# What is Mastra? [Mastra](https://github.com/mastra-ai/mastra) is an open-source AI Agent Framework for TypeScript that includes all the basic primitives for AI engineering right out of the box: - Agents with tools, memory, and tracing - State-machine based workflows - Evals for tracking and measuring AI output - Storage for RAG pipelines - Local development playground With Mastra, you can quickly build, test, and deploy AI agents that can perform a wide variety of tasks. The framework is designed to be modular and extensible, allowing you to add new capabilities as needed.