fix(mcp): suppress AuthlibDeprecationWarning from authlib.jose imports

superset/mcp_service/__init__.py

@@ -34,6 +34,19 @@
 # http://localhost:5009/mcp/
 """
 
+import warnings
+
+# authlib.jose is deprecated in authlib 1.3+ in favour of joserfc, but fastmcp
+# still imports it internally. This filter must live here — it runs when any
+# superset.mcp_service submodule is first imported, which is before fastmcp
+# triggers the authlib.jose import. Placed in __init__.py so both the
+# production server path and test imports get it without duplicating the
+# filterwarnings call in every affected module.
+warnings.filterwarnings(
+    "ignore",
+    message=r"authlib\.jose module is deprecated",
+)
+
 __version__ = "1.0.0"
 
 # Tools are auto-registered when imported by the MCP service

superset/mcp_service/server.py

@@ -75,6 +75,13 @@ def _suppress_third_party_warnings() -> None:
         category=FutureWarning,
         module=r"google\..*",
     )
+    # authlib.jose deprecation warning is suppressed at package init time
+    # (superset/mcp_service/__init__.py), but add it here too for any late
+    # imports that may occur after tool execution begins.
+    warnings.filterwarnings(
+        "ignore",
+        message=r"authlib\.jose module is deprecated",
+    )
 
 
 class FastMCPValidationFilter(logging.Filter):