Hello MCP Go ๐
About
Hello MCP Go ๐ is a demonstration MCP (Model Context Protocol) server written in Go. It provides two tools (hello and calculate) and serves as a starting point for developers building their own MCP servers.
Details
- License
- MIT
Explore
- hello tool accepting Submitter and Content parameters
- calculate tool accepting A and B numeric parameters
- Built entirely in Go
- Ready-to-run example for MCP protocol exploration
- Integrates with GitHub Copilot Agent mode
- Clone
- Install
- Build
- Run
1. Clone the repository:
git clone https://github.com/your-username/hello-mcp-go.git
cd hello-mcp
2. Install dependencies:
go mod tidy
3. Build the project:
go build -ldflags="-s -w" -o server.exe main.go
or for Linux:
go build -ldflags="-s -w" -o server main.go
You will use this later when you want to consume it from Visual Studio Code.
1. Run the server:
./server
- hello, takes the parameters Submitter and Content.
- calculate, takes the parameters A and B. Example use is "calculate 2 and 4".
Welcome to the Hello MCP Go repository! ๐ This project demonstrates how to build an MCP (Model Context Protocol) server in Go. Whether you're a Go enthusiast or just curious about MCP, you're in the right place! ๐ ๏ธ
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What is this? ๐ค
This repository showcases:
- How to build an MCP server using Go ๐น.
- A simple and fun way to explore MCP Protocol ๐ฎ.
- A starting point for your own custom MCP server adventures! ๐
Tools ๐
- hello, takes the parameters Submitter and Content.
- calculate, takes the parameters A and B. Example use is "calculate 2 and 4".
Quick Start ๐
- Clone
- Install
- Build
- Run
1. Clone the repository:
git clone https://github.com/your-username/hello-mcp-go.git
cd hello-mcp
2. Install dependencies:
go mod tidy
3. Build the project:
go build -ldflags="-s -w" -o server.exe main.go
or for Linux:
go build -ldflags="-s -w" -o server main.go
You will use this later when you want to consume it from Visual Studio Code.
1. Run the server:
./server
Consuming the Server with GitHub Copilot Agent Mode ๐ด
1. Place yourself in mcp.json, make sure the server has been built (right now it's adjusted).
1. Adjust the "command" to point to the absolute path of your executable.
{
"servers": {
"my-mcp-server-d73c20f3": {
"type": "stdio",
"command": "/path/to/your/executable"
}
}
}
1. Open Copilot and select Agent in dropdown
1. Select the play icon.
You should see the tool icon showing two tools.
1. Test it with a phrase like so "calculate 2 and 4". This should present a button that invokes the tool on the server.

Have Fun! ๐
This project is all about learning and having fun. Feel free to experiment, break things, and create something amazing! ๐
Happy coding! ๐ป
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