Repository
mozilla/firefox-devtools-mcp agent skills
- skills
- 6
- GitHub stars
- 468
GitHub description: “Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi”
- Stars
- 468 (65 forks)
- Licence
- Unknown
- Last push
- Oct 2026
- Created
- Oct 2025
- claude-code
- firefox
- mcp
- mcp-server
Install all skills
npx skills add mozilla/firefox-devtools-mcpAdd --skill <name> for a single skill and -a <agent> to choose the agent (see the agent guides).
Skills in mozilla/firefox-devtools-mcp, ranked
Ranked by score. Sort bymost stars,trending,newest,recently updated
| # | Skill | Repository | Stars | Used in | Tokens | Auto-check | Licence | Updated |
|---|---|---|---|---|---|---|---|---|
| 1 | Find and fix why a website is slow by capturing and analyzing a Firefox performance profile, or by analyzing a profile the user already has (a saved file or a profiler.firefox.com share link). | mozilla/ | 468 | — | ~1.2k | Automated safety check: Pass | Unknown | yesterday |
| 2 | This skill should be used when the user asks about browser automation, testing web pages, extracting content, filling forms, taking screenshots, or monitoring console/network activity. | mozilla/ | 468 | — | ~807 | Automated safety check: Pass | Unknown | yesterday |
| 3 | Diagnose Firefox DevTools MCP setup issues. An agent skill from mozilla/firefox-devtools-mcp. | mozilla/ | 468 | — | ~672 | Automated safety check: Pass | Unknown | yesterday |
| 4 | 4.Debug Show console errors and failed network requests. An agent skill from mozilla/firefox-devtools-mcp. | mozilla/ | 468 | — | ~241 | Automated safety check: Pass | Unknown | yesterday |
| 5 | 5.Navigate Navigate Firefox to a URL and take a DOM snapshot for interaction | mozilla/ | 468 | — | ~192 | Automated safety check: Pass | Unknown | yesterday |
| 6 | Take a screenshot of a URL or the current page. An agent skill from mozilla/firefox-devtools-mcp. | mozilla/ | 468 | — | ~318 | Automated safety check: Pass | Unknown | yesterday |
Questions, answered from the data.
What is the best skill in mozilla/firefox-devtools-mcp?
Web Performance from mozilla/firefox-devtools-mcp ranks first of the 6 skills in mozilla/firefox-devtools-mcp listed here, with the highest score: its repository has 468 GitHub stars, its SKILL.md loads about 1.2k tokens and it passes the automated safety check with no findings. Next come Browser Automation and Firefox Devtools Diagnose.
Are the skills in mozilla/firefox-devtools-mcp official?
None yet. All 6 skills in mozilla/firefox-devtools-mcp listed here come from community repositories; a skill counts as official when the product's own GitHub organization publishes it.
How do I install all skills from mozilla/firefox-devtools-mcp?
Run npx skills add mozilla/firefox-devtools-mcp in your project: the open-source skills CLI installs the repository's skills into your coding agent's skills folder. To install a single skill, open its page here for the exact command.
How are these skills ranked?
By Skill Navigator score, which combines the GitHub stars of the skill's repository (shared across that repo's skills and discounted for large collections), how many other GitHub owners carry a copy of the skill, and automated SKILL.md quality checks, minus penalties for safety-check warnings and for each further skill from the same repository. Skills that fail the safety check are not listed.