Key Features
Tech Stack
I built LeadSynth AI after realizing cold outreach is broken. 0.5% response rates, spam filters, burned domains—it's a mess.
The shift: Instead of interrupting strangers, find people already asking for help.
How it works:
Monitors Reddit, X, LinkedIn 24/7 for buying signals
Detects intent ("looking for," "need help with," "recommendations")
AI agents engage with contextual replies automatically
Starts warm conversations while you sleep
The results:
40% response rate vs 0.5% for cold email 230+ users in 3 months Zero ad spend (the product sells itself) Users sign up at 3am because agents never sleep
Example:
Someone posts "best tool for B2B lead gen?" at 2am → Agent replies by 2:15am with value → They sign up by morning.
Not cold outreach. Warm engagement at the right moment.
Built for: Founders tired of manual prospecting who want outcomes, not more tools to manage.
Check it out: https://leadsynthai.app
Happy to answer questions about the tech stack, intent detection, or how we avoid being spammy.
Not affiliated with Hacker News or Y Combinator. We simply enrich the public API with analytics.