add mcp (Model Context Protocol) support

pkg/settings/setting.go

@@ -234,6 +234,10 @@ type Config struct {
 	EnableGZip       bool
 	EnableRequestLog bool
 
+	// MCP
+	EnableMCPServer     bool
+	MCPAllowedRemoteIPs []*core.IPPattern
+
 	// Database
 	DatabaseConfig     *DatabaseConfig
 	EnableQueryLog     bool
@@ -377,6 +381,12 @@ func LoadConfiguration(configFilePath string) (*Config, error) {
 		return nil, err
 	}
 
+	err = loadMCPServerConfiguration(config, cfgFile, "mcp")
+
+	if err != nil {
+		return nil, err
+	}
+
 	err = loadDatabaseConfiguration(config, cfgFile, "database")
 
 	if err != nil {
@@ -540,6 +550,35 @@ func loadServerConfiguration(config *Config, configFile *ini.File, sectionName s
 	return nil
 }
 
+func loadMCPServerConfiguration(config *Config, configFile *ini.File, sectionName string) error {
+	config.EnableMCPServer = getConfigItemBoolValue(configFile, sectionName, "enable_mcp", false)
+	mcpAllowedRemoteIps := getConfigItemStringValue(configFile, sectionName, "mcp_allowed_remote_ips", "")
+
+	if mcpAllowedRemoteIps != "" {
+		remoteIPs := strings.Split(mcpAllowedRemoteIps, ",")
+		config.MCPAllowedRemoteIPs = make([]*core.IPPattern, 0, len(remoteIPs))
+
+		for i := 0; i < len(remoteIPs); i++ {
+			ip := strings.TrimSpace(remoteIPs[i])
+			pattern, err := core.ParseIPPattern(ip)
+
+			if err != nil {
+				return err
+			}
+
+			if pattern == nil {
+				continue
+			}
+
+			config.MCPAllowedRemoteIPs = append(config.MCPAllowedRemoteIPs, pattern)
+		}
+	} else {
+		config.MCPAllowedRemoteIPs = nil
+	}
+
+	return nil
+}
+
 func loadDatabaseConfiguration(config *Config, configFile *ini.File, sectionName string) error {
 	dbConfig := &DatabaseConfig{}