On Saturday, tech entrepreneur Siqi Chen released an open source plug-in for Anthropic’s Claude Code AI assistant that instructs the AI model to stop writing like an AI model. “It’s really handy that Wikipedia went and collated a detailed list of ‘signs of AI writing,’” Chen wrote on X. Spotting the PatternsSo what does AI writing look like? Why AI Writing Detection FailsEven with such a confident set of rules crafted by Wikipedia editors, we’ve previously written about why AI writing detectors don’t work reliably: There is nothing inherently unique about human writing that reliably differentiates it from LLM writing. One reason is that even though most AI language models tend toward certain types of language, they can also be prompted to avoid them, as with the Humanizer skill.