The products
Five products, five separate codebases. Each one measures a decision that is normally made on instinct, and each is listed here with its real status — shipped, on a store, or still in development.
MarginKit
Agencies shipping n8n AI workflows
Prices an n8n AI workflow before it runs — every AI node, every loop, every retry storm — so a fixed quote does not become a loss.
- Python
- n8n
- CLI + browser
- Local-first
Foreshelf
Shopify brands in cosmetics, supplements and food
Watches dead stock, incoming stockouts and batches that expire before they sell — then proposes the fix with the dollars attached.
- Shopify
- FastAPI
- React
- PostgreSQL
- LLM agent
Data robots
Recruiters, researchers and automation builders
A fleet of public-data collection robots on the Apify Store — hiring, reviews, social and marketplaces — priced per row returned, with a hard spend cap.
- Apify
- Python
- Docker
- Pay-per-result
CalcBusiness
Freelancers and small businesses
Take-home pay, margin, sales tax, invoices and PDF tools — all running in the browser, with the formula shown and sources cited.
- Static
- Browser-only
- No signup
- US/CA/UK/AU
Unbilled Work Recovery
Agencies running delivery on monday.com
Tracks agency engagements against their contracts, detects unbilled work, generates the change orders and follows what gets paid.
- monday.com
- Node.js
- TypeScript
- GraphQL
- LLM