feat: add go helper client and mcp tools

cmd/isphere-mcp/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+
+	"github.com/modelcontextprotocol/go-sdk/mcp"
+
+	"isphere-ai-bridge/internal/mcpserver"
+)
+
+func main() {
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
+	defer stop()
+
+	server := mcpserver.NewServer()
+	if err := server.Run(ctx, &mcp.StdioTransport{}); err != nil {
+		log.Fatalf("isphere mcp server stopped: %v", err)
+	}
+}