Build an MCP Server in Node.js & TypeScript: A Practical HazelJS Tutorial

📰 Dev.to · Muhammad Arslan

Learn to build an MCP server in Node.js and TypeScript using HazelJS, enabling exposure of existing TypeScript classes to various Model Contexts

intermediate Published 9 May 2026
Action Steps
  1. Install HazelJS using npm or yarn to set up the environment
  2. Create a new TypeScript class to expose to the MCP server
  3. Configure the HazelJS server to use the created class
  4. Test the MCP server using a client like Cursor or Claude Desktop
  5. Deploy the MCP server to a production environment using a process manager like PM2
  6. Monitor and debug the server using logging and error handling tools
Who Needs to Know This

Backend developers and full-stack engineers can benefit from this tutorial to integrate HazelJS with their Node.js and TypeScript projects, enhancing their application's functionality

Key Insight

💡 HazelJS allows seamless integration of TypeScript classes with Model Contexts like Cursor and Claude Desktop

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🚀 Build an MCP server in Node.js & TypeScript with HazelJS! 🤖

Full Article

Expose your existing TypeScript classes to Cursor, Claude Desktop, and any other Model Context...
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