SMRTR ProgrammingJun 3, 2026Hacker News

GhostUser – AI personas that find UX bugs by walking your app

SMRTR summary

GhostUser simulates five AI personas (newbie, buyer, power user, skeptic, rushed PM) to catch UX and QA issues early. It runs as a Figma plugin, CLI agent, or MCP server, with full tests costing just $0.10–$0.25.

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