
Mastra
Builds AI agents with reasoning, memory, and action capabilities in TypeScript.

What is Mastra?
Mastra is an Agent Frameworks tool that builds AI agents with reasoning, memory, and action capabilities in TypeScript. Mastra is free to use. It is aimed at developers, product teams and enterprise users.
Mastra is a framework for creating AI-powered agents and applications. It offers memory, tools, MCP, and observability to transition from prototype to production. The platform supports workflows, streaming, evaluations, and an interactive development UI.
Built for developers, product teams and enterprise users.
Key capabilities
Features
Agents
Enables creation of AI agents that reason, remember, and act.
Evals
Real-world agents
Developer Infra
Memory
Includes memory capabilities for agents.
Tools
Offers tools for agent development.
MCP
Provides a framework for managing agent workflows.
Observability
Enables monitoring and tracking of agent activities.
Streaming
Supports real-time data streaming for agents.
Tracing
Allows tracking of agent actions and processes.
Studio
Interactive UI for development and testing of agents.
Use cases
- Develop AI agents that can reason and act in real-world scenarios
- Create applications with memory and observability features
- Implement workflows and streaming capabilities in agent development
- Utilize evaluations to assess agent performance
Who it's for
Pros & cons
Pros
- Free plan available
- Integrates with GitLab, Jira, Vercel, OpenAI, and Anthropic
Cons
No documented limitations yet.
Pricing
Free.
| Plan | Price |
|---|---|
| Free | Free |
| Enterprise | Custom |
| Studio | Free |
| Enterprise Support | Custom |
Developer & API
Open source· 28.6K stars· 2.9K forks
Security & compliance
- SOC 2
- SSO
As stated on Mastra's website — not independently verified by AiByts.
FAQ
What is Mastra?
Mastra is an Agent Frameworks tool that builds AI agents with reasoning, memory, and action capabilities in TypeScript. Mastra is a framework for creating AI-powered agents and applications. It offers memory, tools, MCP, and observability to transition from prototype to production. The platform supports workflows, streaming, evaluations, and an interactive development UI.
Is Mastra free?
Yes, Mastra is free to use.
How much does Mastra cost?
Mastra offers 4 plans: Free (Free), Enterprise (Custom), Studio (Free) and Enterprise Support (Custom).
Who should use Mastra?
Mastra is built for developers, product teams and enterprise users. Common uses: develop AI agents that can reason and act in real-world scenarios, create applications with memory and observability features, implement workflows and streaming capabilities in agent development and utilize evaluations to assess agent performance.
What does Mastra integrate with?
Mastra integrates with GitLab, Jira, Vercel, OpenAI and Anthropic.
Is Mastra open source?
Yes, Mastra is open source.
What are the best alternatives to Mastra?
Similar tools on AiByts include Spectrum, Clawdi, PandaProbe, Appwrite and Cadenya.
Details are compiled from Mastra's website and public sources, last verified Oct 5, 2026. Features and pricing change — confirm on the official site before you buy.
Try Mastra
Free
Tags
- AI Agents
- TypeScript
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