Mastra
TypeScript-first AI agent framework with built-in workflows, memory, and RAG — designed for production Node.js and Next.js apps.
Why Mastra?
Building AI agents in TypeScript without switching to Python
You need built-in workflow orchestration alongside agent logic
Next.js projects that want a unified TS agent + RAG solution
Signal Breakdown
What drives the Trust Score
Download Trend
Last 12 months
Tradeoffs & Caveats
Know before you commitPython is your primary language — use PydanticAI or AutoGen
Simple one-shot LLM calls — this framework adds overhead
Pricing
Free tier & paid plans
Open source, free to use
Free & open-source
Alternative Tools
Other options worth considering
Type-safe Python agent framework from the Pydantic team — build agents with structured inputs/outputs validated by Pydantic models.
OpenAI's official Python SDK for building agents with tool calling, handoffs, and tracing — the successor to the Assistants API.
Often Used Together
Complementary tools that pair well with Mastra
Learning Resources
Docs, videos, tutorials, and courses
Get Started
Repository and installation options
View on GitHub
github.com/mastra-ai/mastra
npm install @mastra/coreQuick Start
Copy and adapt to get going fast
import { Mastra } from '@mastra/core';
import { openai } from '@ai-sdk/openai';
const mastra = new Mastra();
const agent = mastra.createAgent({
name: 'assistant',
model: openai('gpt-4o'),
instructions: 'You are a helpful assistant.',
});
const result = await agent.generate('Hello!');
console.log(result.text);Community Notes
Real experiences from developers who've used this tool