Create who.py

mcp/who.py

@@ -0,0 +1,17 @@
+# mcp/who.py
+"""
+WHO Global Health Observatory (GHO) OData API helper.
+Example: fetch essential medicines list or Covid stats.
+"""
+
+import httpx
+from typing import Dict, List
+
+BASE = "https://ghoapi.azureedge.net/api"
+
+async def list_essential_medicines() -> List[Dict]:
+    url = f"{BASE}/EML"
+    async with httpx.AsyncClient(timeout=20) as client:
+        r = await client.get(url)
+        r.raise_for_status()
+        return r.json()["value"]  # list of medicines