diff --git a/pallas/log.py b/pallas/log.py
index 25ed3eb..8a8f8f0 100644
--- a/pallas/log.py
+++ b/pallas/log.py
@@ -141,6 +141,7 @@ class _HealthAccessFilter(logging.Filter):
     (Ouranos Red Panda standard).  Suppresses:
 
     * Successful probes to ``/live``, ``/ready``, ``/metrics``
+    * Successful ``GET /.well-known/mcp/server.json`` — registry discovery polls
     * Successful ``POST /mcp`` calls — the MCP endpoint is single-route, every
       Daedalus health poll and tool call lands there.  Pallas already emits
       its own structured ``mcp_request_start`` / ``mcp_request_complete`` logs
@@ -150,7 +151,7 @@ class _HealthAccessFilter(logging.Filter):
     ``/mcp`` is a real signal.
     """
 
-    _HEALTH_PATH_RE = re.compile(r'"GET /(?:live|ready|metrics)(?:/|\?|\s|")')
+    _HEALTH_PATH_RE = re.compile(r'"GET /(?:live|ready|metrics|\.well-known/mcp/server\.json)(?:/|\?|\s|")')
     _MCP_RE = re.compile(r'"POST /mcp(?:/|\?|\s|")')
     _SUCCESS_STATUS_RE = re.compile(r'" (?:1\d\d|2\d\d|3\d\d)(?:\s|$)')