diff --git a/.mintignore b/.mintignore
new file mode 100644
index 00000000..84558c9b
--- /dev/null
+++ b/.mintignore
@@ -0,0 +1,5 @@
+# Legacy OpenHands V0 REST API schema. Superseded by the Cloud schema
+# (openapi/openhands-cloud.json) and kept only for historical reference.
+# Excluded so it is not published, indexed, or advertised in the
+# /.well-known/api-catalog linkset.
+openapi/V0_openapi.json
diff --git a/docs.json b/docs.json
index b4554cfe..fc309833 100644
--- a/docs.json
+++ b/docs.json
@@ -702,6 +702,7 @@
     "options": [
       "copy",
       "view",
+      "download-spec",
       "chatgpt",
       "claude"
     ]