{"name":"Feeless402 Rail Quote","description":"Read-only x402 pricing agent (Agent Card v0.3, A2A): send it any x402 (HTTP 402 Payment Required) API URL and it fetches the live payment quote without paying, then prices the same call on every rail the server offers - gas rails floor micro-prices; the feeless Nano (XNO) rail quotes the true metered amount. Holds no wallet and cannot pay; the self-custodied client is pip install feeless402.","url":"https://feeless402.com/a2a","version":"1.0.0","provider":{"organization":"Feeless402"},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"authentication":{"schemes":["none"]},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"skills":[{"id":"0855433a-3928-4b1d-9660-08d9d0f007a8","name":"Quote an x402 endpoint across rails","description":"Give it an x402 API URL (optionally with a JSON body). It returns the endpoint live 402 quote - full offer menu, XNO price, destination - plus a per-rail payer-cost comparison. Read-only: nothing is paid.","tags":["x402","pricing","402","nano","rails"]}]}