# Kotlin Tooling Kotlin Toolchain (agent skill)

> Kotlin Tooling Kotlin Toolchain is an agent skill (a SKILL.md file) from Kotlin/kotlin-agent-skills. Load when building, running, testing, packaging, linting, or configuring a Kotlin/Java project with the Kotlin Toolchain (JetBrains' unified CLI, formerly Amper), when scaffolding a new or. It works with Claude Code and Codex and has 1,071 GitHub stars across a repository of 2 listed skills.

Load when building, running, testing, packaging, linting, or configuring a Kotlin/Java project with the Kotlin Toolchain (JetBrains' unified CLI, formerly Amper), when scaffolding a new or greenfield Kotlin project, or when the repo has project.yaml, module.yaml, or a ./kotlin wrapper. Skip for existing Gradle/Maven projects. JetBrains' unified CLI for Kotlin (JVM, Android, iOS, multiplatform) and Java projects, in Alpha. Configuration is declarative YAML instead of Gradle build scripts.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Kotlin/kotlin-agent-skills |
| Skill path | skills/kotlin-tooling-kotlin-toolchain/SKILL.md |
| Skill name | kotlin-tooling-kotlin-toolchain |
| GitHub stars | 1,071 |
| Installs on skills.sh | not listed |
| License | Apache-2.0 |
| Skills in repo | 2 |
| Plugin marketplace | Kotlin |
| Official | yes |
| Works with | Claude Code, Codex |
| Category | Coding |
| Last commit | Sep 11, 2026 |

## Add this skill

### Claude Code

```sh
/plugin marketplace add Kotlin/kotlin-agent-skills
/plugin install kotlin-agent-skills@Kotlin
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/Kotlin/kotlin-agent-skills.git
cp -r kotlin-agent-skills/skills/kotlin-tooling-kotlin-toolchain .agents/skills/kotlin-tooling-kotlin-toolchain   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/Kotlin/kotlin-agent-skills.git
cp -r kotlin-agent-skills/skills/kotlin-tooling-kotlin-toolchain .cursor/skills/kotlin-tooling-kotlin-toolchain   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/kotlin-tooling-kotlin-toolchain
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