ssdeanx/agentstack/browser

Claude Code and agent skill by ssdeanx/agentstack

Trust tier 3
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This skill should be used for browser automation tasks using Chrome DevTools Protocol (CDP). Triggers when users need to launch Chrome with remote debugging, navigate pages, execute JavaScript in browser context, capture screenshots, or interactively select DOM elements. No MCP server required.

Install

npx vskill@latest install ssdeanx/agentstack/browser

SKILL.md

Browser Automation

Minimal Chrome DevTools Protocol (CDP) helpers for browser automation without MCP server setup.

Setup

Install dependencies before first use:

bash
npm install --prefix ~/.claude/skills/browser/browser ws

Scripts

All scripts connect to Chrome on localhost:9222.

start.js - Launch Chrome
bash
scripts/start.js              # Fresh profile
scripts/start.js --profile    # Use persistent profile (keeps cookies/auth)
nav.js - Navigate
bash
scripts/nav.js https://example.com        # Navigate current tab
scripts/nav.js https://example.com --new  # Open in new tab
eval.js - Execute JavaScript
bash
scripts/eval.js 'document.title'
scripts/eval.js '(() => { const x = 1; return x + 1; })()'

Use single expressions or IIFE for multiple statements.

screenshot.js - Capture Screenshot
bash
scripts/screenshot.js

Returns { path, filename } of saved PNG in temp directory.

pick.js - Visual Element Picker
bash
scripts/pick.js "Click the submit button"

Returns element metadata: tag, id, classes, text, href, selector, rect.

Workflow

  1. Launch Chrome: scripts/start.js --profile for authenticated sessions
  2. Navigate: scripts/nav.js <url>
  3. Inspect: scripts/eval.js 'document.querySelector(...)'
  4. Capture: scripts/screenshot.js or scripts/pick.js
  5. Return gathered data

Key Points

  • All operations run locally - credentials never leave the machine
  • Use --profile flag to preserve cookies and auth tokens
  • Scripts return structured JSON for agent consumption

Security

  • Security scanPassed, 90 of 100Pattern checks on the skill's files.
  • Model reviewPassed

See the full security report

Quality evaluation

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Source

Popularity

7-day trend score
5

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