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Mastra

MastraOpen source

In one line

A TypeScript framework for AI applications and agents.

  • Free
  • 2 sources
  • GitHub stars, read on 2026-10-15: 28,835

What is Mastra?

Mastra's site is mastra.ai and the repository is mastra-ai/mastra. GitHub describes it as a TypeScript framework for AI applications and agents. The API returned no usable SPDX id, so this entry does not fill in a license.

What can you use Mastra for?

  • Write agents in TypeScript
  • Embed an agent in an existing web app
  • Choose it when you are not starting from a Python framework

Mastra pricing and usage limits

Free

The software itself is free to obtain. Model API calls, if any, are billed by the model provider.

This site never quotes prices. Confirm amounts on the official site.

Sources checked

These pages were opened during verification. Details may have changed; the official pages win.

Sources last checked for this entry:

This date records a check of this entry against the linked sources. It does not mean hands-on testing, continuous monitoring, or a security audit. How sources are checked

Picked by shared tags. This is not a recommendation order.

  • OpenAI Agents SDK

    OpenAIOpen source

    Build multi-agent workflows with tools, handoffs, and execution traces in code.

    FreeMIT
  • AgentScope

    AgentScope TeamOpen source

    A Python framework for observable and controllable agent applications.

    FreeApache-2.0
  • CrewAI

    CrewAIOpen source

    GitHub stars, read on 2026-10-15: 59,737

    A framework for orchestrating role-based agents. MIT.

    FreemiumMIT