Show HN: Open-source iPhone app that streams Claude like the Siri app

I spent the past year building Swift Chat, a Swift package that recreates iMessage exactly. This week, I added an assistant style for AI apps. Exactly like the new Siri app, the question bubble animates into the top of the screen, and then the agent's response streams underneath in Markdown.Starter app is about 300 lines and MIT licensed. It streams Claude over server-sent events with URLSession, handles photo input, keeps the API keys, and stores the API keys in Keychain. SwiftChat itself is free to use.The hardest part was probably scroll view management. The view has to reserve space underneath the question so the answer can stream in, like you would expect. Also, new words have a nice animation like the Siri app.Here's a video. https://unionst.com/swiftchat/assistant/

Comments URL: https://news.ycombinator.com/item?id=49974970

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