Developer Tools Claudeスキル

Code Quality & Formatting

Automates code formatting and style consistency across dozens of programming languages and frameworks.

OpenSpec Apply Change

Executes and manages the implementation of technical tasks defined in OpenSpec changes.

Skill Coach

Guides the creation of high-quality agent skills by encoding deep domain expertise and enforcing architectural best practices.

Performance Optimizer

Analyzes code performance through systematic profiling and benchmarking to eliminate bottlenecks without altering behavior.

OpenSpec Specification Sync

Syncs incremental specification changes from feature deltas into the main project documentation using intelligent merging.

Structural Code Search & Refactoring

Performs precise, syntax-aware code searches and automated refactoring using Abstract Syntax Trees to match structural patterns rather than simple text.

AI Instruction Standards

Standardizes AI tool configuration by creating and maintaining structured instruction files like CLAUDE.md and .cursorrules.

TypeScript Engineering

Enforces production-grade TypeScript standards based on Google's style guide to ensure code consistency, type safety, and maintainability.

Git Workflow & Branching Guide

Standardizes Git branching strategies, naming conventions, and merge operations to maintain a clean and professional repository history.

Code Formatting Guidelines

Standardizes code style and formatting practices to improve readability and maintain consistency across development teams.

Spec Kit Update Manager

Synchronizes and maintains GitHub Spec Kit versions while preserving local customizations and Japanese localization.

Effect Concurrency & Fibers

Manages high-performance parallel execution and fiber-based concurrency using structured patterns within the Effect ecosystem.

Effect Data Types & Structures

Provides expert guidance and implementation patterns for Effect-TS immutable, type-safe data structures like Option, Either, and Chunk.

Vercel React Best Practices

Optimizes React and Next.js application performance using Vercel Engineering's standardized guidelines.

Effect Configuration Management

Implements type-safe application configuration and environment variable management using the Effect ecosystem.

Skill Creator

Streamlines the creation, validation, and packaging of custom Claude Code skills through standardized workflows and templates.

Effect Sinks Manager

Streamlines data consumption and aggregation within the Effect-TS ecosystem using specialized Sink patterns.

Git Worktree Manager

Manages Git worktrees via the wt CLI to enable seamless parallel development across multiple branches.

Git Worktree Manager

Manages parallel development environments using Git worktrees with automated dependency installation and environment setup.

AI MCP Integration

Integrates Model Context Protocol (MCP) servers into your AI system to provide access to external tools like GitHub, Brave Search, and databases.

Project Structure Guide

Standardizes software project directories across multiple programming languages and frameworks using industry best practices.

Intent Layer Clean

Removes all Intent Layer infrastructure and AGENTS.md files from your repository while preserving core project instructions.

Skill Development

Provides a comprehensive framework for creating, structuring, and optimizing specialized capabilities within Claude Code plugins.

Python TOML Integration

Manages Python TOML configuration files with precision using tomlkit and tomllib while preserving comments and formatting.

Intent Layer Maintenance

Maintains and audits existing Intent Layers to ensure documentation syncs with code changes and manages context token growth.

Add Project (Idea to Ralph Loop)

Orchestrates the complete lifecycle of project initialization from initial concept to a fully configured autonomous development loop.

Rust Code Simplifier

Eliminates over-engineering in Rust code by reducing excessive abstractions and prioritizing maintainability.

Lefthook Git Hook Setup

Configures automated Git hooks using Lefthook to enforce Biome linting and TypeScript type safety during the development workflow.

AI Tool Integration Framework

Integrates a robust tool-calling framework into AI chat applications with built-in calculator and timezone-aware datetime utilities.

Ruby Development

Writes senior-level Ruby code using functional programming principles and a Test-Driven Development (TDD) workflow.