mcp connect issue cert

src/fgai/graylog_mcp.py

@@ -9,13 +9,22 @@ from urllib import error, request
 class GraylogMcpClient:
     """Small Streamable HTTP MCP client used for Graylog connection checks."""
 
-    def __init__(self, url: str, token: str, *, timeout: int = 15, verify_tls: bool = True) -> None:
+    def __init__(self, url: str, token: str, *, timeout: int = 15, verify_tls: bool = True, use_proxy: bool = False) -> None:
         self.url = url.rstrip("/")
         self.token = token
         self.timeout = timeout
         self.verify_tls = verify_tls
+        self.use_proxy = use_proxy
         self.session_id: str | None = None
 
+    def _open(self, req: request.Request, context: ssl.SSLContext | None):
+        if self.use_proxy:
+            return request.urlopen(req, timeout=self.timeout, context=context)
+        handlers = [request.ProxyHandler({})]
+        if context is not None:
+            handlers.append(request.HTTPSHandler(context=context))
+        return request.build_opener(*handlers).open(req, timeout=self.timeout)
+
     def _call(self, method: str, params: dict[str, object] | None = None, *, notification: bool = False) -> dict[str, object]:
         payload: dict[str, object] = {"jsonrpc": "2.0", "method": method}
         if not notification:
@@ -33,7 +42,7 @@ class GraylogMcpClient:
         req = request.Request(self.url, data=json.dumps(payload).encode("utf-8"), method="POST", headers=headers)
         try:
             context = None if self.verify_tls else ssl._create_unverified_context()
-            with request.urlopen(req, timeout=self.timeout, context=context) as response:
+            with self._open(req, context) as response:
                 self.session_id = response.headers.get("Mcp-Session-Id", self.session_id)
                 body = response.read().decode("utf-8")
         except error.HTTPError as exc: