diff --git a/AGENTS.md b/AGENTS.md
index cc3deb9..585f28a 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -26,6 +26,7 @@ Run these from an ESP-IDF environment with `IDF_PATH` set:
 - Validate behavior on hardware after changes; include manual test steps and results in PR descriptions.
 
 ## Commit & Pull Request Guidelines
+- Commit Messages must follow the [Conventional Commits](https://www.conventionalcommits.org/) specification.
 - Git history shows short, imperative summaries without scopes (e.g., "Initial commit").
 - PRs should include: a short description, hardware/board tested, and any notable serial output or behavior changes. Attach photos/videos when motion behavior changes.