{"ok":true,"name":"roastify_purchase_credits","description":"Buy credits via Bitcoin Lightning. Creates a Lightning invoice. Pay it with any Lightning wallet, then call check_payment to confirm. Proof of npub ownership is required so credits land in the correct ledger. Free — no credits required to call.","inputSchema":{"type":"object","required":["npub"],"properties":{"npub":{"type":"string","description":"The Nostr public key (npub1...) the credits will fund."},"amount_sats":{"type":"integer","default":1000,"description":"Satoshis to purchase (default 1000)."}},"additionalProperties":false},"serverUrl":"https://roastify.tollbooth-dpyc.com/mcp","transport":"http","handshake":"ok","host":"roastify.tollbooth-dpyc.com","score":40,"grade":"C","auth":"api-key","lastScannedAt":"2026-10-30T13:08:40.589Z","stale":false,"permalink":"https://agentboardai.app/mcp/roastify.tollbooth-dpyc.com/roastify_purchase_credits","page":"https://agentboardai.app/site/roastify.tollbooth-dpyc.com"}