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PROJECTS

TRAPICHE screenshot

TRAPICHE

Brazilian cloud for developers. Auto-deploy on every push, servers in São Paulo, pay in BRL with Pix — no IOF, no international card.

CLOUDDEPLOYNEXT.JSASTROGOGINLIBSQLREACTFASTIFY
WISIO screenshot

WISIO

AI writing platform for researchers drafting scientific manuscripts in English. Source-grounded feedback, PubMed and Crossref citations in one editor.

AIWRITINGNEXT.JSASTROREACTGOTIPTAPMONGODBOPENAI
LUUP screenshot

LUUP

Spec-driven development CLI that interviews you into a full spec, then drives coding agents through build and acceptance.

CLIAI AGENTSBUNTYPESCRIPTSOLIDJSDRIZZLEAI SDKMCPZOD
SAAS MAP screenshot

SAAS MAP

Interactive map of Brazilian SaaS by state and city. Explore startups by region, zoom into cities, and add your own product to the map.

MAPNEXT.JSREACTD3LIBSQLTAILWINDTYPESCRIPT
PROVADOR VIRTUAL screenshot

PROVADOR VIRTUAL

AI virtual try-on MVP — upload your photo and a garment to preview how the outfit looks on you, powered by IDM-VTON.

AIFASHIONNEXT.JSREACTTAILWINDREPLICATETYPESCRIPT

PUBLICATIONS

[ view on google scholar → ]

Hypertension and exercise training: evidence from clinical studies

2017

IC Moraes-Silva, CT Mostarda, AC Silva-Filho, MC Irigoyen — Exercise for Cardiovascular Disease Prevention and Treatment

[ read paper → ]

Inspiratory muscle training improves autonomic modulation and exercise tolerance in chronic obstructive pulmonary disease subjects: a randomized-controlled trial

2019

ALC Cutrim, AAM Duarte, AC Silva-Filho, CJ Dias, CB Urtado, RM Ribeiro, et al. — Respiratory Physiology & Neurobiology 263, 31-37

[ read paper → ]

Effect of different phases of menstrual cycle in heart rate variability of physically active women

2018

ER Pestana, CT Mostarda, AC Silva-Filho, EP Salvador, et al. — Sport Sciences for Health 14 (2), 297-303

[ read paper → ]

Effect of exercise training in heart rate variability, anxiety, depression, and sleep quality in kidney recipients: A preliminary study

2019

R Barroso, AC Silva-Filho, CJ Dias, N Soares Jr, A Mostarda, LA Azoubel, et al. — Journal of Health Psychology 24 (3), 299-308

[ read paper → ]

Effect of exercise training and detraining in autonomic modulation and cardiorespiratory fitness in breast cancer survivors

2017

SG JB, AC Silva-Filho, CJ Dias, RD Leite, C Mostarda — The Journal of Sports Medicine and Physical Fitness 57 (7-8), 1062-1068

[ read paper → ]

Short-term combined exercise training improves cardiorespiratory fitness and autonomic modulation in cancer patients receiving adjuvant therapy

2017

C Mostarda, J Castro-Filha, AD Reis, M Sevílio Jr, CJ Dias, AC Silva-Filho, et al. — Journal of Exercise Rehabilitation 13 (5), 599

[ read paper → ]

Autonomic modulation analysis in active and sedentary kidney transplanted recipients

2015

CJ Moraes Dias, LM Anaisse Azoubel, H Araújo Costa, E Costa Maia, et al. — Clinical and Experimental Pharmacology and Physiology 42 (12), 1239-1244

[ read paper → ]

A case-control study of exercise and kidney disease: hemodialysis and transplantation

2019

A Silva-Filho, LA Azoubel, RF Barroso, E Carneiro, CAA Dias-Filho, et al. — International Journal of Sports Medicine 40 (03), 209-217

[ read paper → ]

A Machine Learning model of the combination of normalized SD1 and SD2 indexes from 24h-Heart Rate Variability as a predictor of myocardial infarction

2021

AC Silva-Filho, SR Dutra-Macedo, ASM Vieira, C Mostarda — arXiv preprint arXiv:2102.09410

[ read paper → ]

WRITING

[Pitch] Criei um gateway de LLMs focado no Brasil

2026.05.12

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.

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Pitch: site-to-json — transformando sites em JSON para alimentar IAs

2026.04.08

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

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Soberania digital: por que o próximo grande ciclo de SaaS no Brasil será local

2026.02.14

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.

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Pitch: Coloque seu SaaS no Mapa

2026.02.10

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

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Criei uma Vercel Brasileira

2026.01.18

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.

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Criei um dateparser para o meu app com o Claude

2025.11.03

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

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Prioritizing Tasks with the Eisenhower Matrix

2024.07.01

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.

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Como a precisão científica do GPT-3 se baseia em artigos falsos

2023.06.12

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.

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Usando o ChatGPT para escrever testes usando React Testing Library

2023.01.06

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.

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