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isaka1022/README.md

Hi, I'm Amane 👋

Freelance software engineer building products with AI, every day.

🤖 I build with AI agents (Claude Code, LLM pipelines, automation) to ship multiple products as basically a team of one — and I help companies do the same through hands-on AI training (in Japanese).

  • 🛠 Stack: TypeScript · React · Next.js · Expo · Ruby on Rails · Go · Python
  • 💼 mybest 2021–2026 full-time (Rails at 35M+ MAU scale) → independent since 2026, still working with them under contract
  • 🔧 Fixes merged upstream into expo/expo, Litestar and repomix
  • 🏃 Marathon des Sables finisher — 250km across the Sahara
  • 🌍 Tokyo → Barcelona 🇪🇸

🔗 Links

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  1. ai-utilities ai-utilities Public

    Free, privacy-first developer tools for the AI era — token calculator, LLM cost estimator, JSON converters, and chatbot name generator

    TypeScript

  2. health-dashboard health-dashboard Public

    Personal circadian rhythm dashboard — CAD score from Apple Health (Japanese CSV) and Google Sheets. Local-use only, no production auth.

    TypeScript

  3. langfuse-ruby langfuse-ruby Public

    Unofficial Ruby client for the Langfuse LLM observability API — traces, observations, scores, prompts, datasets

    Ruby

  4. llm-browser-multicast-mcp llm-browser-multicast-mcp Public

    Multi-LLM council discussion MCP server via browser automation

    TypeScript

  5. prompts-board prompts-board Public

    Raycast extension to share, search, and run AI prompts as a team — backed by Supabase and Claude

    TypeScript

  6. vitalvid vitalvid Public

    Blood test results explained through AI-generated videos with Japanese voice narration — Next.js 14 + GPT-4 + mulmocast + Shisa AI

    TypeScript