ScreenMocks for ChatGPT

com.screenmocks/screenmocks

Design and export App Store / Play Store screenshots, localized across all 48 App Store locales.

client:ChatGPT transport:streamable-http

Install ScreenMocks in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.screenmocks.com/api/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs