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Comprehensive guidelines for building secure, performant Chrome extensions with Manifest V3. \n \n Covers full extension architecture including background Service Workers, content scripts, popup UI, and inter-component messaging with security best practices \n Emphasizes Manifest V3 compliance, least-privilege permissions, Content Security Policy implementation, and protection against XSS and injection attacks \n Includes Chrome API patterns for storage, tabs, runtime, alarms, and actions; async

Lightweight Chrome DevTools Protocol CLI. Connects directly via WebSocket — no Puppeteer, works with 100+ tabs, instant connection.

Comprehensive performance and code quality guide for Chrome Extensions (Manifest V3). Contains 67 rules across 12 categories, prioritized by impact to guide automated refactoring and code generation.

The chrome-devtools-mcp CLI lets you interact with the browser from your terminal.

Diagnose and resolve Claude in Chrome MCP extension connectivity conflicts on macOS. \n \n Addresses the primary issue: Claude.app (Cowork) and Claude Code CLI use competing native messaging hosts with incompatible socket formats; fix by disabling one config and restarting both Chrome and Claude Code \n Provides quick diagnosis commands to identify which native host is running, locate socket files, and verify active configurations \n Includes a toggle script to switch between Claude.app and Clau

Comprehensive UX/UI design guide for Chrome Extensions, optimized for Manifest V3. Contains 42 rules across 8 categories, prioritized by impact to guide extension UI development and code review.

Generate production-ready Chrome Web Store marketing screenshots (1280x800 PNG) for browser extensions.

Extract and analyze browser history, cookies, cache, downloads, and bookmarks from Chrome, Firefox, and Edge for forensic evidence of user web activity.

Vision-driven browser automation using your real Chrome browser, preserving sessions and login state. \n \n Operates entirely from screenshots without requiring DOM access; interacts with all visible elements regardless of technology stack \n Connects to desktop Chrome via Midscene Extension through Chrome DevTools Protocol, never taking over mouse or keyboard \n Supports multi-step workflows including navigation, form filling, data extraction, UI testing, and screenshot capture \n Requires visu

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