

Tusk is an AI verification layer for coding agents, designed to prevent bugs and quality issues with tests and reviews based on production traffic. It helps engineers ship fast with coding agents confidently by automatically generating high-quality tests to reach coverage goals and catching real-world regressions.
In modern software development, regressions and quality issues can slip through when code changes are not tested against actual user behavior. Tusk addresses this by shifting-left testing without the pain, enforcing test coverage and code quality requirements without disrupting engineers' workflows. It solves the problem of missing edge cases and functional bugs before they reach production.
A key feature is its ability to cover thousands of edge cases in minutes. Tusk uses live traffic and business context to generate test cases that catch real-world regressions in 43% of pull requests. This dramatically increases test coverage and detects issues early.
The platform is optimized for agents, requiring only a single CLI command for initial setup and to add Tusk-generated tests locally or to an existing branch. This streamlined integration makes it easy to adopt and use within existing development environments and CI/CD pipelines.
Tusk is fully autonomous and self-healing. It self-iterates on its tests if it encounters errors when running them, eliminating back-and-forth with an AI copilot. It automatically maintains existing test suites on every commit to ensure they reflect the latest business logic.
Tusk works by turning production traffic into unit and API tests. It runs tests locally or in CI, halving engineering release cycles by catching bugs in pull requests before they get merged. The platform provides only executable test cases that cover blind spots, ensuring practical and relevant testing.
The benefits include detecting regressions, fixing functional bugs, and increasing code coverage. Engineers gain a sense of security when pushing code, leading to faster shipping with confidence. Companies can build a quality-first engineering culture and achieve significant test coverage gains.
Use cases include catching API regressions before merge, scaling test coverage on legacy codebases, and strengthening test coverage for core functionality. For example, teams have increased from 2,500 tests to over 7,000+ tests in a month, and Tusk has contributed to about three quarters of test coverage increases on large codebases.
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Target users are engineering leaders and teams at fast-growing companies, including those using coding agents. It integrates via CLI and works within CI/CD systems. The platform is trusted by companies like DeepLearning.AI, Hamming, Promptfoo, and TeamFeePay, and is backed by Y Combinator.
Overall, Tusk provides an integral part of CI/CD by using AI to transform real production traffic into actionable tests, ensuring code quality and preventing regressions to enable faster, more confident software delivery.
Tusk targets engineering leaders and teams at fast-growing companies who need to prevent bugs and ensure code quality. It is ideal for developers using coding agents, teams with legacy codebases requiring test coverage scaling, and organizations aiming to shift-left testing without disrupting workflows. Users include heads of engineering, CTOs, and developers seeking to integrate AI-driven testing into CI/CD pipelines for faster, more confident shipping.