Tusk
AI testing platform for API testing, unit testing, and integration testing that prevents bugs and regressions with AI-enabled automated tests and code reviews based on production traffic.
Where Tusk ranks
Current edition · updated Oct 20, 2026About Tusk
Tusk (YC W24) is an AI agent that helps developers generate unit and integration tests with codebase context. Tusk sits in CI and provides automatic coverage whenever software engineers raise a PR. Engineering teams use Tusk to prevent critical regressions while increasing test coverage.
Products
AI verification layer for coding agents that uses live traffic and business context to generate test cases and code reviews, preventing regressions and boosting code coverage.
AI-powered code review for pull requests, part of the Tusk platform.
AI-enabled unit test generation to cover edge cases on pull requests.
AI-powered API test generation using real traffic, also known as Tusk Drift.
Tool to backfill unit tests and increase code coverage on existing codebases.
What customers say
“Our priority as a fast-shipping product team is making sure we get high quality code out the door quickly. Tusk has been instrumental in helping our engineering team increase test coverage with minimal effort.”
“Tusk is the first AI tool that noticeably accelerated our dev cycle. By scaling our testing infra, it's given us confidence to ship faster and been instrumental in helping our lean team scale across 3 stacks. Of all the AI tools being built right now, I'm most excited about Tusk.”
“Edge cases that are not covered can cause the most critical issues. By using Tusk, our team gains an additional guardian to protect our product from the threats of edge cases.”
- Tusk
TeamFeePay integrated Tusk into its GitLab CI/CD pipeline for a Ruby on Rails codebase. Tusk reports a 30% increase in unit test coverage within three weeks, three quarters attributable to Tusk, followed by 887 tests…
Case study - CoverBot
Promptfoo used Tusk for PR-level unit tests and CoverBot for automatic backfilling of under-tested files. Tusk reports that, in seven months, 48% of runs resulted in committed tests, with more than 2,000 tests added and…
Case study - Tusk
DeepLearning.AI integrated Tusk’s test-generation agent into its CI/CD pipeline to generate backend unit tests for PRs. Tusk reports that engineers incorporated 57.1% of its test suites and that 42.9% of testable PRs had…
Case study
Security and compliance
As reported by Tusk. Ask for audit reports before you buy.
- SOC 2Compliant
- Secrets Management
- TLS Encryption
- HTTPS API Transmissions
- Network Segmentation
- Multi-Tenant Architecture
- OAuth 2.0 Authentication
- Incident Response Plan
- Continuous Monitoring
- Comprehensive API Logging
- Strict Access Controls
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