AI tooling must be disclosed for contributions

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@@ -13,6 +13,40 @@ we can always convert that to an issue later.
 > time to fixing bugs, maintaining features, and reviewing code, I do kindly
 > ask you spend a few minutes reading this document. Thank you. ❤️
 
+## AI Assistance Notice
+
+> [!IMPORTANT]
+>
+> If you are using **any kind of AI assistance** to contribute to Ghostty,
+> it must be disclosed in the pull request.
+
+If you are using any kind of AI assistance while contributing to Ghostty,
+**this must be disclosed in the pull request**, along with the extent to
+which AI assistance was used (e.g. docs only vs. code generation).
+If PR responses are being generated by an AI, disclose that as well.
+As a small exception, trivial tab-completion doesn't need to be disclosed,
+so long as it is limited to single keywords or short phrases.
+
+An example disclosure:
+
+> This PR was written primarily by Claude Code.
+
+Or a more detailed disclosure:
+
+> I consulted ChatGPT to understand the codebase but the solution
+> was fully authored manually by myself.
+
+Failure to disclose this is first and foremost rude to the human operators
+on the other end of the pull request, but it also makes it difficult to
+determine how much scrutiny to apply to the contribution.
+
+In a perfect world, AI assistance would produce equal or higher quality
+work than any human. That isn't the world we live in today, and in most cases
+it's generating slop. I say this despite being a fan of and using them
+successfully myself (with heavy supervision)!
+
+Please be respectful to maintainers and disclose AI assistance.
+
 ## Quick Guide
 
 **I'd like to contribute!**