main.go

package main

import (
	"context"
	"fmt"

	"github.com/mark3labs/mcp-go/mcp"
	"github.com/mark3labs/mcp-go/server"
	grpctransport "github.com/rustycl0ck/mcp-grpc-transport/pkg/mark3labs-transport/grpc"
)

func main() {
	// Create a new MCP server
	s := server.NewMCPServer(
		"Demo 🚀",
		"1.0.0",
		server.WithToolCapabilities(false),
	)

	// Add tool
	tool := mcp.NewTool("hello_world",
		mcp.WithDescription("Say hello to someone"),
		mcp.WithString("name",
			mcp.Required(),
			mcp.Description("Name of the person to greet"),
		),
	)

	// Add tool handler
	s.AddTool(tool, helloHandler)

	srv := grpctransport.NewGrpcServer(s)

	// Start the mcp-grpc server
	if err := srv.Listen(context.Background()); err != nil {
		fmt.Printf("Server error: %v\n", err)
	}
}

func helloHandler(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
	name, err := request.RequireString("name")
	if err != nil {
		return mcp.NewToolResultError(err.Error()), nil
	}

	return mcp.NewToolResultText(fmt.Sprintf("Hello, %s!", name)), nil
}