AI systems
React Native · Expo · TypeScript · DNS
Open source · on the App Store
MN://WORK
Work
A source-backed index of software, data, AI, and experiments built under real constraints.
[49] entries indexed
Project index
49 routes through the work
Current work first; older and promotional work sits in the archive below.
RANKED GREP / EVIDENCE
hay
A ranked grep for coding agents: exactly ripgrep’s matches, reordered so the declaration comes first.
Developer tools
Rust · ripgrep · TypeScript · Information retrieval
Open source · measured
MACOS / FAIL-CLOSED
devtrim
Disk hygiene for macOS developer machines: measure, classify, trim — safely.
Developer tools
Rust · macOS · CLI · SLSA
Open source · Homebrew
AI systems
Astro · TypeScript · Cloudflare · LLMs
Open source · bilingual
WINE / EVIDENCE
Terroir Atelier
A bilingual wine school and atlas: compare real terroirs, take the course, and follow every sensory explanation back to its source.
Web apps
Astro 7 · Cloudflare Workers · D1 · pt-BR / EN
Live · atlas and course
AUCTIONS / OFFICIAL DATA
ArremataRadar
Find and assess bank-auction properties from official sources (Caixa, Bradesco and Banco do Brasil), with a viability simulator and alerts.
Data / analytics
TanStack Start · React · Drizzle · Cloudflare Workers
Live · freemium
Privacy / local-first
Swift · HealthKit · Local network
Open source · local-first
Developer tools
Rust · SQLite FTS5 · BM25 · CLI
Open source · measured
Privacy / local-first
Swift · macOS · CLI · CODEX_HOME
Open source · macOS
TEACHING / STOICISM
STOA
A 12-week Stoicism course in Brazilian Portuguese that runs entirely in the browser and keeps every note on the reader’s own device.
Privacy / local-first
Vanilla JS · PWA · Service Worker · Cloudflare Workers
Live · source private
3D / EMULATION
Gradiente Expert XP-800
A procedural 3D reconstruction of a 1985 Brazilian MSX with a working emulator.
Creative engineering
Three.js · TypeScript · WebMSX · Cloudflare
Open source · live demo
Developer tools
Bash · Keychain · direnv · Wrangler
Open source · operational
PRICES / PHARMACIES
Busca Remédios Brasil
Compares the price of a medicine across 19 Brazilian pharmacy chains and says where each price came from.
Data / analytics
React · Vite · Cloudflare Workers · D1
Live · no account
PREDICTION POOLS
Bolão 2026
Free web app for 2026 World Cup predictions with automatic rankings among friends and groups. Existing participants can still reach groups, predictions and rankings; new sign-ups and pools are closed.
Web apps
React 19 · TypeScript · Cloudflare Workers · D1
Live
NEWS / EDITORIAL
O Diário Neutro
A low-friction daily digest of Brazilian news, anchored in what Brazilian outlets reported up to the cut-off time, with links back to every source.
AI systems
News · Automation · Editorial · PT-BR
Live
COMMUNITY / PT-BR
OpenClaw Club Brasil
Community hub for Brazilian users of OpenClaw, the open-source AI assistant that runs tasks over chat — ready-made templates, tutorials and use cases in Portuguese.
AI systems
OpenClaw · Open source · Community · WhatsApp
Live
COURSE / BILINGUAL
Conhecendo IA
Sister site of the studio: a 30-day course that takes you from zero to intermediate with ChatGPT, Gemini and Claude, with a complete PDF guide.
Promotional
Astro · Course · PT-BR · SEO
Live
REAL ESTATE / LEADS
WhatsImovel
WhatsApp links and QR codes for real estate that show which sign, ad or post brought each conversation, with a count per source and a lead funnel.
AI systems
WhatsApp · Automation · Real estate
Live
BRAND / BEAUTY
Babimakeup
Brand site for a professional make-up artist in Brasília — portfolio for brides, film, fashion and events, with booking straight through WhatsApp.
Promotional
Brand site · Portfolio · WhatsApp · SEO
Live
Mobile apps
React Native · Expo · iOS · Android
Public code · no license yet
SWIFT / PARSING
swift-fast-markdown
High-performance SwiftUI markdown parser built on md4c, with streaming support and iOS 26 Liquid Glass rendering.
Developer tools
Swift · SwiftUI · md4c · Open source
Open source · public
AGENTS / TOOLING
Skills
Ten skills for AI coding agents, one install: isolated code review, independent verification before "done", model routing with resumable Codex lanes, a bounded audit pass, codebase readiness scoring, spaced-repetition teach-back, audience-calibrated explanations, an expert stress test, a handoff prompt for a second agent’s independent review and mobile screen concepts.
Developer tools
Markdown · TypeScript · Bash · SQLite · Apache-2.0
Open source · public
BENCHMARK / LANGUAGES
OU Benchmark
A methodology-fixed Ornstein–Uhlenbeck benchmark across C, Zig, Rust, Swift, V and TypeScript on Bun, with the same algorithm and checksum readback in every language.
Data / analytics
C · Zig · Rust · Swift · V · TypeScript · MIT
Open source · measured
MARKETS / REALTIME
Polymarket Analyzer
Realtime terminal dashboard over Polymarket public APIs — Gamma discovery, CLOB REST and WebSocket, and the Data API — with live prices and automatic reconnection.
