import json, urllib.request

URL = "http://127.0.0.1:8000/mcp"
HEADERS = {"Content-Type": "application/json", "Accept": "application/json, text/event-stream"}

def post(body, session=None, timeout=120):
    h = dict(HEADERS)
    if session:
        h["mcp-session-id"] = session
    req = urllib.request.Request(URL, data=json.dumps(body).encode(), headers=h, method="POST")
    resp = urllib.request.urlopen(req, timeout=timeout)
    sid = resp.headers.get("mcp-session-id", session)
    result = None
    for raw in resp:
        line = raw.decode("utf-8", "replace").strip()
        if not line or line.startswith(":"):
            continue
        if line.startswith("data:"):
            try:
                d = json.loads(line[5:].strip())
            except Exception:
                continue
            if isinstance(d, dict) and ("result" in d or "error" in d):
                result = d
                break
    return sid, result

sid, _ = post({"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"pi","version":"1.0"}}}, timeout=30)
h = dict(HEADERS); h["mcp-session-id"] = sid
urllib.request.urlopen(urllib.request.Request(URL, data=json.dumps({"jsonrpc":"2.0","method":"notifications/initialized"}).encode(), headers=h, method="POST"), timeout=15).read()
_, res = post({"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}}, session=sid, timeout=60)
for t in res["result"]["tools"]:
    print(t["name"], "::", t.get("description",""))
    print("   input:", json.dumps(t.get("inputSchema",{}).get("properties",{}), ensure_ascii=False))