mastra-ai/mastra

Mastra is an open‑source TypeScript framework that lets developers design, prototype, and ship AI‑powered applications and autonomous agents—offering model routing, agents, workflow orchestration, memory management, and built‑in observability. It’s aimed at engineers building production‑ready AI products, from front‑end React/Next.js apps to backend services, who want a standardized, scalable stack for integrating multiple LLMs and tools.