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Firefox DevTools MCP

io.github.mozilla/firefox-devtools-mcp v0.10.4

Official Registry git dev-tools

Repository

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

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Install connect locally via stdio

Run in your terminal

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

Add to claude_desktop_config.json

{
  "mcpServers": {
    "firefox-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "firefox-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "firefox-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json

{
  "servers": {
    "firefox-devtools-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp"
      ]
    }
  }
}

Add to cline_mcp_settings.json

{
  "mcpServers": {
    "firefox-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mozilla/firefox-devtools-mcp"
      ]
    }
  }
}

Packages

npm @mozilla/firefox-devtools-mcp@0.10.4

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