# 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