EEburyraised$700M·Growth|SStarcloudraised$200M·Growth|FFunraised$72M·Series A|SStandard Intelligenceraised$75M·Series A|NNetomiraised$110M·Series C|PParallel Web Systemsraised$100M·Series B|RRogoraised$160M·Series D|HHightouchraised$150M·Series D|TTrue Anomalyraised$650M·Series D|SSaronicraised$1.75B·Series D|AAvocaraised$125M·Series B|SSiFiveraised$400M·Series G|SSidewinder Therapeuticsraised$137M·Series B|HHermeusraised$350M·Series C|WWHOOPraised$575M·Series G|
MastraMT
MT

Mastra

New

The TypeScript framework for building AI agents

DEVTOOLSSeedEst. 20241-10 employeesRemote

Mastra is an open-source TypeScript agent framework with batteries included — built-in evals, memory, RAG, workflows, and integrations. Engineers use it to build production AI agents without stitching together a dozen separate libraries.

Total Raised$8M
Y CombinatorOpenAI Fund

Founders

D
Dayo Adetoye
J
James Murdoch

Are you the founder?

Add a badge to your site

Show visitors you're featured on Startups.fm.

Featured on Startups.fm — Mastra
← Preview
<a href="https://startups.fm/startups/mastra" target="_blank" rel="noopener noreferrer">
  <img src="https://startups.fm/badge/mastra" alt="Featured on Startups.fm" height="28" />
</a>

Newsletter

5 startups to watch this week

Funding, jobs & what's being built — every Monday.