diff --git a/pkg/models/ai_config.go b/pkg/models/ai_config.go
index 6bc52af..3ebe9ed 100644
--- a/pkg/models/ai_config.go
+++ b/pkg/models/ai_config.go
@@ -1,7 +1,9 @@
 package models
 
 import (
+	"fmt"
 	"log"
+	"strings"
 
 	"github.com/sujit-baniya/fiber-boilerplate/app"
 	"gorm.io/gorm"
@@ -70,39 +72,62 @@ func GetActiveAiConfig(provider string) (*AiConfig, error) {
 	return &item, nil
 }
 
+// SplitModulos parte el campo Modulo (comma-separated) en un slice limpio.
+// "" → [] (config global), "landing,query_runner" → ["landing","query_runner"]
+func SplitModulos(modulo string) []string {
+	var out []string
+	for _, s := range strings.Split(modulo, ",") {
+		if s = strings.TrimSpace(s); s != "" {
+			out = append(out, s)
+		}
+	}
+	return out
+}
+
+// JoinModulos normaliza y une un slice de módulos en comma-separated.
+func JoinModulos(modules []string) string {
+	var clean []string
+	for _, s := range modules {
+		if s = strings.TrimSpace(s); s != "" {
+			clean = append(clean, s)
+		}
+	}
+	return strings.Join(clean, ",")
+}
+
 // GetAiConfigForService retorna la config activa asignada al módulo indicado.
 // Lógica de prioridad:
-//  1. Config activa con modulo == service (exclusiva del servicio)
+//  1. Config activa con modulo conteniendo service (puede ser comma-separated)
 //  2. Config activa con modulo == "" (global, fallback)
 //  3. Cualquier config activa (último recurso)
 func GetAiConfigForService(service string) (*AiConfig, error) {
-	var item AiConfig
+	var items []AiConfig
+	if err := app.Http.Database.DB.Where("is_active = ?", true).Order("id ASC").Find(&items).Error; err != nil {
+		return nil, fmt.Errorf("error leyendo ai_configs: %w", err)
+	}
+	if len(items) == 0 {
+		return nil, fmt.Errorf("no hay configs de IA activas")
+	}
 
-	// 1. Buscar config específica para el servicio
+	// 1. Config específica para el servicio (puede tener varios módulos)
 	if service != "" {
-		err := app.Http.Database.DB.
-			Where("is_active = ? AND modulo = ?", true, service).
-			First(&item).Error
-		if err == nil {
-			return &item, nil
+		for i := range items {
+			for _, m := range SplitModulos(items[i].Modulo) {
+				if m == service {
+					return &items[i], nil
+				}
+			}
 		}
 	}
 
-	// 2. Buscar config global (modulo vacío)
-	err := app.Http.Database.DB.
-		Where("is_active = ? AND (modulo = '' OR modulo IS NULL)", true).
-		First(&item).Error
-	if err == nil {
-		return &item, nil
+	// 2. Config global (modulo vacío = sin restricción de servicio)
+	for i := range items {
+		if strings.TrimSpace(items[i].Modulo) == "" {
+			return &items[i], nil
+		}
 	}
 
