Agent skill
web-browser
Allows to interact with web pages by performing actions such as clicking buttons, filling out forms, and navigating links. It works by remote controlling Google Chrome or Chromium browsers using the Chrome DevTools Protocol (CDP). When Claude needs to browse the web, it can use this skill to do so.
Install this agent skill to your Project
npx add-skill https://github.com/mitsuhiko/agent-stuff/tree/main/skills/web-browser
SKILL.md
Web Browser Skill
Minimal CDP tools for collaborative site exploration.
Start Chrome
./scripts/start.js # Fresh profile
./scripts/start.js --profile # Copy your profile (cookies, logins)
Start Chrome on :9222 with remote debugging.
If Chrome is installed in a non-standard location, set:
BROWSER_BIN=/path/to/chrome ./scripts/start.js
Navigate
./scripts/nav.js https://example.com
./scripts/nav.js https://example.com --new
Navigate current tab or open new tab.
Evaluate JavaScript
./scripts/eval.js 'document.title'
./scripts/eval.js 'document.querySelectorAll("a").length'
./scripts/eval.js 'JSON.stringify(Array.from(document.querySelectorAll("a")).map(a => ({ text: a.textContent.trim(), href: a.href })).filter(link => !link.href.startsWith("https://")))'
Execute JavaScript in active tab (async context). Be careful with string escaping, best to use single quotes.
Screenshot
./scripts/screenshot.js
Screenshot current viewport, returns temp file path
Pick Elements
./scripts/pick.js "Click the submit button"
Interactive element picker. Click to select, Cmd/Ctrl+Click for multi-select, Enter to finish.
Dismiss Cookie Dialogs
./scripts/dismiss-cookies.js # Accept cookies
./scripts/dismiss-cookies.js --reject # Reject cookies (where possible)
Automatically dismisses EU cookie consent dialogs.
Run after navigating to a page:
./scripts/nav.js https://example.com && ./scripts/dismiss-cookies.js
Background Logging (Console + Errors + Network)
Automatically started by start.js and writes JSONL logs to:
~/.cache/agent-web/logs/YYYY-MM-DD/<targetId>.jsonl
Manually start:
./scripts/watch.js
Tail latest log:
./scripts/logs-tail.js # dump current log and exit
./scripts/logs-tail.js --follow # keep following
Summarize network responses:
./scripts/net-summary.js
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