Lily Protocol

Autonomous Agent Finance Infrastructure

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1. Overview

Lily Protocol is an on-chain financial infrastructure built on the Stellar network that enables AI agents (AgentLily) to own wallets, hold USDC, execute payments, and transact autonomously.

The protocol provides:

• AI agent wallet provisioning (AgentLily instances)
• Autonomous USDC payments
• Machine-to-machine settlement
• API and tool purchasing
• Agent identity infrastructure

Lily Protocol functions as a Web3-native financial layer where autonomous software agents (AgentLily) can transact, purchase services, and settle payments programmatically in real time using Stellar.

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2. Problem Statement

Traditional payment infrastructure relies on:

• Credit cards and manual billing
• Human authorization workflows
• Centralized payment providers
• Delayed settlement systems
• Limited support for micro-transactions

Limitations:

• AI agents cannot natively own programmable wallets
• Machine-to-machine commerce is difficult to automate
• Existing payment systems are not optimized for autonomous software
• Global access to payment infrastructure remains restricted
• Autonomous agents cannot independently purchase APIs or digital services

There is no decentralized infrastructure enabling AI agents to transact autonomously using stablecoins.

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3. Solution

Lily Protocol introduces an autonomous wallet infrastructure model powered by AgentLily:

• Developers instantiate AI agents called AgentLily
• Each AgentLily is assigned a native Stellar wallet
• Agents receive programmable USDC balances
• AgentLily executes payments autonomously based on task logic
• APIs and digital tools can be purchased programmatically
• Transactions settle transparently on-chain

The system combines smart contracts, wallet orchestration, AgentLily identity layer, and payment execution services.

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4. High-Level Architecture

mermaid
flowchart TD
    A[Developer Application] --> B[Lily SDK]
    B --> C[Lily Orchestrator]

    C --> D[Wallet Provisioning Service]
    C --> E[Payment Execution Engine]
    C --> F[AgentLily Identity Layer]

    D --> G[AgentLily Instance]

    E --> H[Soroban Smart Contract]
    H --> I[Stellar Network]

    I --> J[Horizon Listener]
    J --> K[(PostgreSQL Database)]

    E --> L[API Marketplace]
    E --> M[External Tool Providers]

    C --> N[AI Model Layer]
    N --> O[OpenAI / Claude / Gemini]

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5. Repositories

| Repo | Description |
| ---------------------- | ------------------------------------------------------------------ |
| lily-frontend | Dashboard and developer-facing web application |
| lily-backend | Agent orchestration, wallet management, and payment services |
| lily-contracts | Soroban smart contracts for settlement and AgentLily wallet infra |
| lily-sdk | SDK for integrating autonomous payments into AI applications |
| agentlily-runtime | Runtime layer where AgentLily instances execute autonomous actions |

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