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agent-browser
82 / 100 · Low risk
Fine to try. Some of what it can do is expected: a security skill usually runs scanners and checks websites.
By dreadnode/capabilities (GitHub) · security · 22 stars · scanned at commit 3ceeb34
Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "login to a site", "automate browser actions", or any task requiring programmatic web interaction.
Works with any agent that supports SKILL.md skills.
What this skill can do
Downloads and installs other software
The author does not mention this.
Found in 2 places.
Runs commands on your computer
This is disclosed by the author in the skill's SKILL.md or README. Expected for a security skill.
Found in 24 places.
Show 17 more
- capabilities/web-security/skills/agent-browser/SKILL.md, line 118
agent-browser open https://example.com/products - capabilities/web-security/skills/agent-browser/SKILL.md, line 131
agent-browser --session site1 open https://site-a.com - capabilities/web-security/skills/agent-browser/SKILL.md, line 144
agent-browser --auto-connect open https://example.com - capabilities/web-security/skills/agent-browser/SKILL.md, line 154
agent-browser --color-scheme dark open https://example.com # Flag - capabilities/web-security/skills/agent-browser/SKILL.md, line 162
agent-browser set viewport 1920 1080 # Desktop - capabilities/web-security/skills/agent-browser/SKILL.md, line 171
agent-browser --headed open https://example.com - capabilities/web-security/skills/agent-browser/SKILL.md, line 185
agent-browser --allow-file-access open file:///path/to/document.pdf - capabilities/web-security/skills/agent-browser/SKILL.md, line 193
agent-browser -p ios --device "iPhone 16 Pro" open https://example.com - capabilities/web-security/skills/agent-browser/SKILL.md, line 209
export AGENT_BROWSER_CONTENT_BOUNDARIES=1 - capabilities/web-security/skills/agent-browser/SKILL.md, line 222
export AGENT_BROWSER_ALLOWED_DOMAINS="example.com,*.example.com" - capabilities/web-security/skills/agent-browser/SKILL.md, line 232
export AGENT_BROWSER_ACTION_POLICY=./policy.json - capabilities/web-security/skills/agent-browser/SKILL.md, line 248
export AGENT_BROWSER_MAX_OUTPUT=50000 - capabilities/web-security/skills/agent-browser/SKILL.md, line 257
agent-browser snapshot -i # Take baseline snapshot - capabilities/web-security/skills/agent-browser/SKILL.md, line 266
agent-browser screenshot baseline.png - capabilities/web-security/skills/agent-browser/SKILL.md, line 281
agent-browser wait --load networkidle # Best for slow pages - capabilities/web-security/skills/agent-browser/SKILL.md, line 293
agent-browser --session agent1 open site-a.com - capabilities/web-security/skills/agent-browser/SKILL.md, line 312
agent-browser click @e5 # Navigates to new page
and 4 more places
Install
Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.
if [ -e ~/.agents/skills/'agent-browser' ] || [ -L ~/.agents/skills/'agent-browser' ]; then echo 'A skill folder named agent-browser already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/dreadnode/capabilities' "$d" && git -C "$d" checkout --quiet '3ceeb34c0c33dc36738cf0d4ec86e38b53d98216' -- 'capabilities/web-security/skills/agent-browser' && mkdir -p ~/.agents/skills && cp -R "$d"/'capabilities/web-security/skills/agent-browser' ~/.agents/skills/'agent-browser' && rm -rf "$d"; fi
Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'agent-browser' ~/.claude/skills/'agent-browser' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.
Badge for your README
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[](https://zalavijaysinh.github.io/skilltrust/repos/dreadnode/capabilities/)
Score history
| Date | Version | Score |
|---|
| 2026-11-11 | 3ceeb34 | 82 |