diff --git a/tests/mcp/test_tool_contracts.py b/tests/mcp/test_tool_contracts.py
index 9194bb7b..75380196 100644
--- a/tests/mcp/test_tool_contracts.py
+++ b/tests/mcp/test_tool_contracts.py
@@ -109,6 +109,7 @@ EXPECTED_TOOL_SIGNATURES: dict[str, list[str]] = {
         "content",
         "directory",
         "project",
+        "workspace",
         "project_id",
         "tags",
         "note_type",