M
MCP.directory

browser

by cexll
24
0
Source

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

mkdir -p .claude/skills/browser && curl -L -o skill.zip "https://mcp.directory/api/skills/download/1144" && unzip -o skill.zip -d .claude/skills/browser && rm skill.zip

Installs to .claude/skills/browser

About this skill

Browser Automation

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

Setup

Install dependencies before first use:

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

Scripts

All scripts connect to Chrome on localhost:9222.

start.js - Launch Chrome

scripts/start.js              # Fresh profile
scripts/start.js --profile    # Use persistent profile (keeps cookies/auth)

nav.js - Navigate

scripts/nav.js https://example.com        # Navigate current tab
scripts/nav.js https://example.com --new  # Open in new tab

eval.js - Execute JavaScript

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

scripts/screenshot.js

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

pick.js - Visual Element Picker

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

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