Firefox DevTools MCP

io.github.mozillav0.10.4Updated Sep 23, 2026

Control and debug Firefox: navigate, fill forms, inspect network and console, profile.

VerifiedSTDIODesktop onlyDeveloper ToolsCloud & Infrastructure

Installation

In SourceWeft

  1. Open Firefox DevTools MCP in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

Tools

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Version history

1
  1. v0.10.4LatestSep 22, 2026