While building outbound workflows, we found that static lead databases decay by ~30% each year, causing high bounce rates, while Google charges $18/mo per seat just for sending inboxes.
We ditched pre-scraped lists and corporate email taxes to build AirPulsar a 100% free B2B discovery engine querying the live web via Google Search Grounding with BYOK economics (~$0.006/company), $0 domain email sending via Cloudflare + Resend, and a native 22-tool Cloud MCP server for Claude and Cursor.
The 100% free B2B prospecting & outreach platform. Plug in your Google AI key ($0.006/company), find live operating buyer companies via Google Grounding, and send human-paced cold emails from any Gmail or custom domain for $0. Features a 22-tool Claude MCP copilot.
