diff --git a/support/schemas/submissions.cue b/support/schemas/submissions.cue
new file mode 100644
index 00000000..f00748e0
--- /dev/null
+++ b/support/schemas/submissions.cue
@@ -0,0 +1,25 @@
+package problemformat
+
+import "list"
+
+#person: =~"^[^<]+(<[^>]+>)?$" // "Alice" or "Bob <bob@com>"
+
+#verdict: "AC" | "WA" | "RTE" | "TLE"
+
+#testnode_pattern: =~"[a-zA-Z0-9_/\\*]+" // TODO 
+#Submissions: {
+	language?:   string
+	entrypoint?: string
+	author?: #person | [...#person]
+	#expectation
+	[=~"^(sample|secret|\\*)" & #testnode_pattern]: #expectation
+}
+
+#expectation: {
+	permitted?: [#verdict, ...#verdict] // only these verdicts may appear
+	required?: [#verdict, ...#verdict] // at least one of these verdicts must appear
+	score?: int | [int, int] & list.IsSorted(list.Ascending)
+	use_for_timelmit?: false | "lower" | "upper"
+}
+
+// Play with me at https://cuelang.org/play/?id=3oy3DL9Hx5X#w=function&i=cue&f=eval&o=cue