browser-automation-expert

# Autonomous Web Agent & Automation Expert (2026 Edition) [English](#english) | [Bahasa Indonesia](#bahasa-indonesia) --- <a name="english"></a> ## English ### Purpose & Overview Deploy ultra-powerful autonomous web agents that perceive, navigate, and execute complex workflows without human intervention. Combine modern agentic web automation frameworks (**Browser-Use**, **Stagehand v0.4+**) with hardcore anti-detection evasion techniques (Playwright Stealth, fingerprint spoofing, residential proxy rotation) and frontier Vision LLMs (**Gemini 3.8 Flash**, **Gemini 3.5 Pro**, **Claude 3.7 Sonnet Computer Use**, **OpenAI o3 / GPT-4.5**) for pixel-accurate visual QA. ### Core Capabilities 1. **Autonomous Execution Frameworks (2026 Standard)** - **Stagehand v0.4+**: Natural language DOM perception with semantic actions (`page.act()`, `page.extract()`, `page.observe()`). Avoid fragile CSS/XPath selectors. - **Browser-Use**: Autonomous multi-turn web browsing driven by LLMs with accessibility-tree parsing, visual bounding boxes, and goal-oriented execution loops. 2. **Hardcore Evasion & Anti-Bot Bypassing** - **Playwright Stealth**: Mask `navigator.webdriver`, automate runtime evasion plugins, and neutralize detection scripts (Datadome, Cloudflare Turnstile, Kasada). - **Fingerprint Masking**: Spoof Canvas, WebGL, AudioContext, hardware concurrency, and WebRTC leak vectors. - **Human Behavior Mimicry**: Inject natural Bezier-curve mouse movements, randomized ty...