{"name":"Controller AI Marketplace","description":"Execute AI workflows on demand, paid per run via the Machine Payments Protocol (MPP). One fixed charge per execution settles over Tempo (USDC) or Stripe (USD card); failed runs are fully refunded. completed_with_error runs are terminal but not refunded. No accounts, no API keys — agents pay and run.","links":{"skill":"https://mpp.getcontroller.ai/skill.md","workflows":"https://mpp.getcontroller.ai/workflows","llms":"https://mpp.getcontroller.ai/llms.txt"}}