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Mastra is the open-source TypeScript framework that finally gives JavaScript developers a first-class way to build, test, and ship AI agents. From the team behind Gatsby, it comes loaded with everything production requires: memory, workflows, tool use, evals, tracing, and MCP support. Over 22,000 GitHub stars and millions of monthly downloads later, Mastra has become the go-to agent stack for teams at Replit, PayPal, and beyond.
San Francisco, CA 94114, US
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https://mastra.ai
Mastra
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