Engineering teams shipping with AI have a new bottleneck: validation. Code output has accelerated. Quality hasn't. Checksum closes the gap.
Checksum is a continuous quality platform with a suite of AI agents that handle testing end-to-end, at every stage of the development lifecycle. Where most tools wait for a human to trigger them, Checksum runs autonomously in the background, generating tests, executing them, and repairing failures without manual intervention. Seventy percent of test failures are resolved automatically through real-time auto-recovery.
The platform covers every layer: end-to-end UI flows via Playwright, API endpoint chains, and targeted CI tests scoped to exactly what changed in a PR. All tests land as real code in your repository and are delivered as standard Playwright, owned by your team.
Checksum is fine-tuned on 1.5+ million test runs and integrates natively with Cursor, Claude Code, and 100+ AI coding agents. Type /checksum and your coding agent's output gets tested before it ever reaches review. Generation and healing happen on Checksum's cloud infrastructure which means no LLM tokens consumed, no local resources required.
The result: test suites that stay green as the product evolves, fewer regressions reaching production, and release confidence that scales alongside AI output.
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UserTesting transforms how enterprises gather and apply human insights by combining a massive, engaged global participant network with AI-powered insight synthesis. The platform offers fast, reliable feedback to improve marketing effectiveness, product usability, and customer experience strategies. By replacing traditional surveys and focus groups, UserTesting helps businesses quickly validate ideas, co-innovate with customers, and refine messaging to boost conversion rates and loyalty. Its enterprise-grade security and compliance certifications, including SOC 2, GDPR, and HIPAA, make it suitable for the most regulated industries. Leading companies such as Kimberly-Clark and Wells Fargo use UserTesting to accelerate decision-making, reduce costs, and improve customer satisfaction scores. The platform scales from individual teams to large organizations, providing expert-led services and onboarding to ensure success. UserTesting’s intuitive tools make it easy to get feedback on campaigns, UX designs, and digital experiences. Overall, it empowers businesses to move faster and smarter with the real voice of their customers.
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