Mastra 1.0
Build AI agents with a modern TypeScript stack
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Mastra is a TypeScript framework for building AI applications and agents, from the team behind Gatsby. Version 1.0 provides the core building blocks in one stack: workflows for multi-step logic, memory, streaming, evaluations, and tracing, plus Studio, an interactive UI for developing and testing agents locally.
Because it is TypeScript-native, it fits into existing web codebases and tooling rather than requiring a separate Python service.
It is aimed at web and full-stack developers who want to build agentic features in the language they already use, with the supporting infrastructure, testing, and observability included rather than assembled from separate libraries.
AI-assisted draft, human-reviewed before publishing — see how we choose & review tools.
Why we picked it
Mastra 1.0 made the cut for Studio, the local interactive UI for developing and testing agents — being TypeScript-native and fitting existing web tooling is a real fit, but having an actual place to see an agent's behavior locally is what saves real debugging time.
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