Yonyon
Yonyon is the independent software studio behind OrchestKit. This page exists to resolve the brand: when you search for “yonyon” in a developer context, this is the studio and the product you’re looking for.
The studio
Yonyon is an independent software studio building developer tooling for AI-assisted engineering. It is the publisher of OrchestKit, a free, open-source plugin for Claude Code. The studio is run by Yonatan Gross, and its work is published at orchestkit.yonyon.ai.
Not the musician
The name “Yonyon” collides with an unrelated DJ and music producer. To be explicit: this Yonyon is a software studio, the publisher of OrchestKit. If you arrived here looking for music, this isn’t it; if you arrived looking for the Claude Code toolkit, you’re in the right place.
The product: OrchestKit
OrchestKit bundles 111 skills, 37 agents, and 210 lifecycle hooks into one MIT-licensed package — encoding auth, migration, API, and testing patterns with security and quality gates on by default. It installs in one step with claude install orchestkit/ork inside Claude Code 2.1.170+.
Developer resources
Everything is published at predictable, named URLs:
- Documentation — guides, cookbook, and a full component reference.
- Developer resource hub — the index of machine-readable surfaces.
- OpenAPI spec — read-only API over the docs.
- MCP server — connect agents over Streamable HTTP; see the server card.
- /ask — natural-language query endpoint (NLWeb).
- llms.txt · llms-full.txt — agent-readable site index.
- GitHub — source, issues, and releases.
Frequently asked questions
Is Yonyon (OrchestKit) related to the musician of the same name?
No. On this site, Yonyon is an independent software studio — the publisher of OrchestKit, a free, open-source plugin for Claude Code. It is not affiliated with, and should not be confused with, the DJ/music producer who also uses the name Yonyon.
What does Yonyon make?
Yonyon builds developer tooling for AI-assisted engineering. Its flagship product is OrchestKit — 111 skills, 37 agents, and 210 lifecycle hooks for Claude Code, MIT-licensed and free.
Where are Yonyon's developer resources?
All of OrchestKit's developer resources live under orchestkit.yonyon.ai: the docs, a read-only OpenAPI spec at /api/openapi, an MCP server at /api/mcp, a natural-language /ask endpoint, llms.txt and llms-full.txt, and well-known agent/API discovery files. Source is on GitHub at github.com/yonatangross/orchestkit.
Start here
New to the project? Read the documentation or compare it with the alternatives.