koog
Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems
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Koog is a JetBrains framework for building AI agents on the JVM, written in Kotlin and usable from Java across backend, Android, iOS, JVM, and browser targets. Topics indicate support for multiple LLM providers (OpenAI, Anthropic, Ollama), MCP, multi-agent systems, and integrations with Ktor and Spring.
You want a fault-tolerant, enterprise-oriented agent framework that runs anywhere the JVM or Kotlin multiplatform does.
Use it to
- Build LLM agents in Kotlin or Java
- Run agents across backend, Android, iOS, and browser targets
- Wire multiple providers like OpenAI, Anthropic, and Ollama
- Compose multi-agent systems with MCP support
- Embed agents into Ktor or Spring services
For Kotlin and Java developers building production AI agents
- Role
- mcp-server
- Language
- Kotlin
- Licence
- Apache-2.0
- Forks
- 474
- Open issues
- 90
- Last push
- 2026-09-14
- Latest release
- 0.1.0 · 2025-06-05
- Skills shipped
- 2