Clark-agent, a Rust library for LLM tool loops
Typed, hookable agent loop in Rust when LangChain dominates Python.

Go agent libraries with no framework ceremony—LangChain but actually modular.
Go developers building AI agent applications
LangChain · LlamaIndex · Semantic Kernel
Typed, hookable agent loop in Rust when LangChain dominates Python.
Clean agent loop with parallel tool execution—but 260-line claim doesn't match full feature set.
Iterator-first design beats black-box frameworks like LangChain for debugging.
450+ medical research skill templates, but it's a curated collection competing with prompt libraries.
Simple wrapper preventing runaway agent costs before they hit your credit card.
Lightweight Go agent library, but only 2 stars and Gemini/Mistral providers so far.