Tools that quietly catch the expensive mistakes.
Marketplace apps, MCP servers, and downloads built from running multi-million-dollar production automation. Read-only by default, idempotent, and the patterns that catch silent bugs before they compound.
Marketplace Apps
Subscription apps installed from QuickBooks, Shopify, and Stripe marketplaces. We handle the integration, you get the alert.
QBO Vendor Anomaly
Catch the wrong vendor bill before you pay it. Daily QuickBooks scan, Slack alert when a bill is 3x normal.
Shopify Reorder Point Alerts
Stop running out of best-sellers. Daily Slack digest of which Shopify SKUs to reorder, ranked by urgency.
Stripe Failed Payment Recovery
Stop losing subscriptions to expired cards. Branded, idempotent dunning on the schedule you control.
MCP Servers
Free, open-source Model Context Protocol servers. Plug Claude (and any MCP-aware client) into the platforms you already use.
SellerCloud MCP
Plug Claude into your SellerCloud catalog, inventory, orders, and channel listings. Read-only, in five minutes.
Walmart MCP
A Model Context Protocol server for Walmart Marketplace. Catalog, inventory, orders, pricing, settlement reports.
Polymarket MCP
Read-only MCP server for Polymarket's public Gamma + CLOB APIs. Markets, orderbooks, price history, resolutions.
QuickBooks MCP
SoonRead-only MCP server for QuickBooks Online — vendors, bills, customers, invoices, accounts. Coming soon.
Downloads
One-time-purchase downloads — methodology, scaffolds, and security tooling distilled from production work.
Make Me a Brett — Methodology Pack
A 92-page operational methodology and 28-file pattern library for shipping high-stakes automation that doesn't silently corrupt your business.
Alvey Security Stack
A pre-commit security stack that blocks AWS keys, Stripe secrets, OAuth tokens, and ~100 other credential patterns before they enter your git history.
Flask SaaS Scaffold
Multi-tenant Flask foundation with enforced query scoping, Stripe billing, idempotent webhooks, super-admin dashboard, and 28 passing tests.
Built from running production at scale.
Every tool here exists because its absence cost a real ecommerce operation real money. The patterns are the same ones running today in production — extracted, anonymized, and packaged so you can drop them into your own stack in an afternoon.
Talk to Brett about custom work