OpenAI-compatible gateway in Go with BRL prepaid billing via PIX. Route Kimi, DeepSeek, Qwen, and GLM — plan with frontier models, execute with open-source at a fraction of the cost.

A free tool that extracts a site's design system into structured JSON — colors, typography, spacing, components — so coding agents stay visually consistent.

Foreign SaaS stacks accumulate silent risk — data residency, dollar billing, API terms. Brazilian software paid in real, hosted in Brazil, under LGPD is pragmatism, not nationalism.

SaaS Map is an interactive map of Brazilian builders — add your product pin by city and state to show the

Why Trapiche exists — deploy in Brazil, pay in BRL with Pix, servers in São Paulo, without dollar blockers, US latency, or data leaving the country.

How I used Claude as a pair-programming architect — not runtime AI — to build a Portuguese natural-language date parser in Go for Taskzap.

How to sort your to-do list by urgency and importance — do now, schedule, delegate, or drop. Written for Quadra, a note-taking and task tool built on the Eisenhower Matrix.

ChatGPT cited plausible HRV papers that do not exist — a cautionary tale from PhD research on heart rate variability and cardiovascular risk. Verify before you trust.

Using ChatGPT to generate React Testing Library cases for a progress bar component — faster test writing, consistent assertions, and less fear of the testing stack.