An MIT-licensed collection of 60 Claude Code skills and 145 tested engines. It emphasizes fail-closed behavior, self-tests, and measurable detection of agent tooling failures, with no dependencies or telemetry.
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 Toolbay Stack'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.