diff --git a/docs/server-actions-plan.md b/docs/server-actions-plan.md
index 6f7cad2..32e9884 100644
--- a/docs/server-actions-plan.md
+++ b/docs/server-actions-plan.md
@@ -12,6 +12,7 @@
 | `DELETE /api/komga/favorites` | `removeFromFavorites()` | ✅ Done |
 | `PUT /api/preferences` | `updatePreferences()` | ✅ Done |
 | `POST /api/komga/libraries/[libraryId]/scan` | `scanLibrary()` | ✅ Done |
+| `POST /api/komga/config` | `saveKomgaConfig()` | ✅ Done |
 
 ---
 
diff --git a/src/app/actions/config.ts b/src/app/actions/config.ts
new file mode 100644
index 0000000..65111d4
--- /dev/null
+++ b/src/app/actions/config.ts
@@ -0,0 +1,45 @@
+"use server";
+
+import { revalidatePath } from "next/cache";
+import { ConfigDBService } from "@/lib/services/config-db.service";
+import { ERROR_CODES } from "@/constants/errorCodes";
+import { AppError } from "@/utils/errors";
+import type { KomgaConfig, KomgaConfigData } from "@/types/komga";
+
+interface SaveConfigInput {
+  url: string;
+  username: string;
+  password?: string;
+  authHeader?: string;
+}
+
+/**
+ * Sauvegarde la configuration Komga
+ */
+export async function saveKomgaConfig(
+  config: SaveConfigInput
+): Promise<{ success: boolean; message: string; data?: KomgaConfig }> {
+  try {
+    const configData: KomgaConfigData = {
+      url: config.url,
+      username: config.username,
+      password: config.password,
+      authHeader: config.authHeader || "",
+    };
+    const mongoConfig = await ConfigDBService.saveConfig(configData);
+
+    // Invalider le cache
+    revalidatePath("/settings");
+
+    return {
+      success: true,
+      message: "Configuration sauvegardée",
+      data: mongoConfig,
+    };
+  } catch (error) {
+    if (error instanceof AppError) {
+      return { success: false, message: error.message };
+    }
+    return { success: false, message: "Erreur lors de la sauvegarde" };
+  }
+}
diff --git a/src/app/api/komga/config/route.ts b/src/app/api/komga/config/route.ts
index ffcf62c..7b371fc 100644
--- a/src/app/api/komga/config/route.ts
+++ b/src/app/api/komga/config/route.ts
@@ -1,49 +1,13 @@
 import { NextResponse } from "next/server";
 import { ConfigDBService } from "@/lib/services/config-db.service";
 import { ERROR_CODES } from "@/constants/errorCodes";
-import type { KomgaConfig, KomgaConfigData } from "@/types/komga";
+import type { KomgaConfig } from "@/types/komga";
 import { getErrorMessage } from "@/utils/errors";
-import type { NextRequest } from "next/server";
 import logger from "@/lib/logger";
 
 export const dynamic = "force-dynamic";
 
-export async function POST(request: NextRequest) {
-  try {
-    const data: KomgaConfigData = await request.json();
-    const mongoConfig: KomgaConfig = await ConfigDBService.saveConfig(data);
-
-    return NextResponse.json(
-      { message: "⚙️ Configuration sauvegardée avec succès", mongoConfig },
-      { status: 200 }
-    );
-  } catch (error) {
-    logger.error({ err: error }, "Erreur lors de la sauvegarde de la configuration:");
-    if (error instanceof Error && error.message === "Utilisateur non authentifié") {
-      return NextResponse.json(
-        {
-          error: {
-            code: ERROR_CODES.MIDDLEWARE.UNAUTHORIZED,
-            name: "Unauthorized",
-            message: getErrorMessage(ERROR_CODES.MIDDLEWARE.UNAUTHORIZED),
-          },
-        },
-        { status: 401 }
-      );
-    }
-    return NextResponse.json(
-      {
-        error: {
-          code: ERROR_CODES.CONFIG.SAVE_ERROR,
-          name: "Config save error",
-          message: getErrorMessage(ERROR_CODES.CONFIG.SAVE_ERROR),
-        },
-      },
-      { status: 500 }
-    );
-  }
-}
-
+// GET reste utilisé pour récupérer la config
 export async function GET() {
   try {
     const mongoConfig: KomgaConfig | null = await ConfigDBService.getConfig();
diff --git a/src/components/settings/KomgaSettings.tsx b/src/components/settings/KomgaSettings.tsx
index 07ddbf8..9c1437b 100644
--- a/src/components/settings/KomgaSettings.tsx
+++ b/src/components/settings/KomgaSettings.tsx
@@ -7,6 +7,7 @@ import { Network, Loader2 } from "lucide-react";
 import type { KomgaConfig } from "@/types/komga";
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
 import logger from "@/lib/logger";
+import { saveKomgaConfig } from "@/app/actions/config";
 
 interface KomgaSettingsProps {
   initialConfig: KomgaConfig | null;
@@ -90,31 +91,22 @@ export function KomgaSettings({ initialConfig }: KomgaSettingsProps) {
     };
 
     try {
-      const response = await fetch("/api/komga/config", {
-        method: "POST",
-        headers: {
-          "Content-Type": "application/json",
-        },
-        body: JSON.stringify({
-          url: newConfig.serverUrl,
-          username: newConfig.username,
-          password: newConfig.password,
-        }),
+      const result = await saveKomgaConfig({
+        url: newConfig.serverUrl,
+        username: newConfig.username,
+        password: newConfig.password,
       });
 
-      if (!response.ok) {
-        const data = await response.json();
-        throw new Error(data.error || t("settings.komga.error.message"));
+      if (!result.success) {
+        throw new Error(result.message);
       }
 
-      const savedConfig = await response.json();
-
       setConfig(newConfig);
       setLocalInitialConfig({
         url: newConfig.serverUrl,
         username: newConfig.username,
-        userId: savedConfig.userId,
-        authHeader: savedConfig.authHeader,
+        userId: result.data?.userId || 0,
+        authHeader: result.data?.authHeader || "",
       });
       setIsEditingConfig(false);