AI Agents Just Got a Real Browser

dev-browser gives AI agents full Playwright control inside a sandboxed QuickJS runtime Architecture uses three layers: WASM sandbox, persistent browser tabs, and zero host access Benchmarks show 40% cheaper and 3.3x faster than Chrome Extension alternatives Persistent pages let agents login once and reuse sessions across multiple scripts This shifts AI from reading the web to operating it, no API integrations needed AI Agents Just Got a Real Browser Every browser automation tool for AI agents follows the same pattern. Send a command. Wait for a response. Send another command. Wait again. Each round trip burns tokens, wastes time, and turns a 3-second task into a 12-minute ordeal. dev-browser throws that pattern out. Instead of inventing new syntax for agents to learn, it hands them the tool developers already use: Playwright. The AI writes actual browser code. goto, click, fill, evaluate, screenshot. All of it. And it runs inside a QuickJS WASM sandbox, so the agent gets full browser c