Claude Skills

Bun-first development patterns for TypeScript projects. Use when auditing Node.js projects for migration opportunities, starting new projects, evaluating npm dependencies, or reducing package.json bloat. Triggers on mentions of npm, yarn, pnpm, Node.js migration, dependency audit, or package optimization.

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

Writing craft and style patterns for Outfitter content—sentence rhythm, metaphor usage, enthusiasm calibration, structural moves. Use when drafting blog posts, documentation, announcements, or READMEs, or when "styleguide", "writing style", "voice", or "tone" are mentioned. Pair with voice for philosophical foundation, docs-write for structure templates.

Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.

自然言語でファイルの中身を検索したいときに使用する。semtoolsの使用ガイド。

構造化された調査ワークフローを実行する。ユーザーが「調べて」「調査して」「調べたい」「調査したい」「〜について調べて」「〜を調べて」「調査」と言った時に使用する。調査計画をmarkdownファイルに記載し、各調査項目の状態と結果を順次更新しながら体系的に調査を進める。

Use this when the user asks about performance, slowness, optimization, or wants to make code more efficient. Focus on hot paths, unnecessary work, and algorithmic complexity.

Use this skill when you writing commands, hooks, skills for Agent, or prompts for sub agents or any other LLM interaction, including optimizing prompts, improving LLM outputs, or designing production prompt templates.

Use this for Infrastructure as Code (Terraform, CloudFormation), cloud resource setup, networking, IAM policies, and general cloud architecture.

Build MCP servers with TypeScript on Cloudflare Workers. Covers tools, resources, prompts, tasks, authentication (API keys, OAuth, Zero Trust), and Cloudflare service integrations. Prevents 20 documented errors. Use when exposing APIs to LLMs or troubleshooting export syntax errors, transport leaks, server instance reuse bugs, CORS misconfigurations, or task validation errors.

Integrate Vercel Blob for file uploads and CDN-delivered assets in Next.js. Supports client-side uploads with presigned URLs and multipart transfers for large files. Use when implementing file uploads (images, PDFs, videos) or troubleshooting missing tokens, size limits, client upload failures, token expiration errors, or browser compatibility issues. Prevents 16 documented errors.

Check and configure outfitter marketplaces and plugins. Use when setting up a new project, checking plugin configuration, or when "setup outfitter", "configure plugins", or "marketplace" are mentioned.

Perform a focused SEO audit on JavaScript concept pages to maximize search visibility, featured snippet optimization, and ranking potential

Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.

创建新的slash command，如果需要会自动初始化插件结构

Use when searching markdown knowledge bases, documentation, or notes for relevant context - provides qmd CLI syntax for keyword, semantic, and hybrid search across indexed collections

Update ticket YAML frontmatter fields (effort, commit_hash, category).

Use when searching for or transforming code patterns structurally - provides ast-grep CLI syntax, metavariable patterns, and language-specific examples for precise AST-based code search and rewriting