diff --git a/AGENTS.md b/AGENTS.md
index 05a4030..c02ea43 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -43,6 +43,8 @@
 - Stage new files that Nix discovers through flake evaluation before testing.
   Flake evaluation ignores untracked files, so auto-loaded modules must be tracked before
   `nixos-rebuild --flake` can see them.
+- After modifying Nix files, run `bazel run //src/natu:natu -- <paths>`.
+  Pass every modified Nix path as an argument.
 
 ## General guidelines