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Fix MCP scopes cache sentinel that broke tools/list.

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Reuse a stable _UNSET sentinel and unwrap http_json envelopes so auth scope filtering works.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-08-03 18:50:40 +08:00
parent d2fb33ec0d
commit 66f26b738d
3 changed files with 49 additions and 10 deletions
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18
packages/netx-mcp/src/netx_mcp/server.py
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@ -40,14 +40,22 @@ def _err(rid: Any, code: int, message: str) -> None:
sys.stdout.flush()
_UNSET = object()
def _fetch_scopes() -> list[str] | None:
"""Return granted scopes from /v1/auth/me, or None if the call fails (show all tools)."""
try:
data = http_json("GET", "/v1/auth/me")
scopes = data.get("scopes") if isinstance(data, dict) else None
envelope = http_json("GET", "/v1/auth/me")
if not isinstance(envelope, dict) or not envelope.get("ok"):
return None
data = envelope.get("data")
if not isinstance(data, dict):
return None
scopes = data.get("scopes")
if isinstance(scopes, list):
return [str(s) for s in scopes]
user = data.get("user") if isinstance(data, dict) else None
user = data.get("user")
if isinstance(user, dict) and isinstance(user.get("scopes"), list):
return [str(s) for s in user["scopes"]]
except Exception:
@ -56,11 +64,11 @@ def _fetch_scopes() -> list[str] | None:
def run_stdio_loop() -> None:
cached_scopes: list[str] | None | object = object()
cached_scopes: list[str] | None | object = _UNSET
def scopes() -> list[str] | None:
nonlocal cached_scopes
if cached_scopes is object():
if cached_scopes is _UNSET:
cached_scopes = _fetch_scopes()
return cached_scopes # type: ignore[return-value]