# Quilcast Notes

> What we learn building Quilcast, a small open-source Farcaster client for Hypersnap that runs in the browser.

This blog is published by the makers of [Quilcast](https://quilcast.com).

## Posts

- [What a Farcaster mini app can and can't do inside Quilcast](https://blog.quilcast.com/farcaster-mini-app-sandbox-quilcast.md): How Quilcast hosts Farcaster mini apps: a sandboxed iframe, 26 allowed SDK calls, and wallet checks that refuse Farcaster account signatures. Tested 2026-11-01.