insight-skill-generator
Use PROACTIVELY when working with projects that have docs/lessons-learned/ directories to transform Claude Code explanatory insights into reusable, production-ready skills. Analyzes insight files, clusters related content, and generates interactive skills following Anthropic's standards.
hook-deduplication-guide
Use PROACTIVELY when developing Claude Code hooks to implement content-based deduplication and prevent duplicate insight storage across sessions
json-outputs-implementer
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mcp-server-creator
Use PROACTIVELY when creating Model Context Protocol servers for connecting AI applications to external data sources, tools, and workflows. Generates production-ready MCP servers with TypeScript/Python SDKs, configuration templates, and Claude Desktop integration. Includes testing workflow with MCP Inspector. Not for modifying existing MCP servers or non-MCP integrations.
mutation-testing
Use PROACTIVELY when checking if tests catch real bugs, assessing test suite quality, finding weak tests, or measuring mutation score. Validates test effectiveness beyond coverage metrics by introducing code mutations. Supports Stryker (JS/TS), PIT (Java), mutmut (Python). Not for projects without existing test suites.
otel-monitoring-setup
Use PROACTIVELY when setting up OpenTelemetry monitoring for Claude Code usage tracking, cost analysis, or productivity metrics. Provides local PoC mode (full Docker stack with Grafana) and enterprise mode (centralized infrastructure). Configures telemetry collection, imports dashboards, and verifies data flow. Not for non-Claude telemetry or custom metric definitions.
react-project-scaffolder
Use PROACTIVELY when creating new React projects requiring modern tooling and best practices. Provides three modes - sandbox (Vite + React for quick experiments), enterprise (Next.js with testing and CI/CD), and mobile (Expo + React Native). Enforces TypeScript strict mode, Testing Trophy approach, and 80% coverage. Not for non-React projects or modifying existing applications.
semantic-release-tagger
Use PROACTIVELY when creating releases after PR merges to main, or when user asks about versioning strategy. Automated git tagging agent that analyzes repository state, parses conventional commits, calculates semantic versions, and creates annotated git tags with GitHub releases. Supports monorepo namespaced tags with @ separator convention. Not for changelog generation or pre-release/alpha versioning.
skill-creator
Use PROACTIVELY when creating new Claude Code skills from scratch. Automated generation tool following Claudex marketplace standards with intelligent templates, pattern detection, and quality validation. Supports guided creation, quick start templates, clone-and-modify, and validation-only modes. Not for modifying existing skills or non-skill Claude Code configurations.
skill-isolation-tester
Use PROACTIVELY when validating Claude Code skills before sharing or public release. Automated testing framework using multiple isolation environments (git worktree, Docker containers, VMs) to catch environment-specific bugs, hidden dependencies, and cleanup issues. Includes production-ready test templates and risk-based mode auto-detection. Not for functional testing of skill logic or non-skill code.
strict-tool-implementer
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structured-outputs-advisor
Use PROACTIVELY when users need guaranteed schema compliance or validated tool inputs from Anthropic's structured outputs feature. Expert advisor for choosing between JSON outputs (data extraction/formatting) and strict tool use (agentic workflows). Analyzes requirements, explains trade-offs, and delegates to specialized implementation skills. Not for simple text responses or unstructured outputs.
sub-agent-creator
Use PROACTIVELY when creating specialized Claude Code sub-agents for task delegation. Automates agent creation following Anthropic's official patterns with proper frontmatter, tool configuration, and system prompts. Generates domain-specific agents, proactive auto-triggering agents, and security-sensitive agents with limited tools. Not for modifying existing agents or general prompt engineering.
yatl-tasks
Track multi-session work with dependencies using yatl (Yet Another Task List). Use when work spans multiple sessions, has dependencies, or requires persistent context across compaction cycles. For simple single-session linear tasks, TodoWrite remains appropriate.
api-design
Design RESTful APIs with best practices. Use when creating new endpoints, designing API contracts, or reviewing API structures.
testing-patterns
Write effective tests with proper structure and coverage. Use when writing unit tests, integration tests, or improving test quality.
chrome-extension-icons
Search and generate icons for Chrome browser extensions. Automatically downloads SVG icons from Iconify (275,000+ free icons), converts them to required PNG sizes (16x16, 32x32, 48x48, 128x128), and updates manifest.json configuration. Use when the user mentions "extension icon", "browser extension icon", "chrome icon", "add icon to extension", "generate icon for extension", or when working with Chrome extension manifest.json icon setup. Supports color customization, local SVG conversion, and batch generation for multiple projects.
expert-panel
ACTIVATE when debugging a skill, analyzing why a prompt isn't working, or stuck on a technical problem. Triggers on "what would the panel say", "let's debug this", "why isn't this working", "convene the panel", or when user expresses confusion about skill behavior.
