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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 ACurrent 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