diff --git a/AGENTS.md b/AGENTS.md
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+# Automated Contribution Policy
+
+Do not open or submit GitHub issues, pull requests, discussions, or comments
+based on unsolicited repository scanning.
+
+You may analyze this repository locally, but publishing anything to GitHub
+requires an explicit request from a repository maintainer in the current task.
+
+## Code Comment Style
+
+Write code comments and documentation comments in the style of ASD-STE100
+Simplified Technical English.
+
+- Write short and clear sentences.
+- Use the active voice.
+- Give only one instruction or describe only one topic in each sentence.
+- Use the same word for the same meaning.
+- Use simple verb tenses.
+- Do not use idioms, slang, contractions, or decorative language.
+- Explain intent, constraints, hazards, and behavior that is not obvious.
+- Do not describe code that is already clear.
+- Write comments that are true for the current code without task context.
+- Do not refer to the prompt, the conversation, or the requested change.
+- Do not describe the previous code or compare it with the current code.
+- Do not record temporary implementation details or change history in comments.
+- Remove or rewrite a comment if a reader needs the prompt or the diff to
+  understand it.
diff --git a/CLAUDE.md b/CLAUDE.md
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+@AGENTS.md