Tell your AI agents to stop using these 11 overused fonts

yuwen_lu_ · x · 2026-11-04

yuwenlu shares a blacklist of fonts AI agents keep reaching for, a telltale sign of AI-generated web pages: serif fonts Instrument Serif, Playfair Display, DM Serif Display, Libre Baskerville, and Cormorant Garamond; sans-serifs Montserrat, Public Sans, Poppins, Lato, Space Grotesk, and Schibsted Grotesk.

Drop the list into your agent's system prompt or design guidelines to avoid instantly recognizable template-y output.

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