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reportlab
by silvainfm
Python library for programmatic PDF generation and creation. Use when user wants to generate PDFs from scratch, create invoices, reports, certificates, labels, or custom documents with precise control over layout, fonts, graphics, tables, and charts. Supports both low-level drawing (Canvas) and high-level documents (Platypus).
polars
by silvainfm
Lightning-fast DataFrame library written in Rust for high-performance data manipulation and analysis. Use when user wants blazing fast data transformations, working with large datasets, lazy evaluation pipelines, or needs better performance than pandas. Ideal for ETL, data wrangling, aggregations, joins, and reading/writing CSV, Parquet, JSON files.
streamlit
by silvainfm
Fast Python framework for building interactive web apps, dashboards, and data visualizations without HTML/CSS/JavaScript. Use when user wants to create data apps, ML demos, dashboards, data exploration tools, or interactive visualizations. Transforms Python scripts into web apps in minutes with automatic UI updates.
contacts
by arlenagreer
Manage Google Contacts with full CRUD operations via Ruby scripts. This skill should be used when searching, viewing, creating, updating, or deleting contacts in Google Contacts. Supports contact lookup, batch operations, and comprehensive contact field management including names, emails, phones, addresses, birthdays, organizations, and notes.
codex-cli-bridge
by alirezarezvani
Bridge between Claude Code and OpenAI Codex CLI - generates AGENTS.md from CLAUDE.md, provides Codex CLI execution helpers, and enables seamless interoperability between both tools
your-skill-name
by khgs2411
Brief description of what this Skill does and when to use it. Include specific trigger phrases. Use when user asks "trigger phrase 1", "trigger phrase 2", or wants to [outcome]. Max 1024 characters.
your-skill-name
by khgs2411
Brief description of what this Skill does and when to use it. Include specific trigger phrases users would say. Use when user asks "trigger phrase 1", "trigger phrase 2", or wants to [outcome]. Max 1024 characters.
cui-diagnostic-patterns
by cuioss
Tool usage patterns for non-prompting file operations - use Glob, Read, Grep instead of Bash commands to avoid user interruptions in all agents and commands
code-quality-reviewer
by devstefancho
Comprehensive code quality review focusing on DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), and Clean Code (Easy to Read) principles. Use when reviewing code changes, analyzing code quality, or assessing code maintainability for any feature, bug fix, or refactoring task.
haveibeenpwned
by rawveg
HaveIBeenPwned API Documentation - Check if email accounts or passwords have been compromised in data breaches
context-master
by JosiahSiegel
"Universal context management and planning system. PROACTIVELY activate for: (1) ANY complex task requiring planning, (2) Multi-file projects/websites/apps, (3) Architecture decisions, (4) Research tasks, (5) Refactoring, (6) Long coding sessions, (7) Tasks with 3+ sequential steps. Provides: optimal file creation order, context-efficient workflows, extended thinking delegation (23x context efficiency), passive deep analysis architecture, progressive task decomposition, and prevents redundant work. Saves 62% context on average. Essential for maintaining session performance and analytical depth."
ui-ux-audit
by WomenDefiningAI
Mandatory audit workflow for UI/UX changes that reads current state FIRST, checks for redundancy, respects clean design philosophy, and identifies genuine gaps before implementation. Auto-invoked when user mentions UI, UX, design, layout, homepage, page improvements, visual changes, or interface modifications.
