Build AI Agents That Control the Web

DOM-native browser automation layer built on Playwright, designed for AI models and developer workflows.

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Give us a ⭐ on GitHub, clone it, and start building.

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Models and Providers

Runs locally with any model or provider.

ClaudeOpenAIGeminiOpenRouterQwenCopilotDeepSeekOllama

How It Works

1. Observe

Capture page context, DOM state, and task inputs before acting.

2. Plan

Resolve target elements and action sequence using explicit execution rules.

3. Execute

Run actions through Playwright with controlled timing and retry policy.

4. Verify

Validate outcomes, store artifacts, and return structured results.

Use Cases

  • Log in to partner portals and download invoices on a fixed schedule.
  • Check order and shipment status across vendor dashboards and sync updates.
  • Run regression workflows on critical UI paths with full artifact capture.
  • Automate back-office tasks such as form entry and account provisioning.

Open Source

Kernel Sphere is open source and maintained in public. Contributions are welcome across SDK features, docs, examples, and bug reports.