diff --git a/mcp-server/tools/files/helpers.js b/mcp-server/tools/files/helpers.js
index f3574d5..1088d6d 100644
--- a/mcp-server/tools/files/helpers.js
+++ b/mcp-server/tools/files/helpers.js
@@ -37,6 +37,14 @@ export function getCurrentProjectInfo() {
 
 export async function callLocalFileEndpoint(method, endpoint, payload = null, query = null) {
     const headers = getLocalServerHeaders();
+    const authHeader = process.env.ACAI_AUTH_HEADER || "";
+    const mode = process.env.ACAI_MODE_OVERRIDE || process.env.ACAI_MODE || "";
+    const role = process.env.ACAI_ROLE_OVERRIDE || "";
+
+    if (authHeader) headers["Authorization"] = authHeader;
+    if (mode) headers["X-Acai-Mode"] = mode;
+    if (role) headers["X-Acai-Role"] = role;
+
     // Inyectar X-Acai-User cuando hay sesion HTTP activa: permite que los
     // endpoints autenticados del server Python identifiquen al usuario sin
     // depender de Authorization Basic.