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

Category: devtools

Tags: ux-testing, ai-personas, qa-automation, figma-plugin, mcp-server, playwright

Score: 7.5/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 8)

GhostUser is an open-source tool that uses AI personas to automatically test UX and find bugs in web applications and Figma designs. It combines LLM-powered user simulations with automated QA testing, supporting multiple interfaces including a CLI, Figma plugin, and MCP server for integration with AI coding assistants. The project is interesting for its practical approach to automating user testing with customizable personas and low cost per test.

Target audience: frontend devs, ux designers, product managers, qa engineers

Repository: https://github.com/savkevip/ghostuser · TypeScript · MIT

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