Build a faith companion that lives in iMessage
Flint is a Christian companion people text for prayer, verses and daily check-ins, with no app to download.
Run background agents behind an email-style inbox
Two AWS architects built Pizza Bot, a local app where background agents drop finished work in Unread and approval requests in Action.
- Difficulty
- IntermediateOur rating
- Time to build
- Not reportedOur estimate
- Monthly cost
- Not reported
- Revenue
- Not reportedWe only show revenue the source states
- Engagement
- 61 HN points37 comments · fetched Oct 15, 2026
What they did
It started as a tool to auto-log CRM activities; now any agent runs in the background with your own model provider.
How it went
Open source (Apache 2.0).
Worth knowing
This is the builder launching their own product on HN.
Builder recipe
Our own starting point, written from the source. Adapt it to your setup.
Stack
- Pizza Bot
- Your model provider
Steps
- Give the agent access only to the accounts it needs.
- Write a clear brief with hard constraints.
- Ask it to report back before anything irreversible.
- Review the outcome and refine the brief.
Starter prompt
Every Friday, draft my CRM activity log from this week’s calendar and put it in Action for approval.Tags
Role Knowledge worker
Industry Productivity
Read the original
- Hacker News: news.ycombinator.com/item?id=49713894 ↗ (opens in new tab) Sep 15, 2026 · 61 points, 37 comments (fetched 2026-10-15)
- GitHub: github.com/pizza-bot-app/pizza-bot ↗ (opens in new tab) Sep 15, 2026
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