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README.md

Chainlink Price Oracle Agent

Provides real-time cryptocurrency price data by reading Chainlink price feeds directly from Ethereum mainnet. Demonstrates on-chain data integration with an aixyz agent gated behind x402 payments.

Quick Start

bun install

# Create .env.local with your keys
cat > .env.local <<EOF
OPENAI_API_KEY=sk-...
X402_PAY_TO=0xYourAddress
X402_NETWORK=eip155:8453
EOF

bun run dev

Project Structure

app/
├── agent.ts        # Agent with Chainlink price lookup tool
├── tools/
│   └── lookup.ts   # Reads Chainlink price feeds on Ethereum mainnet
└── icon.png

Skills

Skill Example
Chainlink Price Lookup "What is the current price of ETH?"
"Look up the price of BTC"
"Get me the latest LINK price"

Environment Variables

Variable Description
OPENAI_API_KEY OpenAI API key
X402_PAY_TO Payment destination address
X402_NETWORK Payment network (e.g., eip155:8453)

API Endpoints

Endpoint Description
/.well-known/agent-card.json A2A agent card
POST /agent A2A JSON-RPC endpoint
POST /mcp MCP tool endpoint

Payment

Charges $0.01 per request via x402. Payment destination is configured via environment variables.

Build & Deploy

bun run build
vercel