Development

Expert in combinatorics, graph theory, discrete probability, and algorithms with applications to computer science

Physics integration with Rapier for R3F game development

LangGraph stateful AI agents with graph-based workflows. Use when creating state-machine agents with checkpoints, human-in-the-loop, streaming execution, or subgraph composition.

Material selection, shaders, and visual effects for R3F

Initialize a new LangChain TypeScript project with recommended configuration

LangChain JS/TS framework for building LLM-powered apps. Use when working with chat models, prompt templates, LCEL chains, tool binding, or RAG pipelines.

React Three Fiber core patterns for scene composition and game loop

UI containers, text objects, buttons, and DOM element integration

Tilemap loading, parsing, layers, and collision detection

Create a SessionStart hook for Claude Code on the web. Use when setting up a repository for remote Claude Code sessions, ensuring dependencies install and tests/linters run automatically on session start. Detects project type, package manager, test runner, and linter.

Claude Code hooks configuration and development. Covers hook lifecycle events, configuration patterns, input/output schemas, and common automation use cases. Use when user mentions hooks, automation, PreToolUse, PostToolUse, SessionStart, SubagentStart, or needs to enforce consistent behavior in Claude Code workflows.

Home Assistant YAML configuration management. Use when editing configuration.yaml, setting up integrations, configuring secrets, managing packages, or troubleshooting Home Assistant configuration issues. Covers core configuration patterns and best practices.

Matter.js physics: realistic bodies, constraints, and simulation

Arcade physics velocity, acceleration, collision, and bounds

Keyboard, mouse, touch, and gamepad input management for Phaser

Audit enabled plugins against project tech stack and recommend additions/removals for relevance

Automated development loop with issue creation and TDD

Sprite animations, tweens, animation chains, and timeline sequences

Core R3F/Three.js performance optimization principles. Use when FPS drops below 60.

Search GitHub issues for solutions and workarounds. Use when encountering errors with OSS libraries, finding upstream bug workarounds, or researching known issues.

Instanced rendering for repeated objects in R3F. Use when rendering many identical objects.

Object pooling for high-performance R3F components (decals, particles, projectiles)

Configures release-please for monorepos and single-package repos. Handles manifest files, component tagging, changelog sections, and extra-files setup. Use when setting up automated releases, fixing release workflow issues, or configuring version bump automation.

Craft PR titles using conventional commits format. Use when creating PRs or ensuring consistent PR naming. PR titles MUST follow conventional commits to drive release-please automation and maintain consistent git history.