Ecosystem & Stack: zod

A provider-agnostic TypeScript toolkit for building AI-powered applications and agents with popular UI frameworks and runtimes.

Ax is a TypeScript framework that simplifies building reliable AI applications by abstracting prompt engineering and LLM provider complexities, allowing developers to define inputs and outputs.

A comprehensive 420,000-word technical book dissecting the architecture of AI Agent Harness, specifically drawing insights from Claude Code, to guide building your own robust agent systems.