Create a MCP SERVER by go

1. env setting

1. mkdir project folder, cd project folder, and go mod init projectname

   mkdir hello
   cd hello
   go mod init github.com/lqwangxg/go-hello-mcp-server
   

2. mkdir .gemini folder and create .env and setting.json for mcp-server.

   mkdir .gemini
   cd .gemini
   touch .env
   touch setting.json
   

3. create GEMINI.md under project root folder for coding rules like

   • Formatting
   • Naming Conventions
   • Error Handling
   • Simplicity and Clarity
   • Documentation

2. Test MCP Server

1. edit setting.json

   {
     "mcpServers": {
       "helloworld": {
         "stdio": true,
         "command": "./bin/go-helle-mcp-server.exe",
         "timeout": 5000
       }
     }
   }
   

2. run gemini-cli
3. enter /mcp list for checking hello-mcp-server is running.

3. Build Methods

Linux

GOOS=linux GOARCH=amd64 go build -o bin/go-hello-mcp-server main.go

Windows

GOOS=windows GOARCH=amd64 go build -o bin/go-hello-mcp-server.exe main.go