diff --git a/gns3server/api/routes/mcp/__init__.py b/gns3server/api/routes/mcp/__init__.py
index 0a90b745e..a5c905b07 100644
--- a/gns3server/api/routes/mcp/__init__.py
+++ b/gns3server/api/routes/mcp/__init__.py
@@ -31,6 +31,7 @@ import json
 import asyncio
 import logging
 import socket
+import uuid
 from typing import Any, Annotated
 from urllib.parse import parse_qs
 
@@ -610,7 +611,7 @@ async def compute_list() -> list[dict[str, Any]]:
 
 @mcp.tool()
 async def compute_get(
-    compute_id: Annotated[str, Field(description="Compute UUID from compute_list output")],
+    compute_id: Annotated[uuid.UUID, Field(description="Compute UUID from compute_list output")],
 ) -> list[dict[str, Any]]:
     """Get detailed information about a compute node. Use compute_list first to get the UUID."""
     return await asyncio.to_thread(_run_handler_sync, get_compute_handler, {"compute_id": compute_id})
@@ -619,7 +620,7 @@ async def compute_get(
 @mcp.tool()
 async def compute_images(
     emulator: Annotated[str, Field(description="Emulator type (e.g. qemu, iou, docker)")],
-    compute_id: Annotated[str, Field(description="Compute UUID from compute_list output")],
+    compute_id: Annotated[uuid.UUID, Field(description="Compute UUID from compute_list output")],
 ) -> list[dict[str, Any]]:
     """List available images for an emulator on a compute node."""
     return await asyncio.to_thread(_run_handler_sync, get_compute_images_handler, {