HIROKI NOMURA CTO, MIRAI STUDIO TOKYO, JP
I build products with Flutter and AWS, and run the Proxmox homelab that backs them. CTO at Mirai Studio; client work and in-house products by day, side projects and open source on the side.
- ROLE
- CTO · Mirai Studio
- SIDE
- OSS × 2 · Apps × 6
- STATUS
- open to collaboration
01 Works
All projects →hidane
A Firestore emulator without Java: a single Rust binary that works as a drop-in replacement for the official one.
Forecall
Measures whether AI agents choose and call your MCP tools correctly, and shows what to fix. The tool-description linter is open source.
sub-screen-player
Drives the long, narrow USB sub-displays that sit under a monitor from macOS, Linux and Windows: a clock, a system dashboard, images and video at up to 60 fps.
spendctl
Budgets, approvals and receipts for AI agents that pay. A spend-policy control plane across wallets and every HTTP 402 protocol, including x402 and Stripe MPP.
LaterHub
Turn read-later and watch-later into team knowledge: save articles, videos and documents, then share them with AI summaries and fuzzy search.
Cherimo
A personal AI notebook for the people who matter: preferences, dislikes, anniversaries, gifts and memories, for partners and family alike.
02Stack
DERIVED FROM 5 PUBLIC REPOS · UPDATED 2026.11.06
LANGUAGES
- TypeScript 3 / 5
- Rust 2 / 5
- Dart 1 / 5
- Go 1 / 5
- Python 1 / 5
FRAMEWORKS
- Axum 2 / 5
- tonic / tokio 2 / 5
- Astro 1 / 5
- Flutter 1 / 5
CLOUD · INFRA
- GitHub Actions 5 / 5
- Cloudflare Workers 2 / 5
- Docker 1 / 5
- Proxmox · LXC 1 / 5
DATA · SERVICES
- Firestore 1 / 5
Extracted from pubspec.yaml, package.json, Cargo.toml, go.mod, cdk.json, Dockerfile, and .github/workflows. Numbers are repositories using it / repositories scanned. Regenerated at build time.
03Latest
All posts →No posts yet.
04Now
UPDATED 2026.11.01
What I am working on right now. Updated roughly monthly.
- BUILDING
- Rebuilding this site on Astro and Cloudflare Workers static assets
- RUNNING
- Reorganizing the homelab LXCs around Tailscale
- READING
- [books and papers]
- OPEN TO
- Technical advising, Flutter / AWS architecture reviews, OSS contributions