler-cli load`, meaning the skill routinely ingests user-uploaded, untrusted profile data from open web links and uses that data to drive analysis and next actions.
31bc07f
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.