brainstorming
by lv416e
"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 コードや実装計画を書く前に、何かを作成・開発する際に使用 - 体系的なソクラテス式の問いかけ、代替案の探索、段階的な検証を通じて、粗いアイデアを完成度の高い設計に洗練"
artifacts-builder
by lv416e
"Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts. モダンなフロントエンドWeb技術（React、Tailwind CSS、shadcn/ui）を使用して、精巧なマルチコンポーネントclaude.ai HTMLアーティファクトを作成するツール群。状態管理、ルーティング、shadcn/uiコンポーネントが必要な複雑なアーティファクトに使用 - シンプルな単一ファイルHTML/JSXアーティファクトには不向き"
deep-research
by lv416e
"Conduct comprehensive, multi-source research on any topic using web search, documentation lookup, and critical analysis. This skill should be used when users request thorough investigation, deep research, or comprehensive analysis of topics including but not limited to AI systems, technology trends, academic subjects, business strategies, or current events. 任意のトピックに対して、Web検索、ドキュメント参照、批判的分析を用いた包括的な調査を実施。徹底的な調査、詳細なリサーチ、包括的な分析が必要な場合や、AIシステム、技術トレンド、学術的テーマ、ビジネス戦略、時事問題などについて深く知りたい場合に使用。"
defense-in-depth
by lv416e
"Use when invalid data causes failures deep in execution, requiring validation at multiple system layers - validates at every layer data passes through to make bugs structurally impossible 無効なデータが実行の深い部分で障害を引き起こす場合、複数のシステム層での検証が必要な際に使用 - データが通過するすべての層で検証し、バグを構造的に不可能にする"
executing-plans
by lv416e
"Use when partner provides a complete implementation plan to execute in controlled batches with review checkpoints - loads plan, reviews critically, executes tasks in batches, reports for review between batches パートナーが完全な実装計画を提供し、レビューチェックポイント付きで制御されたバッチで実行する際に使用 - 計画を読み込み、批判的にレビューし、タスクをバッチで実行し、バッチ間でレビュー報告"
mcp-builder
by lv416e
"Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK). 適切に設計されたツールを通じてLLMが外部サービスと対話できるようにする高品質MCP（Model Context Protocol）サーバーを作成するためのガイド。Python（FastMCP）またはNode/TypeScript（MCP SDK）で外部APIやサービスを統合するMCPサーバーを構築する際に使用"
repository-analyzer
by lv416e
"Comprehensive repository analysis using Explore agents, web search, and Context7 to investigate codebase structure, technology stack, configuration, documentation quality, and provide actionable insights. Use this skill when asked to analyze, audit, investigate, or report on a repository or codebase. Exploreエージェント、Web検索、Context7を用いた包括的なリポジトリ分析。コードベース構造、技術スタック、設定、ドキュメント品質を調査し、実用的な洞察を提供。リポジトリやコードベースの分析、監査、調査、レポート作成を依頼された場合に使用。"
systematic-debugging
by lv416e
"Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase framework (root cause investigation, pattern analysis, hypothesis testing, implementation) that ensures understanding before attempting solutions バグ、テスト失敗、予期しない動作に遭遇した際、修正を提案する前に使用 - 4フェーズフレームワーク（根本原因調査、パターン分析、仮説検証、実装）により、解決策を試す前に理解を確保"
requesting-code-review
by lv416e
"Use when completing tasks, implementing major features, or before merging to verify work meets requirements - dispatches superpowers:code-reviewer subagent to review implementation against plan or requirements before proceeding タスク完了時、主要機能の実装時、またはマージ前に作業が要件を満たしているか検証する際に使用 - superpowers:code-reviewerサブエージェントをディスパッチし、計画や要件に対して実装をレビュー"
template-skill
by lv416e
"Replace with description of the skill and when Claude should use it. スキルの説明とClaudeがそれを使用すべきタイミングに置き換えてください"
test-driven-development
by lv416e
"Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by requiring failure first 機能やバグ修正を実装する際、実装コードを書く前に使用 - まずテストを書き、失敗を確認し、最小限のコードで通す。最初に失敗を求めることで、テストが実際に動作を検証することを保証"
skill-creator
by lv416e
"Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. 効果的なスキルを作成するためのガイド。専門知識、ワークフロー、ツール統合によってClaudeの能力を拡張する新しいスキルを作成（または既存スキルを更新）したい場合に使用"