 	// 3. Cualquier config activa como último recurso
-	err = app.Http.Database.DB.
-		Where("is_active = ?", true).
-		First(&item).Error
-	if err != nil {
-		log.Printf("[AI_CONFIG] No se encontró config activa para servicio '%s': %v", service, err)
-		return nil, err
-	}
-	return &item, nil
+	log.Printf("[AI_CONFIG] No se encontró config para servicio '%s', usando cualquier activa", service)
+	return &items[0], nil
 }
diff --git a/resources/views/ai_config.html b/resources/views/ai_config.html
index 47ca1ed..cdceaac 100644
--- a/resources/views/ai_config.html
+++ b/resources/views/ai_config.html
@@ -64,14 +64,22 @@
                         <tr class="hover:bg-gray-50 transition">
                             <td class="py-2 px-3 font-medium" x-text="item.nombre"></td>
                             <td class="py-2 px-3">
-                                <span class="px-2 py-0.5 rounded-full text-xs font-semibold"
-                                    :class="{
-                                        'bg-blue-100 text-blue-700': item.modulo === 'landing',
-                                        'bg-[#e9f0cf] text-[#5a7a1e]': item.modulo === 'query_runner',
-                                        'bg-gray-100 text-gray-500': !item.modulo
-                                    }"
-                                    x-text="item.modulo === 'landing' ? 'Landing' : item.modulo === 'query_runner' ? 'Query Runner' : 'Global'">
-                                </span>
+                                <template x-if="!item.modulo">
+                                    <span class="px-2 py-0.5 rounded-full text-xs font-semibold bg-gray-100 text-gray-500">Global</span>
+                                </template>
+                                <template x-if="item.modulo">
+                                    <div class="flex flex-wrap gap-1">
+                                        <template x-for="m in item.modulo.split(',').filter(x => x.trim())" :key="m">
+                                            <span class="px-2 py-0.5 rounded-full text-xs font-semibold"
+                                                :class="{
+                                                    'bg-blue-100 text-blue-700': m.trim() === 'landing',
+                                                    'bg-[#e9f0cf] text-[#5a7a1e]': m.trim() === 'query_runner'
+                                                }"
+                                                x-text="m.trim() === 'landing' ? 'Landing' : m.trim() === 'query_runner' ? 'Query Runner' : m.trim()">
+                                            </span>
+                                        </template>
+                                    </div>
+                                </template>
                             </td>
                             <td class="py-2 px-3">
                                 <span class="px-2 py-0.5 rounded-full text-xs font-semibold"
@@ -174,15 +182,29 @@
                     </div>
 
                     <div>
-                        <label class="block text-xs font-medium text-gray-600 mb-1">Módulo / Servicio</label>
-                        <select x-model="form.modulo"
-                            class="w-full border border-gray-300 rounded-lg px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-[#8eb02f]">
-                            <option value="">Global (usado por todos como fallback)</option>
-                            <option value="landing">Landing Generator</option>
-                            <option value="query_runner">Query Runner SQL</option>
-                        </select>
+                        <label class="block text-xs font-medium text-gray-600 mb-2">Módulo / Servicio</label>
+                        <div class="border border-gray-200 rounded-lg p-3 space-y-2 bg-gray-50">
+                            <label class="flex items-center gap-2 cursor-pointer select-none">
+                                <input type="checkbox"
+                                    :checked="form.modulos.length === 0"
+                                    @change="form.modulos = []"
+                                    class="rounded text-[#8eb02f] focus:ring-[#8eb02f]">
+                                <span class="text-sm text-gray-700">Global</span>
+                                <span class="text-[10px] text-gray-400 ml-1">— fallback para todos los servicios</span>
+                            </label>
+                            <template x-for="opt in moduleOptions" :key="opt.value">
+                                <label class="flex items-center gap-2 cursor-pointer select-none">
+                                    <input type="checkbox"
+                                        :value="opt.value"
+                                        :checked="form.modulos.includes(opt.value)"
+                                        @change="toggleModulo(opt.value)"
+                                        class="rounded text-[#8eb02f] focus:ring-[#8eb02f]">
+                                    <span class="text-sm text-gray-700" x-text="opt.label"></span>
+                                </label>
+                            </template>
+                        </div>
                         <p class="text-[10px] text-gray-400 mt-1">
-                            Asigna esta IA a un servicio específico. "Global" actúa de fallback cuando un servicio no tiene IA propia.
+                            "Global" actúa de fallback. Si seleccionas servicios específicos, solo se usará para ellos.
                         </p>
                     </div>
                 </div>
@@ -231,7 +253,12 @@ function aiConfigApp() {
         search: '',
         showModal: false, editItem: null, deleteId: null,
         errorMsg: '', successMsg: '', formError: '',
-        form: { nombre: '', provider: '', api_key: '', base_url: '', model_name: '', is_active: true, notes: '', modulo: '' },
+        form: { nombre: '', provider: '', api_key: '', base_url: '', model_name: '', is_active: true, notes: '', modulos: [] },
+
+        moduleOptions: [
+            { value: 'landing',      label: 'Landing Generator' },
+            { value: 'query_runner', label: 'Query Runner SQL'  },
+        ],
 
