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Automation & data

Built in March 2026

By hand it is slow, automated it gets the account restricted

Invites and messages sent under quota, and the hooks that work surface.

An animated diagram, demo data: scored prospects, Chrome driven over the DevTools Protocol, the invite pop-up caught, and for X the hooks ranked after 4 weeks.
The animated diagram, demo data: the scored prospect file.
The animated diagram, demo data: the browser steps.
The animated diagram, demo data: the hooks promoted after 4 weeks.

The problem

Manual LinkedIn prospecting is slow, and careless automation gets accounts restricted.

What I built

Node scripts that drive Chrome over the DevTools Protocol, a JSON CRM with lead scoring, and daily quotas checked before every action. For X, a learning loop scores content hooks by weighted engagement.

Technical details

Raw CDP over WebSocket, no Playwright or Puppeteer
MutationObserver to catch asynchronous invite pop-ups
Three fallback strategies on the connect button

Stack

Node.js
Chrome DevTools Protocol
JSON CRM

The result

After 4 weeks the top 3 hooks are promoted and the weakest pruned, with minimum sample sizes written down.

A similar project in mind?

Tell me about your business and when you need it. You get a proposal by email.

I want this system

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