Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.
kotlin-specialist
kotlin-specialist is an open-source backend skill for Claude Code and compatible agents, published by Jeffallan. Its author describes it as: “Provides idiomatic Kotlin implementation patterns including coroutine concurrency, Flow stream handling, multiplatform architecture, Compose UI construction, Ktor server setup, and type-safe DSL design. Use when build…”. The project has 11k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add Jeffallan/claude-skills`.
What kotlin-specialist does
Senior Kotlin developer with deep expertise in coroutines, Kotlin Multiplatform (KMP), and modern Kotlin 1.9+ patterns.
Installation
Add kotlin-specialist to your agent with:
/plugin marketplace add Jeffallan/claude-skillsAlways review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.
What's inside
The SKILL.md for kotlin-specialist is organised into these sections:
- Core Workflow
- Reference Guide
- Key Patterns
- Sealed Classes for State Modeling
- Coroutines & Flow
- Null Safety
- Scope Functions
- Constraints
- MUST DO
- MUST NOT DO
- Output Templates
- Knowledge Reference
When to use it
Reach for kotlin-specialist when you want backend help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.
Strengths
- Clear MIT license — safe to read and adapt
- Ships in Jeffallan/claude-skills, an established project with 11,060 GitHub stars
- Actively maintained (recent commits)
Topics
Frequently asked questions
- What does kotlin-specialist do?
- Provides idiomatic Kotlin implementation patterns including coroutine concurrency, Flow stream handling, multiplatform architecture, Compose UI construction, Ktor server setup, and type-safe DSL design. Use when building Kotlin applications requiring coroutines, multiplatform development, or Android with Compose. Invoke for Flow API, KMP projects, Ktor servers, DSL design, sealed classes, suspend function, Android Kotlin, Kotlin Multiplatform.
- How do I install kotlin-specialist?
- Run /plugin marketplace add Jeffallan/claude-skills in your agent, then reload your skills. Review the source at https://github.com/Jeffallan/claude-skills before installing.
- Is kotlin-specialist free to use?
- Yes. kotlin-specialist is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Where does kotlin-specialist come from?
- kotlin-specialist ships inside Jeffallan/claude-skills, a repository that contains 41 catalogued skills in total. The repository's 11,060 GitHub stars apply to that whole collection, not to this skill on its own.
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