The largest AI newsletter for ecommerce sellers.

AI tools, prompts, agents, and playbooks for sellers on Amazon, Shopify, TikTok Shop, and beyond. Join thousands of weekly readers every Monday morning.

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Why Cruxfinder

Built for AI-native ecommerce operators.

AI Tooling

New AI tools for sellers, tested and ranked weekly. Skip the demos, ship the workflow.

Agent Workflows

Copy-paste agent and prompt stacks running inside 8 and 9-figure ecommerce brands.

Model Benchmarks

GPT, Claude, Gemini, and open models scored on listing copy, ads, ops, and support.

Ecommerce Signal

What's moving on Amazon, Shopify, TikTok Shop, and Walmart, distilled in one read.

Crux Pass

Thousands of dollars in free tools, because you read CruxFinder.

Crux Pass pairs your weekly Amazon intel with exclusive deals on the software and services serious sellers already pay for. Free trials, extended credits, and discounts reserved for subscribers.

Free. No upgrade required. Just for being a subscriber.

Free trials and extended credits

Partner tools open up months of free access, not the standard 7-day tease.

Deals you cannot get elsewhere

Negotiated only for CruxFinder readers, off the public pricing page.

Only tools sellers actually use

PPC, repricing, accounting, freight, AI listings, and review management.

In Their Words

The most-forwarded AI newsletter in ecommerce.

"Cruxfinder is how my team learns which AI tools are actually worth wiring into our stack. Saves us months of trial and error."
Sarah Chen/Founder, Lumen Beauty ($28M ARR)
"We've rebuilt three client workflows in 2026 off Cruxfinder's AI playbooks. The benchmarks alone are worth 100x the price."
Marcus Webb/CEO, Northbeam Agency
"Our diligence team uses Cruxfinder daily to track AI adoption across the brands we look at. Their signal beats our internal data team by weeks."
Priya Anand/VP, Thrasio-style aggregator

The largest AI newsletter for ecommerce sellers.

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