QuickBooks and Xero integration for custom software
Sync a custom system with QuickBooks or Xero through a queue: one owner per record, idempotent writes, Retry-After on 429s, and a nightly totals check.
Blog, page 3
Writing based on projects we built, without listicles or filler.
ChatGPT app examples by industry: 40 live plugins checked
40 live ChatGPT plugins sorted by industry, from Shopify and QuickBooks to Booking.com and JobTread, with what each reads or writes. Checked 2026-10-14.
Submit an MCP server to the ChatGPT and Claude directories
One remote MCP server can pass both reviews. OpenAI wants a plugin ZIP, three hints per tool, and 8 test cases. Claude wants titles and a portal form.
Usage-based billing for AI: Stripe, Orb, Lago, or Metronome
Stripe meters for simple overage, Metronome for prepaid credits, Orb for sales-led contracts, Lago to self-host. Fees at 3 revenue levels, checked 2026-10-13.
AI phone agent cost per month: a free calculator
At list prices checked 2026-10-13, an AI phone agent costs about 4 to 15 cents a call minute. Free calculator for Vapi, Retell, LiveKit, and more.
Best real estate software developers, checked on live portals
7 real estate software firms scored on what you can check: live client portals, MLS feed work, map search, prices, code ownership, and Clutch reviews.
Vercel vs Cloudflare vs Railway vs a VPS: SaaS hosting cost
Cloudflare Workers is the cheapest SaaS host at $5 to $12 a month. Vercel Pro runs $20 to $169, Railway $6 to $122. Three traffic levels, prices sourced.
Receipt printer, scanner, and cash drawer in a desktop app
A desktop POS app prints by sending ESC/POS bytes, opens the drawer through the printer, and reads scanners as keyboards or serial ports. Code for each.
Free barcode label generator: Code 128, EAN-13, QR sheets
Make Code 128, EAN-13, UPC-A, and QR labels with a name and price, then print them on Avery sheets or a label printer. Free, runs in your browser.
Migrate Excel data to a database without losing rows
Export each sheet to CSV, clean it with a script you can re-run, send bad rows to review, load into strict tables, then prove counts and totals match.
AI integration agencies for existing apps: who shows proof
Six AI integration agencies checked for live AI features in client apps, safe rollout, budget, and price. Monterail and Seedium lead. None fully proves it.
How to build a ChatGPT app for your product, step by step
Turn your SaaS API into a ChatGPT app: a small MCP server, a data tool, a render tool with a ui:// card, tests, and a plugin package. Tested code included.
Posts also ship as an RSS feed.
Got something to build?
Tell us what you need. An engineer replies, not a sales team.