AI Copycat Crackdown: Claude Code's New Rule and Its Limits
This update gives developers a bit more breathing room against fast-turnaround AI clones, but without broader industry safeguards, the copycat problem may simply shift to other tools.
This update gives developers a bit more breathing room against fast-turnaround AI clones, but without broader industry safeguards, the copycat problem may simply shift to other tools.
Key points - Anthropic added a rule to Claude Code that prohibits recreating specific existing games, even if renamed. - The rule, codenamed 'tengu_heron_brook,' cannot be disabled by users. - Addy Osmani said two sentences were added to Claude Code's prompt on Opus 5.5 to prevent IP infringement. - Steam Next Fest last month was flooded with low-effort AI games, leading some developers to cancel demos. - Valve is aware of the situation but has only suggested developers focus on building communities.
Timeline - Last month: Steam Next Fest demo showcase was flooded with low-effort games and AI slop. - Recently: Anthropic updated Claude Code with a rule against recreating existing games. - Now: Developers worry about workarounds and other AI agents without safeguards.
FAQ
Q: Can I still make original games with Claude Code? A: Yes. The rule explicitly allows original games, games within a genre, and games built from your own designs and assets.
Q: Why did Anthropic add this rule? A: Using Claude to infringe intellectual property violates the company's policy, and AI clones have become a major problem for developers.
Q: Does this mean AI copycat games are gone for good? A: Not necessarily. Users may find workarounds, and other AI agents without such safeguards are still available.
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