About

Building AI products that matter.

Co-founder & CTO @ Daedal Games — Building 1M+ games powered by AI.
#1 github Contributions in South Korea

Background

	Experience	Focus
🧬	Neuroscience	Trans-synaptic retrograde signaling research
📚	8 Years Literary Translation	Novels, webtoons, creative content
🔧	3 Years Technical Translation	Documentation, ML papers, technical specs

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AI Coding Agent Usage

Platform	Models	Share	Messages	Tokens	Cost
	5.5 5.6-sol 6-astra +11	██████████████░░░░░░ 71.1%	2,138,548	298.3B	$219,629
	opus-4-7 opus-5 opus-4-6 +15	█████░░░░░░░░░░░░░░░ 23.0%	696,812	96.4B	$89,836
	opus-4-7 opus-4-8 opus-4-6 +11	█░░░░░░░░░░░░░░░░░░░ 1.9%	147,747	8.1B	$6,625
	grok-4.6 grok-4.5	█░░░░░░░░░░░░░░░░░░░ 3.4%	120,474	14.3B	$2,266
	5.5 mimo-v2.5-pro-ultraspeed	█░░░░░░░░░░░░░░░░░░░ 0.3%	57,189	1.2B	$1,550
	2.5-pro 2.5-flash	█░░░░░░░░░░░░░░░░░░░ 0.0%	19	318.4K	$0.18
	ox-alpha	█░░░░░░░░░░░░░░░░░░░ 0.2%	4,015	998.1M	$0.00
Total			3,164,804	419.3B	$319,906

Token Composition

_{Tracked by tokscale | Leaderboard | Auto-updated 2026-10-27}

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Achievements

GPU Hill Climbing Ensemble for NVIDIA Merlin Framework
_{CTR prediction on 10M rows of real financial data (Recommender System)}
📄 Technical Report (EN) | (KR)

Competition Domains

Recommender System CTR Prediction NLP Prompt Engineering Time Series Computer Vision Tabular ML Anomaly Detection

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Open Source Contributions

First Developer got banned/recovered from github by uploading "too many merged PRs" (https://x.com/JunghwanNa8355/status/2046224197672984824?s=20)

Total 1000K+ stars contribution in external public projects.

Auto-refreshed 2026-10-27 via gh CLI (update_oss_contributions.py): 588 PRs merged across 50 curated repos below. Star counts via repos API; merged-PR counts via GraphQL search.

Harness engineering

Project	Description	Stars	Merged	Notes
ouroboros	workflow engine driven by specs instead of prompts	⭐ 6,283	425
oh-my-claudecode	multi-agent orchestration for Claude Code	⭐ 40,313	51
oh-my-codex	hooks, agent teams, and HUDs for Codex CLI	⭐ 33,643	13
claude-hud	Claude Code plugin with context/tool HUD	⭐ 28,935	6
multica	managed coding-agents platform	⭐ 53,962	5
zeroclaw	autonomous AI personal assistant infrastructure	⭐ 33,048	5
nanobot	lightweight personal AI agent	⭐ 49,471	3
camel	multi-agent framework	⭐ 17,980	3
dify	platform for agentic workflow development	⭐ 159,686	2
mempalace	open-source AI memory system	⭐ 59,751	2
Flowise	visual builder for AI agents	⭐ 55,530	2
agno	framework for running agents as production software	⭐ 42,917	2
mastra	TypeScript framework for AI apps and agents	⭐ 29,115	2
OpenHarness	open harness for coding agents	⭐ 16,110	2
GenericAgent	self-evolving generic agent framework	⭐ 14,353	2
omi	AI wearable assistant that sees and listens	⭐ 13,834	2
goclaw	Go rebuild of OpenClaw with multi-tenant agent isolation	⭐ 3,676	2
agent-skills	engineering skills library for coding agents	⭐ 110,955	1
lobehub	multi-agent collaboration space	⭐ 83,520	1
oh-my-pi	terminal-native AI coding agent	⭐ 36,777	1
picoclaw	tiny deployable coding agent	⭐ 30,082	1
agentmemory	persistent memory for coding agents	⭐ 29,938	1
haystack	AI orchestration framework for LLM applications	⭐ 26,856	1
harness	meta-skill that designs domain-specific agent teams	⭐ 9,267	1
osaurus	native macOS runtime for local LLMs	⭐ 8,078	1
Yuxi	multi-tenant agent harness with LightRAG knowledge base	⭐ 7,518	1
awesome-harness-engineering	curated list of harness engineering tools and guides	⭐ 4,480	1
acpx	headless CLI for Agent Client Protocol sessions	⭐ 3,392	1
alphaclaw	setup harness for OpenClaw	⭐ 1,477	1
context-mode	context-window optimization for AI coding agents	⭐ 32,496	0
XcodeBuildMCP	MCP server for iOS and macOS build tooling	⭐ 6,511	0

ML

Project	Description	Stars	Merged	Notes
pytorch-grad-cam	visual explainability for CNNs and vision transformers	⭐ 12,999	7
supervision	reusable computer vision tools	⭐ 51,385	5
FootTrafficReport	foot-traffic analytics report project	⭐ 7	5
PyPOTS	toolkit for partially-observed time-series modeling	⭐ 2,085	4
darts	time-series forecasting library	⭐ 9,564	3
voicebox	open-source AI voice studio	⭐ 58,702	2
marimo	reactive Python notebook for experiments and apps	⭐ 23,335	2
anomalib	anomaly detection library	⭐ 6,320	2
dflash	block-diffusion flash speculative decoding kernels	⭐ 6,205	2
chronos-forecasting	foundation models for time-series forecasting	⭐ 6,196	2
PaddleOCR	OCR toolkit for structured document extraction	⭐ 91,771	1
VoxCPM	tokenizer-free multilingual TTS	⭐ 40,721	1
open_clip	open source CLIP implementation	⭐ 14,225	1
sktime	unified framework for ML on time series	⭐ 10,076	1
gorse	recommender system engine	⭐ 9,893	1
statsforecast	fast statistical and econometric forecasting	⭐ 4,949	1

Other

Project	Description	Stars	Merged	Notes
PLFM_RADAR	10.5 GHz phased-array radar	⭐ 27,192	3
immich	self-hosted photo and video management	⭐ 117,361	1
openscreen	open-source screen demo recorder	⭐ 39,923	1
crawlee	web scraping and browser automation library	⭐ 26,276	1
map-to-poster	map-to-poster generator	⭐ 1,100	1
wacli	WhatsApp CLI	⭐ 2,853	0

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Tech Stack

Languages & ML

Backend & Data

Frontend

DevOps & Testing

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GitHub Stats

_{These cards occasionally fail to render when GitHub's contribution aggregation API returns errors, often after unusually high pull-request activity.}