# Sandcastles (sandcastles.ai)

Finds viral short videos in your niche and helps you remix them into new ones.

- Site: https://sandcastles.ai/
- Categories: faceless-shorts
- Agent-ready: llms.txt no; MCP registry no; public API unknown
- Traffic: 247.3K visits/month (2026-09, seektool.ai category pages (Similarweb estimate), read 2026-11-02)
- First seen: 2026-11-02; site checked 2026-11-02

Page: https://fourthfeed.com/tools/sandcastles.ai