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Welcome to Stably

Stably is an AI-powered testing platform that works with your existing Playwright tests. We don’t replace Playwright—we enhance it with intelligent test generation, automatic maintenance, and seamless cloud execution.
100% 🎭 Playwright Compatible: All Stably tests are standard Playwright tests. You can run them with npx playwright test anytime, anywhere. No lock-in, no proprietary formats.

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Choose Your Path

We make creation, maintenance, and execution of tests easy. To do this, we offer two experiences that share many similarities. If you want a visual interface with AI assistance (no coding required), use Stably Web. If you prefer working in your terminal, use the Stably CLI.

Stably Web

Visual web UI for test creation, scheduling, and management

Stably CLI

Code-first approach with AI agent for local development and flexible test execution

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Unsure where to start?

The innovation with Stably is that we don’t lock you in. We aim to be the most flexible platform out there. You can move freely between paths—both are powered by our SDK (learn more).
Still unsure? Start with the web, it’s the quickest way to get started!

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Looking for the raw Stably SDK?

The Stably Web Editor and the Stably CLI wrap our SDK. If you just want our Playwright-compatible AI primitives, you can use the SDK directly. It includes methods like AI assertions, AI extractions, and an AI Agent that can do multi-step actions on your behalf.

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Want to learn more first?

What is Stably

Stably brings AI superpowers to Playwright — alongside an optional editor Web or CLI experience.