The answer
@padenot/firefox-devtools-mcp
Top verified match: it matches your intent.
fresh · published 14d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 51/1001,814 monthly downloads
claude mcp add firefox-devtools-mcp -- npx -y @padenot/firefox-devtools-mcp
Runners-up
- @mozilla/firefox-devtools-mcp-moz60/100 · higher verification score, weaker intent match
- mcp-firefoxnot yet verified8/100 · weaker match