skills/engineering/kotlin/SKILL.md
Kotlin development: coroutines, Flow, Channels, testing with JUnit 5 and Kotest.
npx skillsauth add notque/claude-code-toolkit kotlinInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Kotlin coroutine patterns and testing: structured concurrency, Flow, StateFlow/SharedFlow, Channels, dispatchers, JUnit 5, Kotest, MockK, and coroutine test dispatchers.
| Signal | Reference | Size |
|--------|-----------|------|
| concurrency, scopes, cancellation, dispatchers, exception handling | references/concurrency-patterns.md | ~130 lines |
| Flow, StateFlow, SharedFlow, operators, flow builders | references/flow-patterns.md | ~120 lines |
| Channels, producer-consumer, fan-in, fan-out | references/channel-patterns.md | ~100 lines |
| GlobalScope, unstructured launch, CancellationException, failure modes | references/preferred-patterns.md | ~80 lines |
| coroutine skill overview, structured concurrency principles | references/kotlin-coroutines.md | ~55 lines |
| JUnit 5, Kotest, MockK, runTest, parameterized tests, assertions | references/kotlin-testing.md | ~290 lines |
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