Building an AI-Curated Newsletter

1. Collect — Fetch latest articles from RSS feeds
2. Filter — AI selects the top 5-10 by relevance and importance
3. Summarize — Summarize each article in 2-3 lines
4. Send — Insert summaries into a newsletter template and email them out

import Parser from 'rss-parser';

const parser = new Parser();

const FEEDS = [
  'https://techcrunch.com/feed/',
  'https://news.ycombinator.com/rss',
  'https://blog.anthropic.com/rss.xml',
  // Add any feeds you want
];

async function collectArticles() {
  const articles = [];

  for (const feedUrl of FEEDS) {
    const feed = await parser.parseURL(feedUrl);
    for (const item of feed.items.slice(0, 10)) {
      articles.push({
        title: item.title,
        link: item.link,
        content: item.contentSnippet || item.content,
        date: item.pubDate,
        source: feed.title,
      });
    }
  }

  // Filter to articles from the last 24 hours only
  return articles.filter(a =>
    new Date(a.date) > new Date(Date.now() - 24 * 60 * 60 * 1000)
  );
}

const prompt = `The following is a list of today's tech news articles.

1. Select the 5-7 most important and interesting articles.
2. Summarize each article in 2-3 lines.
3. Explain in one line why each article matters.

Selection criteria:
- News with significant industry impact
- Practical technical insights
- Stories that signal trend shifts

Exclude:
- Simple product launch promotions
- Rumor/speculation articles
- Duplicate news

Article list:
${articles.map(a => `[${a.source}] ${a.title}\n${a.content}`).join('\n\n')}`;

<h1>Today's Tech News — ${date}</h1>

${articles.map(article => `
<div class="article-card">
  <h3><a href="${article.link}">${article.title}</a></h3>
  <p class="source">${article.source}</p>
  <p>${article.summary}</p>
  <p class="why"><strong>Why it matters:</strong> ${article.importance}</p>
</div>
`).join('')}

<p>This newsletter was automatically curated by AI.</p>

import { Resend } from 'resend';

const resend = new Resend(process.env.RESEND_API_KEY);

await resend.emails.send({
  from: 'newsletter@mysite.com',
  to: subscribers,
  subject: `Today's Tech News — ${today}`,
  html: newsletterHtml,
});

# Run every morning at 8 AM (cron)
0 8 * * * node /path/to/newsletter.js