diff --git a/SCOPE.md b/SCOPE.md
index 00c085e..684a2dd 100644
--- a/SCOPE.md
+++ b/SCOPE.md
@@ -67,3 +67,11 @@ New State Hub-local workplans use `STATE-WP-####`.
 Migrated legacy State Hub workplans may temporarily retain `CUST-WP-####`
 identifiers when preserving existing State Hub workstream and task IDs is the
 least confusing path.
+
+
+```capability
+type: tool
+title: Read-model orientation brief rendering
+description: scripts/generate_custodian_brief.py and make brief-generate/brief-check render or check a repository brief from the current State Hub read model with explicit path and slug. They perform no Git or hub writes, reject unavailable or malformed reads, and preserve prior briefs on failure. This is not staged-source or scheduled generation.
+keywords: [orientation, briefs, read-model, generation, validation]
+```