Model Context Protocol server for Firefox DevTools - enables AI assistants to inspect and control Firefox browser through WebDriver BiDi
Latest release v0.10.6 · 16 Oct 2026
2 files for Codex, OpenCode and Claude Code: firefox-devtools-mcp AGENTS.md, firefox-devtools-mcp CLAUDE.md — 94 tokens loaded in every session.
AGENTS.md A 89 tok CLAUDE.md A 5 tok These files are mozilla/firefox-devtools-mcp's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.