# ReasonKit Think > Advanced reasoning MCP for AI coding agents: chain-of-thought, tree-of-thought, verification, and governance. ReasonKit is built by Len P. van der Hof as a product of LPH98.ventures. ## Site - [Home](https://reasonkit.sh/): Install and product overview - [Docs](https://reasonkit.sh/docs/index.html): Tool and architecture documentation - [Resources](https://reasonkit.sh/resources/): Engineering essays - [Tune](https://reasonkit.sh/tune.html): Prompt tuner - [GitHub](https://github.com/reasonkit/reasonkit-think) ## Builder - [Len P. van der Hof](https://lenvanderhof.com/en/authors/len-p-van-der-hof/): Author and operator - [Lenvanderhof.com](https://lenvanderhof.com/): Books and essays - [Evaluate reasoning, not fluency](https://lenvanderhof.com/en/blog/evaluate-reasoning-not-fluency/) - [Override doctrine](https://lenvanderhof.com/en/blog/override-doctrine/) - [Version the agent OS like the app](https://lenvanderhof.com/en/blog/stack-version-the-agent-os/)