
AI AGENTS
by Mastra
Open-source TypeScript framework and platform for building AI-powered applications and agents.
Mastra is presented as a TypeScript AI framework and platform for building AI-powered applications and agents. Its official site describes primitives for workflows, agents, workspaces, and observability, while its agent-framework page describes it as an open-source TypeScript framework for building AI-powered applications and agents. The GitHub source describes Mastra as coming from the team behind Gatsby and using a modern TypeScript stack.
Use Mastra when you want to build AI agents or AI-powered applications with a TypeScript-based framework. Use it when you need framework primitives for agents, workflows, workspaces, and observability. Evaluate it when comparing open-source AI agent frameworks for a modern TypeScript stack.
Last updated May 31, 2026