GitHub Security Alert Fixer
Systematically analyzes and fixes GitHub CodeQL security alerts with proper documentation and testing
Query Supabase Database
Execute PostgreSQL queries against the Supabase database using psql with 1Password credential retrieval
kids-learning-creator
Genera contenuti didattici interattivi per bambini di 10 anni su qualsiasi argomento. Include spiegazioni semplici, quiz, esperimenti, attività pratiche e prompt per immagini AI. Usa quando vuoi spiegare un concetto a un bambino in modo divertente e coinvolgente.
presentation-generator
Creates complete PowerPoint presentations from a topic or brief. Generates slide structure, compelling content, speaker notes, and image suggestions/prompts. Use when you need to create business presentations, pitch decks, educational slides, or any visual presentation quickly.
social-media-caption-writer
Creates engaging social media captions optimized for each platform (Instagram, LinkedIn, Twitter/X, Facebook, TikTok). Use when preparing social content, building content calendars, or repurposing content across platforms. Includes hashtag suggestions and CTA variations.
vacation-rental-seller
Aiuta a vendere tutte le notti disponibili di una casa vacanze a Roma. Genera annunci ottimizzati per Airbnb/Booking, strategie di pricing dinamico, contenuti marketing, risposte agli ospiti e promozioni last-minute. Usa quando hai notti libere da riempire o vuoi migliorare le performance del tuo annuncio.
blog-post-outline-generator
Generates structured blog post outlines with SEO-optimized headings, key points, and content flow. Use when planning blog content, creating editorial calendars, or structuring long-form articles. Supports multiple content formats and audience targeting.
content-performance-analyzer
Analyzes content marketing metrics to identify top performers, trends, and optimization opportunities. Use when reviewing blog posts, social media, or campaign performance. Accepts CSV data with engagement metrics and provides actionable insights.
music-release-post-generator
Genera post Facebook per promuovere release musicali su YouTube. Usa quando pubblichi una nuova traccia e devi condividerla su gruppi Facebook con titolo, descrizione accattivante, CTA e hashtag.
create-plans
Create hierarchical project plans optimized for solo agentic development. Use when planning projects, phases, or tasks that Claude will execute. Produces Claude-executable plans with verification criteria, not enterprise documentation. Handles briefs, roadmaps, phase plans, and context handoffs.
appflowy-integration
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api-endpoint-creator
Guides standardized REST API endpoint creation following team conventions. Use when creating new API endpoints.
code-review-checklist
Provides comprehensive code review checklist following team standards. Use when reviewing pull requests or preparing code for review.
database-migration
Safe database migration procedures with backward compatibility, backups, and rollback strategies. Use when creating, modifying, or dropping database schemas. Covers migration creation, testing, execution, and rollback.
deployment-workflow
Guides production deployment workflow with safety checks and rollback procedures. Use when deploying applications to staging or production environments.
incident-response
Structured incident response workflow for production issues. Use when handling outages, performance degradation, or user-impacting problems. Covers triage, communication, mitigation, resolution, and post-incident review.
your-skill-name
Brief description of what this skill does (1-2 sentences). Include key triggering words that help agents recognize when to use this skill.
practice-writer
技術研修演習問題を執筆。概要・問題・解答形式・解答例の構造、:::stepディレクティブでハンズオン手順を記述。演習問題作成時に使用。
promotion-writer
技術研修プロモーション内容を執筆。キャッチコピー、研修概要、特徴、学習効果、カリキュラムを記述。Webサイト向けプロモーション作成時に使用。
quiz-writer
技術研修理解度確認テストを執筆。:::quiz、:::question、:::select、:::correctディレクティブで問題構造を記述。理解度テスト、確認問題作成時に使用。
slide-writer
技術研修スライド教材をMarp形式で執筆。1スライド1トピック、箇条書き中心の簡潔な構成。スライド教材、プレゼンテーション作成時に使用。
text-writer
技術研修テキスト教材を執筆。:::stepディレクティブ、学習目標、コードブロックルール（//addstart等）に準拠。テキスト教材、技術ドキュメント作成時に使用。
flyer-writer
技術研修フライヤー要件を執筆。文字数制限付きのキャッチ文章、学習目標、カリキュラム、研修詳細を記述。フライヤー、チラシ作成時に使用。
beads-issue-tracking
Track complex, multi-session work with dependency graphs using beads (beads) issue tracker. Use when work spans multiple sessions, has complex dependencies, or requires persistent context across compaction cycles. For simple single-session linear tasks, TodoWrite remains appropriate.
