Mastra
TypeScript framework for agents, workflows and RAG.
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Use cases
About Mastra
Mastra is listed in our frameworks category and is aimed at builders. TypeScript framework for agents, workflows and RAG. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-14.
What is Mastra?
Mastra is a TypeScript framework for building AI-powered applications and agents, from prototypes to production. It includes agents, workflows and RAG.
It integrates with React, Next.js and Node, or deploys anywhere as a standalone server.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: mastra.ai.
Who is Mastra for?
TypeScript developers building agents and AI features into web apps.
Mastra at a glance
- Open source: Yes (Apache License 2.0, except ee/ directories (separate licence))
- GitHub: mastra-ai/mastra · 28,973 stars (as of Oct 21, 2026)
Key features
- Agents, workflows and RAG
- Works with React, Next.js and Node
- Standalone server deployment
Mastra FAQ
What is Mastra?
Mastra is a TypeScript framework for building AI-powered applications and agents, from prototypes to production. It includes agents, workflows and RAG.
Who is Mastra for?
TypeScript developers building agents and AI features into web apps.
Is Mastra free?
Mastra's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Mastra open source?
Yes. Mastra is released under the Apache License 2.0, except ee/ directories (separate licence), according to its GitHub repository.
What are alternatives to Mastra?
Similar tools include CrewAI, Microsoft Agent Framework, VoltAgent, Agent-Native (Builder.io), eve and Workflow SDK.
Mastra ratings and reviews
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