harukary
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Profile

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harukary | Haruka

Generative AI Engineer

I build practical apps for daily life and tools that support LLM-based development.

X note Izanami

Products

What I am building

Lifestyle

Live

An app for recording plants and animals you notice on walks, then revisiting them as your own field guide.

piko list view showing saved plants and animals in a personal field guide
  • Save plants and animals the moment you notice them
  • Revisit your observations through list, calendar, and map views
  • Turn everyday walks into a field guide that grows over time
App Store
Live

A web app where you learn natural daily expressions through diary corrections and chat.

Daylingo screenshot (Today: input, correction, and chat)
  • Learn from your own diary through corrections and chat
  • Build natural daily phrases and vocabulary in your target language
  • Review past diaries along the forgetting curve for steady retention
Web
Live

A local-first app to keep your friends' profiles and interaction history like a profile notebook.

Header image of tomomemo
  • No login required, fully local storage
  • Profile notebook that still works with partial information
  • Lightweight interaction logs organized by date
App Store X
Beta

An app that turns photos of flyers and handouts into organized events and places on a calendar and map.

Header image of Leafy
  • Capture and finish with less manual input
  • AI-powered auto-organization into lists and folders
  • Review intuitively on calendar and map views
Landing X
Archived (1)
Archived

A web demo that turns a single photo into creature encounters and a collectible field guide based on everyday objects.

WorldWisp screenshot showing the character collection view
  • Upload one photo to generate an encounter image and character profile
  • Treat repeated motifs as one species and revisit their history in the collection
  • Use scene context to make encounters feel natural inside the original photo
Demo Demo Video

Development

Beta

A VS Code extension for using Codex CLI, with session management and a chat UI.

Screenshot of Codex UI showing session and chat panels in VS Code
  • Connect to and launch app-server per workspace
  • Create, switch, and organize sessions
  • Track outputs including tool events
VS Code Marketplace GitHub

A custom VS Code editor extension that lets you edit Markdown in an Obsidian-like live preview.

  • Edit only in Live Preview while saving plain Markdown
  • Tune theme with workspace CSS (.vscode/quench-theme.css)
  • Paste/drop image, save attachment, and insert relative path
VS Code Marketplace GitHub
Archived (1)
Archived

An operational setup to build a personal Codex CLI and run it alongside the official one without conflicts.

  • Run in parallel with the npm-distributed version
  • Simplify install and updates with install.sh
  • Keep operational diffs explicit and manageable
GitHub Releases

Blog

Latest 3 posts (Japanese)

site

このサイトについて

作っているもの・書いているもの・連絡先を、最短で辿れるようにまとめました。

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