Mastra
ActiveDescription
Mastra is a TypeScript-first agent platform that combines workflows, memory, RAG, evaluation, and deployment for scalable full-stack AI agent applications.
Key Features
- Model routing — Unified interface to 40+ providers (OpenAI, Anthropic, Gemini etc.), supports model switching and comparison
- Agent framework — Build autonomous agents with tool use, reasoning chains, and auto-iteration with stop conditions
- Graph workflow engine — DAG-based multi-step orchestration with `.then()`, `.branch()`, `.parallel()` control flow
- Human-in-the-loop — Suspend workflows for user input/approval, persistent execution state via storage for resume
- MCP Server support — Expose agents and tools as Model Context Protocol servers for external system integration
- Evaluation & observability — Built-in evals framework and observability module for continuous agent performance monitoring
Use Cases
💡 Build full-stack AI SaaS apps with Next.js frontend and Mastra backend agents
💡 Multi-step data processing pipelines such as document parsing → info extraction → content generation
💡 Customer service automation with agents handling tickets and suspending for human approval on complex cases
💡 Enterprise knowledge base Q&A combining RAG retrieval and memory for contextual conversations
💡 AI product evaluation and quality monitoring through built-in evals for continuous output quality tracking
Strengths & Limitations
✅ Strengths
- • Actively maintained, recent updates
- • High community interest (27.7k stars)
- • Established track record (2 years in production)
⚠️ Limitations
- • No clear open-source license
Tags
Categories
Quick Start
```bash
npm create mastra@latest
```