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Mastra

Mastra is an active AI developer-tooling company building an open-source TypeScript framework and platform for creating, deploying, observing, and improving AI agents.
San Francisco, United States
Current stage: Series AFunded in the last 6 months

Current Funding Stage

Series A

Current recognized equity stage. The rounds below remain the historical funding record.

Funding Rounds

Funding Round: Series A
Funding Date: 9 Apr, 2026
Raised Amount: $22M

Funding Round: Seed
Funding Date: 8 Oct, 2025
Raised Amount: $13M

Investors