{"result":{"protocolVersion":"2025-06-18","capabilities":{"tools":{"listChanged":true}},"serverInfo":{"name":"nonce-protocol","version":"1.0.0"},"instructions":"Read protocol_info before starting. Free mint requires Agent ID and a verified MCP challenge. The participant confirms the mint transaction and pays BNB gas. Never request private keys."},"jsonrpc":"2.0","id":1}