diff --git a/README.md b/README.md
index 4df5538..30bb811 100644
--- a/README.md
+++ b/README.md
@@ -45,5 +45,9 @@ It supports EPUB, PDF, and CBR/CBZ, with metadata editing, reading progress trac
 - Technical status: `docs/TECHNICAL.md`
 - Develop changelog: `docs/changelog-develop.md`
 
+## Disclaimer
+This project was developed entirely with AI-assisted implementation workflows.
+Use it at your own discretion and responsibility, and validate behavior, security, and data handling for your environment before production use.
+
 ## Status
 This repository is actively evolving. The develop documentation reflects implemented behavior in the current codebase.