WhatsApp Go MCP

package cmd import ( "net/http" ) // corsMiddleware adds CORS headers required by Smithery.ai func corsMiddleware(next http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // Set CORS headers as required by Smithery w.Header().Set("Access-Control-Allow-Origin", "*") w.Header().Set("Access-Control-Allow-Credentials", "true") w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS") w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization, mcp-session-id, mcp-protocol-version, *") w.Header().Set("Access-Control-Expose-Headers", "mcp-session-id, mcp-protocol-version") // Handle preflight requests if r.Method == "OPTIONS" { w.WriteHeader(http.StatusOK) return } // Pass to the next handler next.ServeHTTP(w, r) }) }