LOI CHIANG HAO

Building a production-grade RAG + Agent system (vector search, BM25, GraphRAG, evaluation)

Joined on Jun 6, 2026 https://loichianghao.vercel.app/

Education

Universiti Tunku Abdul Rahman

Pronouns

LOI CHIANG HAO

Nov 9

My coding agent almost wiped my git repo. Here's what I built to stop it.

#programming #python #productivity #opensource

5 min read

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LOI CHIANG HAO

Nov 8

Stop being polite to my broken code. Roast it and give me the git patch.

#python #programming #productivity #opensource

5 min read

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

LOI CHIANG HAO

Oct 13

ListingCraft AI: Turn Product Photos into High-Converting Etsy & eBay Listings in Seconds

#devchallenge #hf26challenge

5 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

LOI CHIANG HAO

Oct 6

TrailEcho: Screen-Free Wilderness Audio Sentinel Powered by Gemma 2 Multimodal Vision, ElevenLabs & TabPFN

#devchallenge #hf26challenge

4 min read

Sanity Challenge Path One Submission

LOI CHIANG HAO

Oct 2

Terraform Says Passing. The CIS Benchmark Says Critical. An Agent That Resolves Cloud Security Clashes via a Sanity Graph

#devchallenge #sanitychallenge #sanity #ai

6 min read

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

LOI CHIANG HAO

Oct 2

PhishGuard: Zero-Leakage Spear-Phishing Threat Scanner Powered by Google Gemma 2

#devchallenge #weekendchallenge #hf26challenge

5 min read

Kaggle Benchmarking Challenge Submission

LOI CHIANG HAO

Oct 1

Can LLMs Actually Audit Code, or Just Fix Commas? A 12-Task Security & Jailbreak Benchmark

#devchallenge #kagglechallenge #ai #machinelearning

4 min read

LOI CHIANG HAO

Jun 9

What's the first thing that breaks when a RAG system leaves the notebook?

#ai #rag #beginners #tutorial

1 min read

LOI CHIANG HAO

Jun 8

I built a space where strangers leave messages for their future selves

#showdev #buildinpublic #webdev #startup

1 min read

LOI CHIANG HAO

Jun 8

I Built an Anonymous Digital Time Capsule Because I Miss the Old Internet

#indiehackers #buildinpublic #webdev #supabase

2 min read

LOI CHIANG HAO

Jun 6

What Most RAG Tutorials Don't Teach You

#ai #beginners #machinelearning #learning

1 min read

DEV Community

LOI CHIANG HAO

Badges

Kaggle Benchmarking Challenge Completion

Sanity Challenge Completion

Hacktoberfest 2026 Challenge Completion

Writing Debut

My coding agent almost wiped my git repo. Here's what I built to stop it.

Want to connect with LOI CHIANG HAO?

Stop being polite to my broken code. Roast it and give me the git patch.

ListingCraft AI: Turn Product Photos into High-Converting Etsy & eBay Listings in Seconds

TrailEcho: Screen-Free Wilderness Audio Sentinel Powered by Gemma 2 Multimodal Vision, ElevenLabs & TabPFN

Terraform Says Passing. The CIS Benchmark Says Critical. An Agent That Resolves Cloud Security Clashes via a Sanity Graph

PhishGuard: Zero-Leakage Spear-Phishing Threat Scanner Powered by Google Gemma 2

Can LLMs Actually Audit Code, or Just Fix Commas? A 12-Task Security & Jailbreak Benchmark

What's the first thing that breaks when a RAG system leaves the notebook?

I built a space where strangers leave messages for their future selves

I Built an Anonymous Digital Time Capsule Because I Miss the Old Internet

What Most RAG Tutorials Don't Teach You