Mastra

An open-source TypeScript framework for agents, durable typed workflows, RAG, memory, MCP, evals and observability, built by the team behind Gatsby. A commercial platform adds hosted deployment, a visual Studio and enterprise controls.

Website

https://mastra.ai

Who it's for

TypeScript/JavaScript teams building production agents who want a batteries-included framework with an optional hosted platform.

Pricing

Core free (Apache-2.0; enterprise directories require a commercial licence). Cloud freemium: Starter $0/mo (100K observability events, 24 CPU hrs), Teams $250/mo, Enterprise custom.

Category

Agent frameworks & orchestration

Last verified

2026-10-22 (current)

Confidence

high

Key facts

• TypeScript/JavaScript
• Core Apache-2.0, with commercially licensed enterprise directories
• Durable typed workflows, agents, RAG, memory, evals, MCP
• Model router covering thousands of models
• Teams plan includes SSO and SOC 2 documentation

Sources

Every claim above is drawn from these; we do not publish unsourced specifications.

• https://mastra.ai/pricing
• https://github.com/mastra-ai/mastra

Notes & uncertainties

Dual licence: Apache-2.0 covers the core only. Cloud overages are metered separately.

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