browser-use

browser-use is a plugin for Claude Code from MadAppGang/magus. Its manifest loads nothing; the 6 skills, 1 hook it bundles cost 225 tokens per session together, scanned A, original, MIT.

A browser-automation add-on built around Playwright's Chromium browser, with tools for interacting with and inspecting live web pages.

In plain words
What is it for?
Use it to navigate pages, click and type, inspect the page structure, run JavaScript, extract content, take screenshots, and manage tabs.
Why use it?
It lets an agent work with web pages in a separate browser environment and supports tasks such as testing, scraping, and interface debugging.

Plugin for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Good fit Use it to navigate pages, click and type, inspect the page structure, run JavaScript, extract content, take screenshots, and manage tabs.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add MadAppGang/magus
/plugin install browser-use
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/MadAppGang/magus

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for browser-use

README.md
[![agentmods](https://agentmods.dev/badge/plugins/madappgang/magus/browser-use/github.svg)](https://agentmods.dev/plugins/madappgang/magus/browser-use)
Your own site
<a href="https://agentmods.dev/plugins/madappgang/magus/browser-use"><img src="https://agentmods.dev/badge/plugins/madappgang/magus/browser-use/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for browser-use

Your own site · 80×15
<a href="https://agentmods.dev/plugins/madappgang/magus/browser-use"><img src="https://agentmods.dev/badge/plugins/madappgang/magus/browser-use.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 6 skills, 1 hook cost 225 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

browser-use scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/browser-use/.claude-plugin/plugin.json · 145 lines

How it starts

The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.

{
  "name": "browser-use",
  "version": "1.9.1",
  "description": "Full-platform browser automation: live-page JS eval, keyboard and focus primitives, file screenshots, preflight and a configurable agent LLM, on local or cloud browsers. Runs Playwright's own Chromium, never your real Chrome. Adds Magus tools and 6 skills to the upstream Browser Use MCP set.",
  "author": {
    "name": "Jack Rudenko",
    "email": "[email protected]",
    "company": "MadAppGang"
  },
  "license": "MIT",
  "keywords": [
    "browser",
    "automation",
    "scraping",
    "testing",
    "accessibility",
    "browser-use",
    "cdp",
    "dom",
    "vision",
    "cloud",
    "captcha",
    "debugging"
  ],
  "category": "development",
  "mcpServers": "./.mcp.json",
  "skills": [
    "./skills/core-api",
    "./skills/navigation-patterns",
    "./skills/web-scraping",
    "./skills/debug-ui",
    "./skills/hybrid-debugging",
    "./skills/agent-model"
  ],
  "requires": {
    "schema": 1,
    "bin": [
      {
        "name": "bun",
        "check": [
          "bun",
          "--version"
        ],
        "install": [
          {
            "via": "bootstrap",
            "tool": "bun"
          }
        ]
      },
      {
        "name": "uv",
        "check": [
          "uv",
          "--version"
        ],
        "install": [
          {
            "via": "brew",
            "os": [
              "darwin"
            ],
            "formula": "uv"
          },
          {
            "via": "bootstrap",
            "tool": "uv"
          }
        ]
      },
      {
        "name": "browser-use-env",
        "check": [
          "uv",
          "run",
          "--offline",
          "--no-config",
          "--script",
          "${CLAUDE_PLUGIN_ROOT}/scripts/mcp-server.py",
          "--check-env"
        ],
        "install": [
          {
            "via": "uv-script",
            "script": "scripts/mcp-server.py",
            "args": [
              "--check-env"
       

Read the full file on GitHub · 145 lines

Contents

What it installs

The manifest is a name and a version. 6 skills, 1 hook travel with it, and installing the plugin installs all of them — 225 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago Changed · +103 lines 508da0c84f73
  2. 21d ago Changed 9988041b06c7
  3. 23d ago Changed 7ef2d2ec5db1
  4. 29d ago Changed b797998c09ea
  5. 1mo ago Changed ea095c257a1f
  6. 1mo ago First seen · 42 lines scan A fa3bfcdcb3f0

Subscribe to this mod's changes

browser-use is a plugin published in the GitHub repository MadAppGang/magus (13 stars, last pushed 2d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.