webapp-testing
Interact with and test local web apps using Playwright — screenshots, logs, UI debugging.
🛡️ AgentReady threat assessment
MAESTRO 7-layer threat model + OWASP AIVSS risk score for webapp-testing, derived from its capabilities.
AIVSS 9.9 · Critical
View MAESTRO 7-layer threat model →Overview
Anthropic's official web-app testing skill. Writes native Python Playwright scripts to verify frontend functionality, debug UI behavior, capture screenshots, and read browser logs, with a bundled with_server.py helper that manages one or more server lifecycles. Launches a real browser and runs arbitrary Playwright automation against local servers.
Key features
- Native Playwright script generation
- with_server.py multi-server lifecycle manager
- Screenshot capture and browser-log inspection
Use cases
- Test a local React app's login flow
- Debug a failing UI interaction with screenshots