From de315450a44d3800f026b1d17c92ffadb5c9b7e1 Mon Sep 17 00:00:00 2001
From: Blizzard <blizzardzhang@icloud.com>
Date: Sat, 18 Jul 2026 16:25:32 +0800
Subject: [PATCH] =?UTF-8?q?fix(mcp-py):=20NATS=5FURL=20=E9=80=97=E5=8F=B7?=
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Python nats.py 不像 Go 客户端会自动拆逗号串,把 nats://a:4222,nats://a:4223 整串当单
URL 解析端口 → ValueError: Port '4222,nats:' → invalid connect url,mcp-py 崩溃重启循环。
按逗号拆成 servers 列表传入即可。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 sundynix-mcp-py/src/sundynix_mcp_py/mcp_gateway.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sundynix-mcp-py/src/sundynix_mcp_py/mcp_gateway.py b/sundynix-mcp-py/src/sundynix_mcp_py/mcp_gateway.py
index 0801dff..60d1c09 100644
--- a/sundynix-mcp-py/src/sundynix_mcp_py/mcp_gateway.py
+++ b/sundynix-mcp-py/src/sundynix_mcp_py/mcp_gateway.py
@@ -62,9 +62,12 @@ class McpGateway:
 
     async def serve(self, url: str | None = None) -> None:
         url = url or os.getenv("NATS_URL", "nats://localhost:4222")
+        # NATS_URL 可为逗号分隔的多节点（集群）；Go 客户端能识别逗号串，Python nats.py 不会，
+        # 须拆成列表传给 servers，否则把整串当单 URL 解析端口时报 "invalid connect url"。
+        servers = [u.strip() for u in url.split(",") if u.strip()]
         # 容忍服务先于 NATS 启动：无限重连 + 等待间隔。
         self._nc = await nats.connect(
-            url,
+            servers,
             allow_reconnect=True,
             max_reconnect_attempts=-1,
             reconnect_time_wait=1,