Mastra
The Typescript AI framework.
HQRemote
Team Size24
Open JobsUnknown
Total Funding$500K
Latest Fundraiselast year
The Typescript AI framework.
Product: TypeScript-first open-source framework for building AI agents and agentic applications
Founded: 2024
Headquarters: San Francisco
Team size (reported): About 20–24 employees
Known funding: Pre-Seed round reported (Mar 12, 2025); total funding figures reported vary
Developer tooling and frameworks for agentic AI applications
2024
Developer tools / AI infrastructure
Reported Pre-Seed round announced Mar 12, 2025; separate reporting on a $13M seed announced Oct 8, 2025 exists in evidence but is a later/distinct report.