What it sells
The Javascript framework for building AI agents, from the Gatsby devs
Business model breakdown
Buyer: who owns the budget?
UnverifiedEngineering teams / AI platform leads.
Trigger: what makes them buy now?
Need to build, observe and evaluate production TypeScript agents.
Workflow: what inputs become what output?
Build agents/workflows with open source framework, deploy on Mastra Platform, observe traces, run evals.
Economics: what it saves and how it charges
Open-source Apache 2.0 framework drives paid platform and enterprise licenses.
Distribution: how it reaches customers
Open source self-serve, free tier, workshops/templates, contact sales for enterprise.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Winter 2025 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.