FastMCP vs Mastra

Side-by-side comparison of two AI agent tools

Short answer

  • Mastra is growing faster: +969 GitHub stars in the last 30 days vs +180 for FastMCP.
  • Pick FastMCP for: the fast, Pythonic way to build MCP servers and clients. Pick Mastra for: from the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents.

From GitHub data refreshed daily.

F
FastMCPopen-source

🚀 The fast, Pythonic way to build MCP servers and clients.

Mastrafree

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

Metrics

FastMCPMastra
Stars28.0k28.5k
Star velocity /mo180969.2063492063492
Commits (90d)4904.0k
Releases (6m)1010
Overall score0.75517267208039660.9035663973807672

Pros

    • +统一的多提供商接口支持 40+ AI 模型提供商，避免供应商锁定
    • +完整的 AI 应用工具链包括代理、工作流、人机交互和上下文管理
    • +TypeScript 原生支持和现代技术栈集成，开发体验优秀

    Cons

      • -作为相对较新的框架，生态系统和社区资源可能有限
      • -多功能集成可能带来学习曲线，需要时间掌握各个组件
      • -文档和最佳实践可能还在完善中，缺少大规模生产案例

      Use Cases

        • •构建需要多个 AI 模型协作的复杂智能代理系统
        • •开发需要人机交互审批流程的自动化工作流应用
        • •快速原型验证 AI 产品概念并扩展到生产环境
        View FastMCP DetailsView Mastra Details

        FAQ

        Which is more popular, FastMCP or Mastra?
        Mastra has more GitHub stars (28,498 vs 27,958).
        Which is more actively developed, FastMCP or Mastra?
        Mastra had more commits in the last 90 days (4,044 vs 490).
        Should I use FastMCP or Mastra?
        Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.