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Mastra

What it is

Mastra is an open-source framework designed to help developers build, deploy, and manage AI agents. It focuses on providing a unified platform for agent orchestration, tool integration, and observability.

What problem it solves

It addresses the challenges of fragmented AI development by offering a cohesive set of tools for building reliable agents, connecting them to various data sources and APIs, and monitoring their performance.

Where it fits in the stack

Framework / Agent Platform.

Typical use cases

  • Agentic Workflows: Building complex multi-step workflows that can be monitored and managed.
  • TypeScript-Native Agents: Ideal for teams working with a modern TypeScript/Next.js stack.
  • Enterprise Agent Platforms: Providing a unified platform for multi-agent systems with built-in observability.

Strengths

  • Unified Platform: Combines orchestration, tools, and monitoring in a single framework.
  • Focus on Reliability: Provides features for building robust and predictable AI agents.
  • Developer Experience: Designed to be easy for developers to integrate into their existing workflows.

Limitations

  • Newer Framework: The ecosystem of pre-built integrations is still being established.
  • Platform Overhead: Introduces its own concepts and patterns that developers must learn.

When to use it

  • When you want a complete platform for building and managing AI agents.
  • When you value built-in observability and monitoring for your AI applications.

When not to use it

  • For quick, one-off AI experiments where a lighter framework might be faster.
  • If you already have established tools for orchestration and monitoring.

Getting started

Installation

npx create-mastra@latest

Basic Example (Manual Setup)

import { Mastra, Agent } from '@mastra/core';

const agent = new Agent({
  name: 'Assistant',
  instructions: 'You are a helpful assistant.',
  model: {
    provider: 'OPEN_AI',
    name: 'gpt-4',
  },
});

const mastra = new Mastra({
  agents: [agent],
});

const response = await agent.generate('Tell me about Mastra.');
console.log(response.text);

Licensing and cost

  • Open Source: Yes (Apache 2.0 License)
  • Cost: Free
  • Self-hostable: Yes

Sources / References

Contribution Metadata

  • Last reviewed: 2026-05-07
  • Confidence: high