diff --git a/Workday/workday-mcp/server.py b/Workday/workday-mcp/server.py
index 5e71310..add2a74 100644
--- a/Workday/workday-mcp/server.py
+++ b/Workday/workday-mcp/server.py
@@ -4,32 +4,132 @@ from typing import Any
 # This stays the same - it's your server's identity
 mcp = FastMCP("Workday-Sync")
 
+# Mock dataset with reporting-line relationships for manager checks (WIS-017 prep)
+MOCK_WORKERS: dict[str, dict[str, str]] = {
+    "EMP001": {
+        "name": "Nathan",
+        "status": "Active",
+        "dept": "IT",
+        "email": "nathan@example.com",
+        "manager_id": "EMP010",
+    },
+    "EMP002": {
+        "name": "Terminated User",
+        "status": "Terminated",
+        "dept": "Sales",
+        "email": "user2@example.com",
+        "manager_id": "EMP020",
+    },
+    "EMP003": {
+        "name": "Alicia",
+        "status": "Active",
+        "dept": "IT",
+        "email": "alicia@example.com",
+        "manager_id": "EMP010",
+    },
+    "EMP004": {
+        "name": "Jordan",
+        "status": "Leave",
+        "dept": "Finance",
+        "email": "jordan@example.com",
+        "manager_id": "EMP030",
+    },
+    "EMP010": {
+        "name": "Priya Manager",
+        "status": "Active",
+        "dept": "IT",
+        "email": "priya@example.com",
+        "manager_id": "EMP100",
+    },
+    "EMP020": {
+        "name": "Ramon Director",
+        "status": "Active",
+        "dept": "Sales",
+        "email": "ramon@example.com",
+        "manager_id": "EMP100",
+    },
+    "EMP030": {
+        "name": "Morgan Lead",
+        "status": "Active",
+        "dept": "Finance",
+        "email": "morgan@example.com",
+        "manager_id": "EMP100",
+    },
+    "EMP100": {
+        "name": "Chief Exec",
+        "status": "Active",
+        "dept": "Executive",
+        "email": "ceo@example.com",
+        "manager_id": "",
+    },
+    # Intentional unresolved manager reference for mismatch test scenarios
+    "EMP777": {
+        "name": "Mismatch Case",
+        "status": "Active",
+        "dept": "Operations",
+        "email": "mismatch@example.com",
+        "manager_id": "EMP999",
+    },
+}
+
 @mcp.tool()
 def get_worker_status(employee_id: str) -> dict[str, Any]:
     """
     WIS-009: Fetch structured worker status.
     This replaces the previous string-based version.
     """
-    # 1. Mock Database (WIS-007)
-    mock_workers = {
-        "EMP001": {"name": "Nathan", "status": "Active", "dept": "IT", "email": "nathan@example.com"},
-        "EMP002": {"name": "Terminated User", "status": "Terminated", "dept": "Sales", "email": "user2@example.com"}
-    }
-    
-    # 2. Logic
-    worker = mock_workers.get(employee_id.upper())
-    
-    # 3. Structured Return (WIS-004 Allowlist)
+    worker_id = employee_id.upper()
+    worker = MOCK_WORKERS.get(worker_id)
+
+    # Structured Return (WIS-004 Allowlist)
     if worker:
         return {
-            "employee_id": employee_id.upper(),
+            "employee_id": worker_id,
             "full_name": worker["name"],
             "status": worker["status"],
             "department": worker["dept"],
-            "work_email": worker["email"]
+            "work_email": worker["email"],
+            "manager_id": worker["manager_id"],
         }
-    
+
     return {"error": f"Worker {employee_id} not found."}
 
+
+@mcp.tool()
+def get_worker_manager(employee_id: str) -> dict[str, Any]:
+    """WIS-017 prep: resolve a worker's manager relationship from mock data."""
+    worker_id = employee_id.upper()
+    worker = MOCK_WORKERS.get(worker_id)
+    if not worker:
+        return {"error": f"Worker {employee_id} not found."}
+
+    manager_id = worker.get("manager_id", "")
+    if not manager_id:
+        return {
+            "employee_id": worker_id,
+            "employee_name": worker["name"],
+            "manager_id": "",
+            "manager_name": None,
+            "relationship_status": "no_manager_assigned",
+        }
+
+    manager = MOCK_WORKERS.get(manager_id)
+    if not manager:
+        return {
+            "employee_id": worker_id,
+            "employee_name": worker["name"],
+            "manager_id": manager_id,
+            "manager_name": None,
+            "relationship_status": "manager_not_found",
+        }
+
+    return {
+        "employee_id": worker_id,
+        "employee_name": worker["name"],
+        "manager_id": manager_id,
+        "manager_name": manager["name"],
+        "relationship_status": "ok",
+    }
+
 if __name__ == "__main__":
     mcp.run()
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