diff --git a/mercurial/httppeer.py b/mercurial/httppeer.py
--- a/mercurial/httppeer.py
+++ b/mercurial/httppeer.py
@@ -806,6 +806,10 @@
         if name in ('bundle2',):
             return True
 
+        # Alias command-* to presence of command of that name.
+        if name.startswith('command-'):
+            return name[len('command-'):] in self._descriptor['commands']
+
         return False
 
     def requirecap(self, name, purpose):