# Firefox DevTools MCP Moz

> Model Context Protocol (MCP) server for Firefox DevTools automation (moz build with privileged context support)

## Facts
- Page: https://tashan.sh/capability/pkg-mozilla-firefox-devtools-mcp-moz
- tashan id: pkg:@mozilla/firefox-devtools-mcp-moz
- Source: https://github.com/mozilla/firefox-devtools-mcp
- npm: https://www.npmjs.com/package/@mozilla/firefox-devtools-mcp-moz
- Type: npm
- Category: devtools
- tashan score: 72.0 / 100
- Adoption: 40.0
- Upkeep: 93.0
- Freshness: 99.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 771/week
- License: MIT OR Apache-2.0
- Official: no

## Install

```sh
claude mcp add mozilla-firefox-devtools-mcp-moz -- npx -y @mozilla/firefox-devtools-mcp-moz
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: attested
- Declared permission surface: browser

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-08-20 by tashan (https://tashan.sh) from public evidence. Scorer s5.