Mastra

An open-source TypeScript & JavaScript framework for building, testing and deploying AI agents and applications with ease, from idea to production.

$13MSeedTechnology, Information And InternetEst. 2024

Amount Raised

$13M

Round

Seed

Date Raised

Oct 8, 2025

Founded

2024

CompanyMastra

IndustryTechnology, Information And Internet

Founded2024

Monthly Web TrafficNaN visits/mo

InvestorsY Combinator

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An open-source TypeScript & JavaScript framework for building, testing and deploying AI agents and applications with ease, from idea to production.

How much did Mastra raise?: Mastra raised $13M in a Seed round on Oct 8, 2025. Investors include Y Combinator.
Who founded Mastra?: Founder information for Mastra is available on JustRaised.
How do I contact the founders of Mastra?: Verified founder emails and LinkedIn profiles for Mastra are available on a JustRaised paid plan.