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Dev.to
5/11/2026
I Built a Chrome Extension That Writes LinkedIn DMs Using Claude AI

I Built a Chrome Extension That Writes LinkedIn DMs Using Claude AI

Short summary

Developer built ConnectAI, a Claude-powered Chrome extension that generates personalized LinkedIn DMs by scraping profiles and calling Claude API with strict output constraints. Released on Chrome Web Store, open-sourced. Technical highlights: DOM scraping in React SPA, CORS via background service, consistent JSON output through system prompts.

  • •ConnectAI automates LinkedIn outreach by scraping profile data and generating personalized messages using Claude API
  • •Live on Chrome Web Store with open GitHub repo; uses Manifest V3, vanilla JavaScript, Chrome Storage API
  • •Technical patterns: content scripts for DOM scraping, background service for CORS, strict system prompts to control Claude output

Generated with AI, which can make mistakes.

#ai-tools#product-launch#open-source
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