Stagehand: Turn Browser Automation into a Verifiable AI Agent SDK with observe, act, and extract
Stagehand separates browser agents into three observable actions—observe, act, and extract—while retaining a Playwright-style API and SDKs for TypeScript, Python, and Go. This article examines its security boundaries, schema validation, local and cloud-browser workflows, and the situations where high-risk actions should remain under deterministic program control.