Claude Code urgently called off dark modifications to Harness that prohibit reverse gaming
Anthropic added rules to Claude Code Opus 5.5's system prompts to prevent cloning games, but this measure only applies to Claude itself and is limited in effect as it cannot prevent other models from participating or accidentally targeting legitimate needs.
Same story4 other outlets also reported this
- ITHome · AI··First
Anthropic limits the recreation of games with the Opus 5.5 model in Claude Code
- QbitAI··+30 h 44 min·Reading now
Claude Code urgently called off dark modifications to Harness that prohibit reverse gaming
Adds:effect limited as cannot stop other models
- Ars Technica · AI··+2 d
Anthropic introduces Claude Code new rules to restrict game cloning, but it is difficult to stop the AI game replication wave
- The Verge · AI··+3 d
Anthropic updated Claude Code's system prompts to prevent AI from replicating specific games
- The Decoder··+3 d
Anthropic bans game cloning in Claude Code to combat the wave of AI replicas
In order of publication · later reports are added as they appear · Compared by AI from each outlet’s title and summary
Source: QbitAI · qbitai.com