┌──────────────┐     ┌──────────────┐     ┌──────────────┐     ┌──────────────┐
│  ERC-8004    │ --> │  MCP Server  │ --> │  USDC Tip    │ --> │  Reputation  │
│  Identity    │     │  (SSE)       │     │  (ERC-20)    │     │  Registry    │
│  Registry    │     │              │     │              │     │              │
│  agentId     │     │  cheer_me_up │     │  0.001 USDC  │     │ giveFeedback │
│  tokenURI    │     │  confirm_tip │     │  6 chains    │     │ on-chain     │
│  agentWallet │     │  report_fbk  │     │              │     │ reputation   │
└──────────────┘     └──────────────┘     └──────────────┘     └──────────────┘
    Discover              Call                  Tip                Feedback

cd server
npm install
node index.mjs
# MCP SSE: http://localhost:3004/sse
# REST API: http://localhost:3004/api/cheer

docker build -t mood-booster-agent .
docker run -p 3004:3004 mood-booster-agent

cd scripts && npm install

# Dry-run: discover → call MCP → on-chain feedback (no USDC tip)
node discover_and_tip.mjs --agent-id 23139 --chain bsc --wallet-key 0xYOUR_KEY --dry-run

# Full loop: discover → call → tip → confirm → feedback
node discover_and_tip.mjs --agent-id 23139 --chain bsc --wallet-key 0xYOUR_KEY

# Skip feedback
node discover_and_tip.mjs --agent-id 23139 --chain bsc --wallet-key 0xYOUR_KEY --no-feedback

curl https://oc-001.tail177fbd.ts.net/mcp/api/cheer
curl "https://oc-001.tail177fbd.ts.net/mcp/api/cheer?category=joke"

{
  "mcpServers": {
    "mood-booster": {
      "type": "sse",
      "url": "https://oc-001.tail177fbd.ts.net/mcp/sse"
    }
  }
}

> Cheer me up!
> Tell me a programming joke
> How do I tip this agent?

import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { SSEClientTransport } from "@modelcontextprotocol/sdk/client/sse.js";

const transport = new SSEClientTransport(new URL("https://oc-001.tail177fbd.ts.net/mcp/sse"));
const client = new Client({ name: "my-agent", version: "1.0.0" });

await client.connect(transport);
const result = await client.callTool({ name: "cheer_me_up", arguments: { category: "random" } });
console.log(result.content[0].text);
await client.close();

import { ethers } from "ethers";

const registry = new ethers.Contract(
  "0x8004A169FB4a3325136EB29fA0ceB6D2e539a432",
  ["function tokenURI(uint256) view returns (string)"],
  new ethers.JsonRpcProvider("https://bsc-dataseed.binance.org/")
);

const uri = await registry.tokenURI(23139);  // agentId on BSC
const metadata = JSON.parse(atob(uri.split(",")[1]));
console.log(metadata.services[0].endpoint);  // → MCP endpoint URL

├── server/                 # MCP Server (Express + SSE)
│   ├── index.mjs           # Main server — 6 MCP tools
│   ├── messages.json       # Message library (32 messages, 4 categories)
│   └── package.json
├── scripts/                # Client tools
│   ├── discover_and_tip.mjs  # Full loop: discover → call → tip → feedback
│   ├── test_mcp.mjs          # Quick MCP connection test
│   ├── update_uri.mjs        # Update on-chain agentURI
│   └── gen_wallets.mjs       # Generate test wallets
├── metadata/
│   └── mood_agent.json     # Agent metadata (stored on-chain as base64)
├── Dockerfile              # Container build
├── deploy.sh               # One-click deploy to server
└── restart.sh              # Server restart script