         async init() { await this.load() },
 
@@ -249,16 +276,28 @@ function aiConfigApp() {
 
         goPage(p) { this.page = p; this.load() },
 
+        toggleModulo(value) {
+            const idx = this.form.modulos.indexOf(value)
+            if (idx >= 0) {
+                this.form.modulos.splice(idx, 1)
+            } else {
+                this.form.modulos.push(value)
+            }
+        },
+
         openAdd() {
             this.editItem = null
-            this.form = { nombre: '', provider: 'qwen', api_key: '', base_url: '', model_name: 'qwen2.5-72b-instruct', is_active: true, notes: '', modulo: '' }
+            this.form = { nombre: '', provider: 'qwen', api_key: '', base_url: '', model_name: 'qwen2.5-72b-instruct', is_active: true, notes: '', modulos: [] }
             this.formError = ''
             this.showModal = true
         },
 
         openEdit(item) {
             this.editItem = item
-            this.form = { nombre: item.nombre, provider: item.provider, api_key: '', base_url: item.base_url, model_name: item.model_name, is_active: item.is_active, notes: item.notes, modulo: item.modulo || '' }
+            const modulos = item.modulo
+                ? item.modulo.split(',').map(s => s.trim()).filter(s => s)
+                : []
+            this.form = { nombre: item.nombre, provider: item.provider, api_key: '', base_url: item.base_url, model_name: item.model_name, is_active: item.is_active, notes: item.notes, modulos }
             this.formError = ''
             this.showModal = true
         },
@@ -267,9 +306,11 @@ function aiConfigApp() {
 
         async save() {
             this.saving = true; this.formError = ''
+            const payload = { ...this.form, modulo: this.form.modulos.join(',') }
+            delete payload.modulos
             const url = this.editItem ? `/app/ai-config/${this.editItem.ID}` : '/app/ai-config'
             const method = this.editItem ? 'PUT' : 'POST'
-            const res = await fetch(url, { method, headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(this.form) })
+            const res = await fetch(url, { method, headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) })
             const data = await res.json()
             this.saving = false
             if (!res.ok) { this.formError = data.error || 'Error guardando'; return }
diff --git a/rest/controllers/ai_config_controller.go b/rest/controllers/ai_config_controller.go
index bf8a394..3d23495 100644
--- a/rest/controllers/ai_config_controller.go
+++ b/rest/controllers/ai_config_controller.go
@@ -106,7 +106,7 @@ func CreateAiConfigHandler(c *fiber.Ctx) error {
 		ModelName: strings.TrimSpace(req.ModelName),
 		IsActive:  req.IsActive,
 		Notes:     req.Notes,
-		Modulo:    strings.TrimSpace(req.Modulo),
+		Modulo:    models.JoinModulos(strings.Split(req.Modulo, ",")),
 	}
 	if err := models.CreateAiConfig(&item); err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
@@ -143,7 +143,7 @@ func UpdateAiConfigHandler(c *fiber.Ctx) error {
 		"model_name": strings.TrimSpace(req.ModelName),
 		"is_active":  req.IsActive,
 		"notes":      req.Notes,
-		"modulo":     strings.TrimSpace(req.Modulo),
+		"modulo":     models.JoinModulos(strings.Split(req.Modulo, ",")),
 	}
 	if strings.TrimSpace(req.ApiKey) != "" {
 		updates["api_key"] = strings.TrimSpace(req.ApiKey)