diff --git a/AGENTS.md b/AGENTS.md
index b4a3497..e8e8b5f 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -63,6 +63,10 @@ cmake --build --preset windows-msvc-default --config Debug --target clean
 
 ## Code Navigation
 
+Codex has a repo-specific skill named `panopainter-code-navigation`. Use it when
+following C++ symbols, finding symbol families with regular expressions, tracing
+service/interface wiring, or checking platform/backend boundary usage.
+
 Prefer compiler-aware navigation when following C++ symbols across the legacy
 flat source tree and extracted components: