Documentation

docs/plan.md内のTODOリストを管理します。TODO項目の追加、完了マーク、整理を行います。ユーザーがplan.mdの更新、TODO管理、計画の進捗確認を依頼したときに使用してください。プロジェクト固有のTODO形式ルール（フラット構造、エピック化など）を遵守します。

This skill should be used when the user asks to "confluence page", "create documentation", "tech design", "write to confluence", "read from confluence", "link confluence", "create TDD", "write runbook", "meeting notes", "release notes", "architecture decision", or needs guidance on creating, managing, and organizing documentation in Confluence with integration to Jira workflows.

Conducts systematic root cause analysis using proven methodologies including Toyota's 5 Whys, Ishikawa fishbone diagrams, Pareto analysis, and fault tree analysis. Use when investigating bugs, debugging code, troubleshooting systems, diagnosing equipment failures, analyzing life problems, or identifying underlying causes of any issue across software engineering, hardware maintenance, process failures, or personal challenges.

Use when animation is limited by browser support, platform capabilities, or technical requirements

Google Workspace CLI for Gmail, Calendar, Drive, Contacts, Sheets, and Docs.

Guide for implementing features using Test-Driven Development (TDD) methodology. Use when: (1) User requests to implement a feature using TDD, (2) User asks to write tests first before implementation, (3) User mentions Red-Green-Refactor cycle, (4) Starting a new feature that requires systematic testing. This skill provides step-by-step TDD workflows, concrete test patterns, and best practices for writing tests before implementation in TypeScript/React projects using Vitest.

Generate user-friendly release notes from git commits. Use this when preparing releases, writing changelogs, or summarizing development progress.

This skill should be used when the user asks to "search Notion", "find in Notion", "search my Notion workspace", "create Notion page", "make a Notion page", "update Notion page", "edit Notion page", "query Notion database", "get Notion database", "read Notion page", "get page content from Notion", "list Notion pages", or mentions Notion integration, Notion workspace, or Notion API access.

Use when creating or developing anything, before writing code or implementation plans - refines rough ideas into fully-formed designs through structured Socratic questioning, alternative exploration, and incremental validation

Use this skill when you need to write lib functions in `srs/lib` for the Next.js app

Create user-centric product definitions by analyzing the repository, inferring product goals and user needs, clarifying ambiguities through structured questioning, and generating comprehensive product.md documentation. Use when the user mentions "product definition", "define product", "product strategy", or needs to document user personas, pain points, and user journeys.

Comprehensive Python programming guidelines based on Google's Python Style Guide. Use when Claude needs to write Python code, review Python code for style issues, refactor Python code, or provide Python programming guidance. Covers language rules (imports, exceptions, type annotations), style rules (naming conventions, formatting, docstrings), and best practices for clean, maintainable Python code.

Orient to current project by reading CLAUDE.md and architecture docs. Auto-invokes when Claude detects a new or unfamiliar repository. Can also be triggered by "orient me", "what is this project", or "prime session".

Safe filesystem operations for agents, including path normalization vs resolution, temp file handling, atomic replacement, and spooled buffers. Use when reading/writing user-supplied paths, staging outputs, or managing temporary files; triggers: filesystem, os.path, tempfile, path normalization, realpath, atomic write.

Enforce SOLID principles (Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion) in object-oriented design. Use when writing or reviewing classes and modules.

Run dotnet test, capture failed test cases, and generate a rerun filter plus a markdown failure summary. Use when test runs fail and you need a focused rerun command or a compact failure report.

nextjs expert with self-populating documentation

Manage persistent notes and todos using the nb note-taking system. This skill should be used when capturing cross-session learnings, technical decisions, deferred tasks, or codebase patterns that should persist beyond the current conversation. Use proactively after solving bugs, making architectural decisions, or discovering important patterns. Triggers on requests like "what did I learn yesterday", "check my notes", "what learnings do I have about X", or "capture insights". Do NOT use for tracking current work-in-progress (use TodoWrite for that).

Load when optimizing content for search engines, performing keyword research,writing meta tags, analyzing SEO performance, or any task related to organicsearch visibility. Contains comprehensive SEO best practices for 2024-2025.

MediaWiki Wikitext markup language for Wikipedia and wiki-based sites. Use when creating or editing wiki articles, generating wikitext content, working with wiki tables/templates/references, or converting content to wikitext format. Triggers on requests mentioning Wikipedia, MediaWiki, wikitext, wiki markup, or wiki article creation.