This is a Model Context Protocol (MCP) server implementation written in ReScript. It demonstrates best practices for:

• Server initialization and configuration
• Tool registration and management
• Error handling and logging
• Resource cleanup

• Node.js 18+
• pnpm, npm, or yarn

1. Install dependencies:

   pnpm install
   # or
   npm install
   # or
   yarn install

2. Build the ReScript files:

   pnpm res:build
   # or
   npm run res:build
   # or
   yarn res:build

3. Start the server:

   pnpm start
   # or
   npm start
   # or
   yarn start

For development with automatic rebuilding and the MCP inspector:

pnpm dev
# or
npm run dev
# or
yarn dev

• src/MCP_SDK.res - ReScript bindings for @modelcontextprotocol/sdk
• src/Index.res - Main server entry point
• src/examples/ - Example tool implementations
  • Calculator.res - Simple calculator tool
  • RestApi.res - REST API interaction example

To add a new tool, follow the pattern in the example files:

1. Define a schema using rescript schema
2. Implement the tool handler function
3. Register the tool with the server in Index.res