Skip to main content
groundrulesOpen the builder →

The core loop stays free

Building, exporting, and sharing ground rules is the point — it will never sit behind a paywall. Pro pays for the things that cost us money: inference, storage, and time.

Free

The whole core loop. It stays this way.

$0 / forever

  • Full builder + the whole block catalog
  • Every export target — AGENTS.md, CLAUDE.md, Copilot, Cursor, system prompt
  • Enforcement artifacts: .claude/settings.json + ESLint rails
  • Share links, import & reverse-compile
  • Test Drive with your own API key (BYOK)
  • Saved configs in your library
Start building

Pro

Persistence, scale, and inference — never the core loop.

$6 / month

  • Everything in Free
  • Hosted Test Drive — 25 Claude runs/day, no API key
  • Version history for your configsrolling out
  • Private blocksrolling out
  • You keep an indie tool alive
Sign in & upgrade

Payments handled by Polar, our merchant of record — VAT and sales tax included. Cancel anytime from the customer portal.

Building with a team?

A Team plan — org catalog, shared packs, GitHub sync — ships when enough of you ask for it. Leave your email and be the reason.