Main Street AI
liveOpen-source AI platform for nonprofits and small businesses — ten modules designed, five to six built, with the Presence module live as a free public audit tool. Replaces ~$2,800/yr of SaaS at roughly $4–5/month in Claude API cost.
- Per-module Cloudflare Workers with versioned prompt files — prompts are artifacts, not string literals
- D1 schema + migrations; no-build-step frontends
- Companion repo ships an MCP server (audit, health-check, prompt-inspection tools) + Claude Code skills
| stack | Workers · D1 · Claude Haiku · Pages |
|---|---|
| scale | 10 modules designed · 5–6 built · 1 live |
| cost | ~$4–5/mo total to run |