Solo product person. I build useful tools for myself and others with Claude Code and Codex.Chat with Multiple AI, a Chrome extension that sends one prompt to several AI web chats:
https://chromewebstore.google.com/detail/pcpciffaliaooacnhiefjiegigjidehp
Public pages and selector config: https://github.com/yesgenius/use-multiple-chat-ai-at-once/tree/main/docs