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heapy/kortex

v1.11.1Apache-2.0

Kotlin Agent Skills — Kotlin Toolchain (Amper), Kotlin/JVM, Multiplatform, and more

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kortex

Kotlin- and JVM-focused agent skills for JetBrains Kotlin Toolchain, Kotlin/JVM, Multiplatform, JShell, and related development workflows.

What it covers

  • Kotlin Toolchain declarative project setup with module.yaml, project.yaml, templates, dependencies, plugins, and the kotlin CLI.
  • Version-aware guidance for Kotlin Toolchain v0.12.x, with a retained v0.11.x snapshot and a 0.11 -> 0.12 migration guide.
  • Kotlin/JVM, Android, iOS, Kotlin Multiplatform, Kotlin/JS, Kotlin/Wasm, Kotlin/Native, server-side apps, testing, publishing, migration, and toolchain provisioning.
  • Modern Kotlin language features (2.0–2.4.x, including 2.4.10 and the 2.4.20-Beta1 EAP) with experimental compiler flags and per-version references back to Kotlin 1.4.
  • Ktor 3.5.x server and client development: routing, requests/responses, plugins, serialization, authentication, sessions, WebSockets, SSE, engines, testing, deployment, and multiplatform client work.
  • Java snippets and scratchpad work with JShell.

Files

  • skills/kotlin-toolchain/SKILL.md - default Kotlin Toolchain skill for v0.12.x; operational base plus a map of topic references.
  • skills/kotlin-toolchain/references/ - per-topic detail: CLI, project model, product types, dependencies, settings, built-in technologies, multiplatform, templates, publishing, plugins, Maven migration, the 0.11 -> 0.12 upgrade, known issues, and Codex cache setup.
  • skills/kotlin-toolchain/SKILL-0.11.md - historical skill for projects still pinned to v0.11.x.
  • skills/kotlin-toolchain/generation/ - retained upstream documentation dumps and regeneration notes.
  • skills/kotlin-toolchain/scripts/aggregate-upstream-docs.sh - helper for rebuilding upstream documentation dumps.
  • skills/main-kts/SKILL.md - executable Kotlin .main.kts scripts.
  • skills/modern-kotlin/SKILL.md - modern Kotlin language features and experimental flags.
  • skills/modern-kotlin/references/ - detailed per-version notes (1.4 through 2.4.20-Beta1) and the flag index.
  • skills/ktor/SKILL.md - Ktor 3.5.x server and client development.
  • skills/ktor/references/ - compressed server and client guides.
  • skills/ktor/generation/generation-steps.md - regeneration notes for the Ktor skill.
  • skills/jshell/SKILL.md - Java snippets and scratchpad work with JShell.

Usage

Ask the agent to use a skill explicitly when needed:

Use the kotlin-toolchain skill to create a setup for a Kotlin Native CLI application
Use the jshell skill to evaluate this Java snippet without leaving an interactive process behind