
Open-source control surface for AI agents playing Slay the Spire 2. Exposes structured JSON game state, legal actions, state validation, single-writer locking, and no-replay execution through a CLI and local game bridge.
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 spire-ctl'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.