

Papercuts deploys AI agents that interact with your production application exactly as real users would, identifying issues that occur when backend systems meet the browser environment. The platform focuses on testing in production because that's where actual users experience the application.
The platform offers two types of agents: deterministic agents that follow precise instructions for critical paths, and exploratory agents that autonomously roam applications to uncover edge cases. Agents perceive the UI semantically rather than just code, allowing them to adapt to layout shifts without breaking tests. When issues occur, Papercuts provides detailed reports with step-by-step execution flows, screenshots, network logs, and agent reasoning logs.
The testing protocol involves three phases: injection where headless browsers are instantiated without requiring SDKs or code changes, perception where agents semantically understand the UI, and reporting where detailed error notifications are sent via email. The system handles authentication by using provided credentials to test protected routes just like real users.
Papercuts helps identify weird breaking points that only real users would encounter in full-stack rendering environments. The service provides immediate email notifications with comprehensive diagnostic information when bugs are discovered.
The product targets developers and teams needing production environment testing, particularly those working with full-stack applications where backend-browser interactions can cause unexpected issues. No SDK installation is required as agents interact directly with the application interface.
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Papercuts is designed for developers and teams working with full-stack applications who need to identify issues that occur in production environments. The product serves those who want to test applications exactly as real users experience them, particularly focusing on the interaction points between backend systems and browser rendering. It's suitable for organizations that want automated testing without requiring SDK installations or code changes.