Mastra

A TypeScript framework for building AI agents and workflows with clean, modern code. Made by the Gatsby team, it connects to Claude, OpenAI, and 50+ tools out of the box, with built-in memory management, performance evaluation, and one-command deployment.

1. npx create-mastra@latest (follow interactive setup) 2. Or manually: npm install @mastra/core 3. Create src/mastra/index.ts with your Mastra instance 4. Define agents: new Agent({ name, instructions, model, tools }) 5. npm run dev — Mastra playground at http://localhost:4111