Open-source tool for AI coding agents that executes Markdown playbooks one step at a time, withholding future instructions and adding human review gates between workflow stages.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
No providers in this market have a Pro-tier plan — try another tier.
Ranked by how closely each one matches Curtain's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Thin market — few comparable priced products; treat statistics as indicative.