npm install shadowfeed-agent

npx tsx -e "const {generateKeypair}=require('x402-stacks'); console.log(generateKeypair('mainnet'))"

{
  "privateKey": "abc123...",
  "address": "SP...",
  "network": "mainnet"
}

import { ShadowFeed } from 'shadowfeed-agent';

const sf = new ShadowFeed({
  privateKey: process.env.AGENT_PRIVATE_KEY!,
  network: 'mainnet',
  agentName: 'My First Agent',
});

async function main() {
  // See what's available
  const feeds = await sf.discover();
  console.log(`${feeds.length} feeds available`);

  // Buy BTC sentiment (cheapest at 0.003 STX)
  const result = await sf.buy('btc-sentiment');
  console.log('Fear & Greed Index:', result.data.fear_greed_index);
  console.log('BTC Price:', result.data.btc_price_usd);
  console.log('Market Trend:', result.data.market_trend);
}

main().catch(console.error);

AGENT_PRIVATE_KEY=your_hex_key npx tsx my-agent.ts

16 feeds available
Fear & Greed Index: 12
BTC Price: 104928
Market Trend: bearish