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Achievement: StarstruckAchievement: Public SponsorAchievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLO

Achievements

Achievement: StarstruckAchievement: Public SponsorAchievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLO

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ekusiadadus/README.md

Daisuke Kuriyama / 栗山 大介

I am Daisuke Kuriyama, also written Kuriyama Daisuke (栗山 大介 / 栗山大介), and known online as ekusiadadus. Official profile.

I build coordination systems for dense robot fleets and performance tools for engineers.

  • Founder of BreakAI, working on robot deployment and optimization in manufacturing.
  • Building Rovnou, our robot coordination software.
  • Interested in robot reinforcement learning, new simulators, and digital twins connecting simulation with physical robots and their environments.
  • Working on multi-agent pathfinding and swarm robotics across simulation and physical robots.
  • Maintaining isutools, draw-mcp, and rt-lacam.
  • Contributing to open source projects including Rust, Ghostty, and Biome.

Based in Tokyo.

Website · BreakAI · Rovnou · X · LinkedIn

Featured projects

isutools

A one-line Go profiler for ISUCON and performance tuning. It brings SQL, HTTP, reverse-proxy logs, pprof, host metrics, and benchmark diffs into one dashboard.

draw-mcp

A Claude Code skill and CLI validator for production-quality draw.io XML, with 31 validation rules, presets, and CI-ready checks.

rt-lacam

An implementation of Real-Time LaCAM for incremental multi-agent pathfinding, with a Zig core and Python bindings.

Open source

Selected upstream contributions include the Rust compiler, Ghostty, Biome, Material UI, and other developer tools.

Pinned Loading

  1. rust-lang/rust rust-lang/rust Public

    Empowering everyone to build reliable and efficient software.

    Rust 119k 16.3k

  2. biomejs/biome biomejs/biome Public

    A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

    Rust 25.8k 1.2k

  3. ghostty-org/ghostty ghostty-org/ghostty Public

    👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

    Zig 61.4k 3.5k

  4. draw-mcp draw-mcp Public

    Claude Code skill and CLI validator for production-quality draw.io XML — 31 rules, presets, and CI integration.

    Python 31 4

  5. rt-lacam rt-lacam Public

    Real-Time LaCAM: incremental MAPF solver with completeness guarantees. Zig core and Python bindings.

    Zig 3

  6. isutools isutools Public

    One-line Go profiler for ISUCON: SQL, HTTP, reverse-proxy logs, pprof, host metrics, and benchmark diffs.

    Go 1