{"name": "smsriver-mcp", "description": "SMSRiver Model Context Protocol (MCP) server for phone number intelligence and temporary SMS inboxes.", "version": "1.0.0", "protocolVersion": "2024-11-05", "endpoint": "https://smsriver.com/api/v1/mcp/", "capabilities": {"tools": true, "resources": true, "prompts": false}, "tools": [{"name": "inspect_phone_number", "description": "Inspect and normalize a phone number with E.164 formatting, carrier attribution, and line type classification.", "inputSchema": {"type": "object", "properties": {"phone": {"type": "string", "description": "Phone number in international or national format"}, "country": {"type": "string", "description": "Optional 2-letter ISO country code"}}, "required": ["phone"]}}, {"name": "list_inbox_messages", "description": "Retrieve recent SMS verification codes and messages received by a public test inbox.", "inputSchema": {"type": "object", "properties": {"phone_digits": {"type": "string", "description": "E.164 phone digits without leading plus"}, "limit": {"type": "integer", "description": "Max messages to return (1-50)"}}, "required": ["phone_digits"]}}, {"name": "calculate_sms_segments", "description": "Calculate SMS segment count, character encoding (GSM-7 or UCS-2), and billable segments.", "inputSchema": {"type": "object", "properties": {"text": {"type": "string", "description": "SMS message body"}}, "required": ["text"]}}]}