SkillMaxx / MCP Servers / @mozilla/firefox-devtools-mcp

@mozilla/firefox-devtools-mcp

Model Context Protocol (MCP) server that lets AI agents browse the web and debug web pages with Firefox

MCP (npm)MCP ServersSource ↗npm ↗

Install

Tested ✓

claude mcp add mcp -- npx -y @mozilla/firefox-devtools-mcp

Tested ✓ on 2026-10-16: installed and loaded in a throwaway sandbox with no credentials.

Log excerpt

Added stdio MCP server lafirefoxdevtoolsmcp with command: npx -y @mozilla/firefox-devtools-mcp to local config
File modified: /home/sbx/.claude.json [project: /home/sbx]
$ verify:
lafirefoxdevtoolsmcp: npx -y @mozilla/firefox-devtools-mcp - ✔ Connected

1 run, latest 2026-10-16

Not yet tested

codex mcp add mcp -- npx -y @mozilla/firefox-devtools-mcp

This command follows Codex's general MCP setup format but hasn't been confirmed for this package. Check its README first.

Tested ✓

~/.cursor/mcp.json → {"mcpServers":{"mcp":{"command":"npx","args":["-y","@mozilla/firefox-devtools-mcp"]}}}

Tested ✓ on 2026-10-16: installed and loaded in a throwaway sandbox with no credentials.

Log excerpt

✓ Enabled and approved MCP server: lafirefoxdevtoolsmcp
$ verify:
lafirefoxdevtoolsmcp: ready
Tools for lafirefoxdevtoolsmcp (35):

1 run, latest 2026-10-16

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