{"protocolVersion":"0.2.6","name":"really-agent-number","description":"Persistent US mobile phone numbers for AI agents — same number for SMS and voice. Issued by REALLY, a real wireless carrier. Real cellular numbers, not VOIP.","url":"https://sandbox.agentnumber.really.com/mcp","version":"1.0.0","capabilities":{"streaming":true},"defaultInputModes":["text","text/plain"],"defaultOutputModes":["text","text/plain"],"skills":[{"id":"list_services","name":"List services","description":"List available services, prices, and discovery URLs.","tags":["discovery"]},{"id":"check_availability","name":"Check availability","description":"Return how many phone numbers are currently free.","tags":["discovery"]},{"id":"try_demo","name":"Try demo","description":"Free, no-auth simulated subscribe + send + receive. Shapes match the real endpoints so you can scaffold your integration before paying.","tags":["demo"]},{"id":"subscribe","name":"Subscribe","description":"Pay via x402 or MPP to receive a persistent phone number + bearer token. Wallet is the permanent account identity.","tags":["payment","lifecycle"]},{"id":"auth_nonce","name":"Auth nonce","description":"Get a single-use nonce for wallet-signature recovery.","tags":["auth"]},{"id":"auth","name":"Auth","description":"Recover access via wallet signature. Returns a fresh bearer token.","tags":["auth"]},{"id":"send_sms","name":"Send SMS","description":"Send an SMS from your assigned number.","tags":["sms"]},{"id":"receive_sms","name":"Receive SMS","description":"Long-poll for inbound SMS messages.","tags":["sms"]},{"id":"get_number","name":"Get number","description":"Look up your assigned phone number and subscription.","tags":["discovery"]},{"id":"list_messages","name":"List messages","description":"Read-only message history (sent + received), paginated, newest-first.","tags":["sms"]}],"supportedInterfaces":[{"url":"https://sandbox.agentnumber.really.com/mcp","protocolBinding":"https://modelcontextprotocol.io/specification/basic/transports#streamable-http","protocolVersion":"2025-11-25"}],"securitySchemes":{"bearer":{"type":"http","scheme":"bearer","description":"Bearer token issued by POST /subscribe (after x402 / MPP payment) or POST /auth (wallet-signature recovery)."}},"security":[{"bearer":[]}]}