Godot's AI code policy: 1.27% merge rate sets IP cleanliness bar for open-source engines
Summary
Godot maintainer Rémi Verschelde clarified the engine is not "vibe-coded" - AI contributions are tightly gated, not freely accepted
Only 47 of 3,700 PRs across two release cycles carried AI disclosures (1.27%), all under heightened review before merge
A stricter policy is incoming: "a bit more restrictive, but not strictly a blanket ban" - copyright assertability is now the hard filter
For studios using Godot as middleware, this is a verifiable supply chain signal on open-source IP hygiene
"Any slop PR is automatically rejected, as simple as that"
01
What the policy allows - and what it blocks
Contributions made entirely via ChatGPT, Claude, Grok or equivalents are prohibited outright
Permitted uses are narrow: translation, single-line completion, debugging, and targeted information lookup
Contributors must understand, test, and commit to maintaining any code they submit
"If a PR has an AI disclosure, or signs of undisclosed AI usage, it gets scrutinized more as we mechanically trust it less"
02
Copyright assertability is the hard commercial line
Godot requires contributors to assert copyright over submitted code - a bar AI-heavy contributions structurally cannot clear
Unresolvable authorship in merged code creates downstream IP liability for every studio shipping on the engine
The 1.27% AI-disclosed merge rate shows the filter operating in practice, not just in policy text
Godot's paper trail on AI exclusions becomes a diligence artifact for studios evaluating open-source middleware
03
A stricter policy is already drafted
Verschelde confirmed a more detailed generative AI policy is in preparation and will be published soon
Framing is "a bit more restrictive, but not strictly a blanket ban" - nuance, not prohibition
The trigger was February 2025, when Verschelde called AI slop PRs overwhelming for maintainers
Studios on Godot should track the release to recalibrate contribution hygiene assumptions for live projects
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