smalltalk-commenter
Generates and improves CRC-style (Class-Responsibility-Collaborator) class comments for Smalltalk/Tonel classes. Use whenever lint (st-lint) flags a class as missing or having a poor class comment, when the user asks to "add class comments", "document classes in [package]", "check class documentation", or after creating/modifying Tonel files that leave classes undocumented.
smalltalk-debugger
Systematic debugging guide for Smalltalk (Pharo/Squeak) development. Provides expertise in error diagnosis (MessageNotUnderstood, KeyNotFound, SubscriptOutOfBounds, AssertionFailure), incremental code execution with eval tool, intermediate value inspection, error handling patterns (`on:do:` blocks), stack trace analysis, UI debugger window detection (read_screen for hung operations), Transcript logging (crShow:, ##DEBUG## prefix, format strings, call-site tracing with thisContext, headless output via NonInteractiveTranscript on Pharo), and debug-fix-reimport workflow. Use when encountering Smalltalk test failures, Smalltalk exceptions, unexpected behavior, timeout or non-responsive operations, need to verify intermediate values, execute code incrementally for diagnosis, troubleshoot Tonel import errors, add debug logging to trace variable values or call sites, or redirect Transcript output in headless/Docker images.
smalltalk-developer
Comprehensive Smalltalk (Pharo/Squeak) development workflow guide with AI-driven Tonel editing. Provides expertise in Tonel file format syntax (class definitions with name, superclass, instVars, category, method categories, class comment placement), package structure (package.st placement, directory organization, BaselineOf dependencies), development workflow (Edit → Import → Test cycle with absolute paths, re-import timing, test execution), and Smalltalk best practices (CRC format documentation, method categorization conventions). Use when working with Pharo or Squeak Smalltalk projects, creating or editing Tonel .st files, organizing packages and dependencies, resolving import order issues, writing class comments, implementing standard Smalltalk development patterns (Singleton, Settings, etc.), or troubleshooting Tonel syntax.
smalltalk-implementation-finder
Method implementation finder and analyzer for Smalltalk (Pharo/Squeak). Provides expertise in discovering implementors across class hierarchies (search_implementors), analyzing implementation patterns, learning coding idioms from existing implementations, assessing refactoring impact (counting implementors and references), finding duplicate code for consolidation, understanding abstract method implementations (subclassResponsibility), and tracing method overrides through inheritance chains. Use when analyzing method implementations across classes, learning implementation idioms, assessing refactoring risk before changes, finding duplicate implementations for consolidation, understanding how abstract methods are implemented in concrete classes, or tracing which classes override specific methods.
smalltalk-usage-finder
Class and method usage analyzer for Smalltalk (Pharo/Squeak). Provides expertise in understanding class responsibilities through class comments (get_class_comment), discovering usage patterns via references (search_references_to_class), finding example methods (exampleXXX patterns), analyzing method usage in context (search_references with polymorphism handling), generating package overviews (list_classes with comment analysis), and resolving ambiguous names (search_classes_like, search_methods_like). Use when understanding what a class does, finding usage examples for classes or methods, discovering how to use an API, analyzing package structure and purpose, resolving unclear class or method names, or learning usage patterns from real-world code.
st-buddy
Friendly Smalltalk development assistant and skill router. Use when the user asks any Pharo or Squeak Smalltalk development question, needs help getting started, asks about the workflow, wants to implement/debug/understand code, needs project setup guidance, or is unsure where to begin.
st-eval
Smalltalk code evaluator for Pharo or Squeak via MCP. Use when executing Smalltalk expressions, verifying object state or intermediate values, debugging code incrementally, checking the Smalltalk image connection, or running quick experiments.
st-export
Export package from the Smalltalk image (Pharo or Squeak) to Tonel files. Use when code was changed directly in the Smalltalk image (debugger, browser, or code generation) and needs to be synced back to Tonel files.
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