Mastra

The Javascript framework for building AI agents, from the Gatsby devs

by Abhi Aiyer, Sam Bhagwat, Paul Scanlon·Developer Tools·YC Winter 2025·tracked since Sep 25, 2026
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Monthly revenue–Not shared yet
Rank–Unranked
Last 30 days–Growth in MRR
Revenue per founder–3 founders

About Mastra

Mastra is the easiest way to build a production AI application, built by the team that brought you Gatsby. We provide a complete set of AI primitives: workflows for complex operations, agents for autonomous decisions, RAG for knowledge integration, and evals for quality & accuracy. Mastra is open-source, modular, and built in Typescript for product developers. You can deploy Mastra on any cloud, and it gives you a straightforward syntax to solve the hardest problems building with AI: human-in-the-loop workflows, agent memory and tool selection, and output quality.

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Who founded Mastra?

Mastra was founded by Abhi Aiyer, Sam Bhagwat, Paul Scanlon.