Mutation testing inside your Kotlin tests. Compile once, catch gaps.
Appears on
Quick read
Latest capture 2026-10-24 09:43
Compare the starting count and capture dates, not just the percentage. How to read GitHub star growth. Missing history is not zero growth.
Archive status reflects the last catalog sync, not a maintenance assessment. Check recent releases, issue responses, and fit for your project with the repository shortlisting checklist.
1 path
Agent instructions and tool configuration found in this repository.
Project docs
Explore indexed repositories with these instruction or planning files. File detection is not a quality, compatibility, or safety assessment; check the actual instructions upstream.
AGENTS.md, CLAUDE.md, and GEMINI.md searches also match nested paths. Other file searches require the exact repository-root path. To require several files, select them together in the search filters.
1 observed capture since 2026-10-24. Observed captures are shown by default.
Stars from first capture 0
Observed captures only
All tracked data
Observed snapshots
Observed snapshots
Nearest indexed repositories by embedding similarity.
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
Open Source, Language Agnostic Mutation Testing
Compose your business logic into commands that sanitize and validate input.
Library support for Kotlin coroutines
A library for testing Kotlin and Java annotation processors, compiler plugins and code generation
mocking library for Kotlin
