# Stackfacts

> Sourced, dated, reproducible facts for choosing software components: price, free tier, idle rules, security record, whether an agent can set it up alone. No paid placement. Not benchmarks.

## Use as a tool
- MCP (streamable HTTP): https://stackfacts.dev/mcp
- HTTP: https://stackfacts.dev/api/facts and https://stackfacts.dev/api/facts?category=<id>

## Comparisons
- [Hosting for a new web app: six options compared](https://stackfacts.dev/app-hosting): Vercel, Netlify, Railway, Render, Fly.io, Cloudflare Workers. Checked 2026-10-03. JSON: https://stackfacts.dev/app-hosting.json
- [Login for a Next.js app: six options compared](https://stackfacts.dev/nextjs-auth): Better Auth, Auth.js / NextAuth, Clerk, WorkOS AuthKit, Supabase Auth, Auth0. Checked 2026-10-03. JSON: https://stackfacts.dev/nextjs-auth.json
- [A hosted database for a new web app: five options compared](https://stackfacts.dev/postgres-hosting): Neon, Supabase, PlanetScale, Turso, Prisma Postgres. Checked 2026-10-03. JSON: https://stackfacts.dev/postgres-hosting.json

## About
- [About Stackfacts](https://stackfacts.dev/about): who publishes this, how facts are checked and counted, funding.