Verify App Behavior with stably verify

stably verify checks whether your application works correctly by describing expected behavior in plain English. It launches an AI agent that navigates your app in a real browser, interacts with it, takes screenshots, and reports a structured PASS / FAIL / INCONCLUSIVE verdict. No test files are generated.

Pre-flight

Always run stably --version first. If not found, install with npm install -g stably or use npx stably. Requires Node.js 20+ and a Stably account.

stably --version
echo "STABLY_API_KEY: ${STABLY_API_KEY:+set}"
echo "STABLY_PROJECT_ID: ${STABLY_PROJECT_ID:+set}"

Usage

# Verify a feature works
stably verify "the login form accepts email and password and redirects to /dashboard"