Endless Testing

Launch, monitor, and optimize A/B tests from your terminal or AI assistant. No dashboard required.

CLI First

Install via npm, authenticate with an API key, and run endlesstesting run <url> to launch AI-generated A/B tests.

MCP for AI Assistants

Works natively with Claude Code and Cursor. Your AI assistant can launch and monitor tests as MCP tools.

Autonomous Optimization

Thompson sampling picks winners automatically. Tests iterate forever — your site gets better while you sleep.

Free Tier

5 concurrent tests, 3 variants each, 10k monthly visitors. Generous enough to optimize a real site.