A simple chatbot project I built to learn how the Mastra framework and Vercel AI SDK work together. The chatbot has a fitness coach persona and includes a basic BMI calculator tool.
What I Learned
- How to define agents and tools with Mastra
- How the Vercel AI SDK’s
useChathook manages chat state - How to format responses for the AI SDK data stream protocol
Tech Stack
- Next.js, React, Tailwind CSS
- Mastra framework with OpenAI GPT-4o-mini
- Zod for tool input/output validation
For more details, see my learning notes.