SHOWCASE
Each entry carries the algorithm at its core, summarised from the source that is actually running. The numbers are the numbers in the code, not illustrations.
CONTENTS
chat.rentaicoder.com
Hybrid retrieval over 10,000 resumes, merged by RRF
A recruitment system that ranks candidates through two independent retrieval paths, merges them with Reciprocal Rank Fusion, then has an LLM score the survivors from two perspectives.
CandidateSearchOperator.cs — hybrid retrieval + RRF
chat.rentaicoder.com/law.html
An agent that picks its own retrieval tool and cites the exact article
A legal assistant with five independent retrieval tools; the agent picks the tool to fit the question instead of running one fixed RAG pipeline.
LawChatOperator.cs — agent tự chọn công cụ tra cứu
abstractdriven.com · MIT
A fractal architecture that keeps AI agents from breaking the codebase
An open-source architecture methodology: every module at every depth has exactly five layers, so the dependency rules can be derived from the path.
F.A.P — fractal architecture pattern
monorepo: ESP32 · Node · Android
A self-hosted ANCS-to-dashboard bridge for bank balance alerts
Brings bank balance notifications from iPhone and Android into one dashboard, with a three-layer trust model that resists amount spoofing.
server/parser.js — mô hình tin cậy 3 lớp
static build: HTML + JS + .wasm
28 Rust state machines running in the browser via WebAssembly
A freight forwarding system that runs entirely client-side: Excel ingestion, validation and state transitions all live inside WebAssembly.
src/abstractions/states — 28 máy trạng thái thuần Rust
edu.rentaicoder.com
Multi-channel admissions advisor that knows when to step aside
An admissions chatbot for education centres: it calls functions to look up courses, unifies a customer's identity across channels, and escalates to a human on explicit rules.
HandoverOperator.cs — luật leo thang sang người thật
pos.rentaicoder.com · desktop + web
Point of sale for lump-sum-taxed household businesses, scope stated plainly
Point-of-sale software for household businesses on lump-sum tax, with the legal constraints written into the specification and the scope stated openly.
Ràng buộc pháp lý — ở đây quy định chính là đặc tả
Rust core · Android + web
Scanning approval traps on USDT TRC20 wallets
A read-only app that scans for dangerous open approvals on TRON wallets — the thing that lets a wallet be drained without any new signature.
Quét approval TRC20 — rủi ro nằm ở quyền đã cấp, không ở số dư
xanggate.rentaicoder.com
Domestically-paid Claude API gateway, split by RS256 JWT
A Claude API access gateway for Vietnamese developers, paid entirely through domestic bank transfer.
Tách dịch vụ, xác thực bằng khoá bất đối xứng
vanganthinh.com
Gold and silver e-commerce with a live price board
An online store for the An Thinh gold and silver brand, with a continuously updating price ticker at the top of every page.
Bảng giá: poll 30s → Strapi proxy → vang.today
acp.net.vn
Corporate site for a logistics and distribution company
A capability site for Asia Consumer Products Co., Ltd: logistics, warehousing, supermarket delivery and nationwide distribution.
render-static.js — dựng sẵn lúc build, không render lúc chạy
cashbacktrade.pro
Trading fee rebates across crypto exchanges
A rebate platform that returns part of the trading fee to users who sign up to exchanges through Cashback Trade.
Quy kết giới thiệu — mô tả từ luồng công khai, KHÔNG đọc được mã nguồn
trone.cashbacktrade.pro
A closed application on the TRON ecosystem
A closed web application with passwordless sign-in via a one-time code delivered by a Telegram bot.
Đăng nhập không mật khẩu qua bot Telegram — quan sát từ màn xác thực
Tell us what you are building. We will come back with a technical approach, a timeline and a clear estimate.