Data / analytics
TypeScript · Bun · WebSocket · TUI
Public code · no license yet
MOBILE / EDGE API
AI Calories Tracker
A Bun monorepo pairing an Expo client with a Cloudflare Workers API, hardened around idempotent writes and honest health reporting.
AI systems
Bun · Expo · Cloudflare Workers · TypeScript
Public source · in progress
AI IMAGES / WORLD CUP
Levante a Taça
Turns a user’s photo into a 2026 World Cup celebration card with AI image generation.
AI systems
React · Cloudflare Workers · OpenAI Images · Hotmart
Live
iOS / FORMULA 1
GP Race Stats
A native iOS Formula 1 companion: standings, the season calendar with session weather, driver statistics, trends and widgets, from public OpenF1 and Open-Meteo data with no account.
Mobile apps
SwiftUI · iOS 26 · WidgetKit · OpenF1
On the App Store
iOS / WORD GAME
IA Palavras Cruzadas
A native crossword game in Brazilian Portuguese for iPhone and iPad, with 60+ curated themes, three difficulty levels and optional on-device hints.
Mobile apps
SwiftUI · iPhone & iPad · Foundation Models · pt-BR
On the App Store
VISION / AUTHENTICITY · In construction
CigarInfo AI
Cigar information and recommendation app with AI-powered authenticity checks for enthusiasts.
Mobile apps
iOS · Android · AI · Lifestyle
Release candidate · not on the App Store
ON-DEVICE AI · Beta
AI Pedometer
Open-source iOS pedometer app that turns step data into AI-generated insights. Written in Swift.
Mobile apps
Swift · iOS · HealthKit · Open source
Open source · App Store release pending
PUBLIC PROCUREMENT / DATA · In construction
SINAL
For companies that sell to government: what public bodies actually paid for an item, and who is behind a CNPJ, with the official source linked on every number.
Data / analytics
Hono · React · Cloudflare · Open government data
In construction · v0.9
iOS / ON-DEVICE · In App Store review
CaptureVault
A private iOS app for screenshots: on-device text recognition, search, collections, widgets and Spotlight.
Privacy / local-first
Swift · SwiftUI · SwiftData · On-device OCR
In App Store review · v1.0
DAILY READING / MOBILE · Beta
LUME
A bilingual daily devotional app: one reflection a day in a reading-first interface, with the account left optional.
Mobile apps
Expo · React Native · TypeScript · Cloudflare Workers
TestFlight beta · App Store pending
iOS / IMAGE AI · In App Store review
Lente IA
A native iPhone and iPad image editor that sends each edit to fal.ai, Replicate or OpenRouter with the user’s own key.
AI systems
Swift 6.2 · SwiftUI · iOS 26 · Bring your own key
In App Store review
REAL-TIME / FOR TWO · Beta
Drawing with Love
Two people draw on the same board in real time, paired by QR code, short code or link, with no accounts.
Mobile apps
Expo · Skia · Yjs · Durable Objects
TestFlight beta · v0.9
iPHONE + WATCH / LIVE · In construction
Live Run
Share a run live from iPhone and Apple Watch through a private spectator page that needs no account.
Mobile apps
SwiftUI · watchOS · Cloudflare Workers · D1
In construction · MVP
NOTES / ENCRYPTED SYNC · In App Store review
MinutaDraft
A markdown notes app: quick capture, text transforms behind a command palette, inline #tags and end-to-end-encrypted sync.
Privacy / local-first
React 19 · CodeMirror 6 · Cloudflare D1 · Electron · Capacitor
In App Store review
WARDROBE / PWA · Beta
Vestou
A private wardrobe PWA for recording looks, finding combinations and sharing an outfit through a link that expires.
Web apps
TanStack Start · React 19 · Cloudflare R2 · Workers AI
Private beta
AI COACH / MOBILE · In construction
Paquera AI
An app for adults to practise conversations, review profiles and prepare for dates with AI, in Brazilian Portuguese.
AI systems
Expo · React Native · Cloudflare Workers · Bring your own key
In construction
LEGAL AI / TRAFFIC · In construction
Recursos de Multas
A web app that organises traffic fines, extracts data from the notices and drafts administrative appeals: support for review, not a substitute for it.
AI systems
TanStack Start · Hono · Cloudflare Workers · R2
In construction · staging
Archive 9
Data / analytics
Next.js · Statistics · Data · Docker
Open source · educational
TRAVEL / ANALYSIS
IA Travel
AI travel planning assistant that builds personalised itineraries and recommendations.
AI systems
AI · Travel · Next.js
Live
EVENTS / RSVP
Event Management System
Complete event management platform with RSVP, payments and an admin dashboard.
Web apps
Next.js · RSVP · PIX
Live
EVENTS / SERVICE
Event Services Platform
Services platform for events: a professional site with automatic RSVP and PIX collection without intermediaries.
Web apps
Astro · Events · PIX
Live
BOOK / AI COMPANION
Maturidade (Carlos Magno)
A 52-week practical toolkit for emotional resilience, with an AI companion that answers from the book method rather than as a generic coach.
Web apps
AI companion · PT-BR · Beta
Live · beta
Promotional
Games · Football · PWA
Live
Promotional
Games · Football · PWA
Live
Promotional
Games · Football · PWA
Live
Promotional
Games · Football · PWA
Live
The source is part of the work
Open the repo when the question gets technical.
Project pages keep the story short. The repositories hold the implementation details, tests, limits, and current state.