Signal

Next.js 14Next.js 14
React 18React 18
TypeScriptTypeScript
Tailwind CSSTailwind CSS
Supabase
Claude AI
Stripe
Resend
Signal

Signal is a personalized AI intelligence platform that scans high-signal sources across tech, startups, research, business, and more. It collects daily signals from Reddit, Hacker News, Bluesky, X, and curated RSS feeds, scores them by source quality, engagement velocity, and user preference matching, then converts raw links into plain-English updates with clear why-it-matters context using Claude AI. Features multiple digest formats (Quick Summary, Deep Dive, Professional Brief, Key Takeaways, Full Report), domain-based personalization across 10+ interest categories, tiered access with Stripe-based subscriptions, and automated daily digest emails with open tracking and secure unsubscribe handling.

Features

  • •Multi-source scanning from Reddit, Hacker News, Bluesky, X, and curated RSS feeds
  • •Relevance ranking by source quality, engagement velocity, and user preference matching
  • •AI-powered summarization with clear why-it-matters context using Claude
  • •Multiple digest formats: Quick Summary, Deep Dive, Professional Brief, Key Takeaways, Full Report
  • •Domain-based personalization across 10+ interest categories
  • •Tiered access with free and pro plans via Stripe subscriptions
  • •Automated daily digest emails with open tracking and secure unsubscribe
  • •Admin-safe operations restricted to cron or approved admin identities
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