Mastra
TypeScript-native agent framework from the team behind Gatsby — workflows, memory, RAG, evals.
Overview
Mastra: TypeScript Agent Framework
Mastra is TypeScript-native agent framework. Most agent frameworks are Python-first; the JS bindings feel like afterthoughts. Mastra is TS-native and built by Gatsby founders who know dev tooling — cohesive ergonomics and native types throughout.
Key Features
- TypeScript-native agent framework
- Workflows, agents, RAG, evaluations, observability
- Built by the team behind Gatsby
- Strong choice for full-stack TS agent developers
- Open source + dev-first ergonomics
Ideal Use Case
Full-stack TypeScript developers building agents who don't want to context-switch to Python or wrestle with LangChain JS's quirks.
Why Use Mastra
Most agent frameworks are Python-first; the JS bindings feel like afterthoughts. Mastra is TS-native and built by Gatsby founders who know dev tooling — cohesive ergonomics and native types throughout.
FAQ
Q: vs LangChain JS? A: Mastra is purpose-built for TS; LangChain JS is a port of the Python framework.
Q: Open source? A: Yes — Apache 2.0.
tl;dr
TypeScript-native agent framework. By Gatsby founders. Workflows + agents + RAG + evals.
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Looking for more options? Browse the Developer Tools directory or read our best AI coding tools listicle. Mastra is also tracked on Crunchbase.
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