Mastra

Mastra is a comprehensive TypeScript framework designed for developing AI-powered applications and autonomous agents. Created by the team behind Gatsby, it provides a modern stack that integrates seamlessly with frontend and backend frameworks like React, Next.js, and Node.js. Key features include model routing across 40+ providers (OpenAI, Anthropic, Gemini), autonomous agents with tool usage, graph-based workflows with human-in-the-loop capabilities, context management with conversation history and RAG, MCP server support, and built-in production essentials like evals and observability. It supports deployment as standalone servers or integration into existing applications, making it suitable for both prototyping and production-scale AI products.