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roian6/README.md

Chanhyo Jung

Software developer building AI agent tools, automation, and practical products.

Apple Health AI Bridge · Open-source work · Website · Email

Tokscale activity for @roian6

Current focus

These days I spend most of my time on AI agents and automation. What interests me most is making them reliable enough to use in real products and day-to-day development work.

What I'm building

Apple Health AI Bridge connects Apple Health to AI agents without sending the data through a hosted intermediary. It includes an iPhone companion, a self-hosted receiver, and read-only CLI and MCP interfaces. Its iPhone app, Health Bridge for AI, is available on the App Store.

App Store · Website · Source · Latest release

Selected open-source contributions

Project Work Evidence
Open Design Web, desktop, daemon, packaging, and MCP reliability improvements with regression coverage Merged work
OpenHands Added live agent activity to chat for clearer runtime visibility #16110
Local Deep Research Improved research error guidance and PDF upload feedback, with regression coverage Merged work

Background

I started building Android apps in high school. In 2020, I worked with other students on WhereMask, a public-mask inventory service during COVID-19. KBS featured our team and the app; it later served more than 400,000 users.

In my first year at university, I was selected for the 13th cohort of SW Maestro, a government-backed program centered on industry mentoring and team software projects (official alumni interview). I received government startup funding through its follow-up support initiative to launch UnniCloset, a peer-to-peer fashion rental business. I planned the product, built the Flutter app, and ran the service through 2023.

After completing military service, I returned to university and shifted that same product-first approach toward AI agent tooling, open-source reliability work, and local-first software—contributing across agent projects and building Apple Health AI Bridge.

Get in touch

I'm open to early-stage teams and collaborations where I can help take an idea from prototype to something people use.

Email me

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  1. apple-health-ai-bridge apple-health-ai-bridge Public

    Bring Apple Health to any AI agent—privately. Open-source iPhone app on the App Store, automatic sync to a self-hosted receiver, durable local history, and a read-only MCP server. No hosted interme…

    Python 8

  2. nexu-io/open-design nexu-io/open-design Public

    The 1st Collaborative AI Design Agent Workspace. Local-first and open source. Create prototypes, websites, apps, dashboards, presentations, images, and videos with your team and AI agents. Share wo…

    TypeScript 101k 11.6k

  3. OpenHands/OpenHands OpenHands/OpenHands Public

    🙌 OpenHands: AI-Driven Development

    TypeScript 90.9k 12.1k

  4. omnigent-ai/omnigent omnigent-ai/omnigent Public

    Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, an…

    Python 10.8k 1.7k

  5. LearningCircuit/local-deep-research LearningCircuit/local-deep-research Public

    ~95% on SimpleQA (e.g. Qwen3.6-27B on a 3090). Supports all local and cloud LLMs (llama.cpp, Ollama, Google, ...). 10+ search engines - arXiv, PubMed, your private documents. Everything Local & En…

    Python 9.2k 845

  6. microsoft/agent-governance-toolkit microsoft/agent-governance-toolkit Public

    AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

    Python 6.4k 1.1k