# Viaduct

Project, Worldwide.

> Architecture change sets for AI coding agents
>
> — in its own words, from c4.quietgridlabs.com

- Website: https://c4.quietgridlabs.com/
- Listed since: 2026
- launched: 2026-09-11
- launch post: https://news.ycombinator.com/item?id=49662336
- hn score: 2
- domain created: 2026-07-22
- Last verified: 2026-09-11


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=49662336, read 2026-09-11

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startup.is · https://startup.is/projects/viaduct · open data: /api/v1, /llms.txt