diff --git a/src/server.ts b/src/server.ts
index 02371a7..6cb5315 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -1350,16 +1350,16 @@ export async function startMcpServer(config: ServerConfig): Promise<void> {
 
   s.tool(
     'mirror_export',
-    "Walks the CODESYS project tree and writes one .st file per code-bearing object into a filesystem mirror, preserving the project tree as nested directories. Programs / Function Blocks / Functions / Methods / Properties / DUTs / GVLs / Interfaces all become text files; structural nodes (Devices, Applications, Folders) become directories. Each file carries a header comment with its original CODESYS project path so a future write-back tool can map it back to set_pou_code's pouPath. Read-only -- does NOT modify the CODESYS project. UTF-8 output. If mirrorRoot is omitted, defaults to '<projectDir>/MCP/mirror'.",
+    "Walks the CODESYS project tree and writes one .st file per code-bearing object into a filesystem mirror, preserving the project tree as nested directories. Programs / Function Blocks / Functions / Methods / Properties / DUTs / GVLs / Interfaces all become text files; structural nodes (Devices, Applications, Folders) become directories. Each file carries a header comment with its original CODESYS project path so a future write-back tool can map it back to set_pou_code's pouPath. Read-only -- does NOT modify the CODESYS project. UTF-8 output. If mirrorRoot is omitted, defaults to '<projectDir>/mcp-mirror'.",
     {
       projectFilePath: z.string().describe("Path to the project file."),
-      mirrorRoot: z.string().optional().describe("Filesystem path where the mirror tree gets written. If omitted, defaults to '<projectDir>/MCP/mirror'. Created automatically if missing; existing files at the same paths are overwritten."),
+      mirrorRoot: z.string().optional().describe("Filesystem path where the mirror tree gets written. If omitted, defaults to '<projectDir>/mcp-mirror'. Created automatically if missing; existing files at the same paths are overwritten."),
     },
     async (args: { projectFilePath: string; mirrorRoot?: string }) => {
       const escaped = resolvePath(args.projectFilePath, workspaceDir);
       const mirrorRoot = args.mirrorRoot
         ? resolvePath(args.mirrorRoot, workspaceDir)
-        : path.join(path.dirname(escaped), 'MCP', 'mirror');
+        : path.join(path.dirname(escaped), 'mcp-mirror');
       const script = scriptManager.prepareScriptWithHelpers(
         'mirror_export',
         {