JetBrains/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
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
Ranks #409 of 2,845 repositories GStars tracks this week (top 14%).
3 releases in the last 90 days, the latest 22 days ago, with 124 contributors on GitHub.
Peaked at #11 in the weekly ranking the week of Aug 31, its best in the past year.
Use Cases & Benefits
- Builds and runs AI agents in idiomatic Kotlin for JVM, JS, WasmJS, and iOS platforms with support for complex workflows and tool integration.
- Offers a pure Kotlin, modular, and scalable framework with advanced features like intelligent history compression, persistent memory, and real-time streaming API.
- Use for developing enterprise-ready AI agents that require fault tolerance and multi-platform deployment including backend services and mobile apps.
- Use for creating AI agents that integrate with multiple LLM providers such as OpenAI, Anthropic, and Google for diverse natural language tasks.
- Use for building AI-powered applications needing customizable tool extensions, semantic search via embeddings, and detailed execution tracing for debugging.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Apache 2.0
Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.
Community files
- README: present
- Contributing guide: present
Watch-outs
No watch-outs from GStars' checks.
General guidance from repository metadata, not legal advice. How we score
From the README
Koog is a Kotlin-based framework designed to build and run AI agents entirely in idiomatic Kotlin. It lets you create agents that can interact with tools, handle complex workflows, and communicate with users.
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
Forks
491+41
Open issues
237+69
Compared with peers in AI
Fastest-growing repositories GStars tracks in this cohort for the week of Oct 11, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| storytold/artcraft | 35.6K | +20.3K | 75 | 26 days ago |
| ifixai-ai/iFixAi | 30.7K | +6.9K | 75 | 5 days ago |
| heygen-com/hyperframes | 71.5K | +5.6K | 75 | today |
| vxcontrol/pentagi | 32.3K | +5.4K | 75 | 19 days ago |
| calesthio/OpenMontage | 71.6K | +3.2K | 75 | — |
| JetBrains/koog | 4.6K | +0 | 75 | 22 days ago |
| Category median | 35.6K | +5.6K | 75 | — |
Also by JetBrains
Other repositories from this maintainer that GStars tracks
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