AI Testing Tools is a research-backed directory that catalogs and compares artificial intelligence testing and test automation tools. The site provides structured comparisons across multiple dimensions, including AI features, MCP servers, VS Code extensions, SDKs, GitHub integrations, and pricing. Each claim in the directory includes a source and verification date, allowing users to assess the reliability of the information presented. The directory organizes tools into distinct categories based on how they operate. Testing frameworks are libraries that users write tests against in their own repositories, while platforms are hosted products that author, run, and report on tests behind a web application. The directory also covers AI agents, which use a model to drive an application directly instead of replaying a fixed script, as well as device clouds, visual testing products, and test management solutions. Listed tools include ACCELQ, Agent Device, Applitools, Autify, BrowserBash, BrowserStack, Bug0, Checksum, and Cypress.io, each with a summary of its function and licensing model. The site serves developers, QA engineers, and technical decision makers who need to evaluate AI testing tools before adoption. Users can compare tools across categories such as natural language test creation, visual regression testing, codeless automation, and AI-assisted maintenance. The inclusion of open-source and commercial options, along with free tiers where available, supports a range of evaluation workflows. The directory is available at aitestingtools.io.