AWS CloudWatch monitoring for logs, metrics, alarms, and dashboards. Use when setting up monitoring, creating alarms, querying logs with Insights, configuring metric filters, building dashboards, or troubleshooting application issues.

Data structures and algorithms reference based on CLRS. Use this skill when implementing, discussing, or choosing data structures or algorithms. Auto-activates for algorithm selection, complexity analysis, and performance optimization. Comprehensive coverage of fundamental and advanced data structures with pseudocode examples.

Enables Claude to manage Clubhouse rooms and audio social interactions

Master Kubernetes cluster administration, from initial setup through production management. Learn cluster installation, scaling, upgrades, and HA strategies.

Monitor and manage Proxmox cluster nodes, resources, and infrastructure health. Track node status, cluster quorum, and resource allocation across your virtualization platform.

Identify groups and patterns in data using k-means, hierarchical clustering, and DBSCAN for cluster discovery, customer segmentation, and unsupervised learning

Cluster data using K-Means, DBSCAN, hierarchical clustering. Use for customer segmentation, pattern discovery, or data grouping.

CASS Memory System - procedural memory for AI coding agents. Three-layer cognitive architecture transforms scattered sessions into persistent, cross-agent learnings with confidence decay, anti-pattern learning, and scientific validation.

Configure CMS connections and perform ad-hoc content searches (Sanity, Contentful, WordPress)

Generate standardized CNC setup sheets for MNMUK machine shop. Covers DMG MORI mills/lathes, CITIZEN Swiss, MITSUBISHI EDM, and Haas machines. USE WHEN user says 'setup sheet', 'create setup', 'job setup', 'machine setup', 'tooling list', 'fixture setup', or 'new job' for any CNC operation.

Configure CNF networking components including netkit BPF-programmable network devices, tcx (Traffic Control eXpress for kernel 6.6+), virtual interfaces, network namespaces, routing, and eBPF program attachment. Use when setting up network topology for eBPF-based CNFs or testing packet processing pipelines.

Apply Chiral Narrative Synthesis (CNS) framework for contradiction detection and multi-source analysis using Tinker API for model training. Use when implementing CNS with Tinker for fine-tuning models on contradiction detection, training on SciFact/FEVER datasets, or building multi-agent debate systems for narrative synthesis.

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Use to enforce visual, messaging, and legal standards across partner

Apply CO14 Platformization to extract common capabilities into reusable infrastructure serving multiple use cases.

Apply CO2 Chunking to group related elements into meaningful units to reduce cognitive load.

Apply CO5 Emergence to recognize higher-order behavior arising from component interactions.

Apply CO7 Network Effects to exploit increasing value as user base or connections grow.

Self-improving learning system that detects friction signals and proposes rule updates. This skill should be used when Claude needs to learn from mistakes, when users repeatedly correct behavior, when tool failures indicate missing knowledge, or when reviewing learning candidates via /coach commands.

Coach product managers and produce a PM Coaching Pack (context-specific definition of “good PM”, evidence-based assessment, growth bets + development plan, coaching cadence + session toolkit, follow-up tracker). Use for coaching PMs, developing PMs, leveling expectations, and creating growth plans. Category: Leadership.

Analyzes legacy COBOL programs and JCL jobs to assist with migration to modern Java applications. Extracts business logic, identifies dependencies, generates migration reports, and creates Java implementation strategies. Use when working with mainframe migration, COBOL analysis, legacy system modernization, JCL workflows, or when users mention COBOL to Java conversion, analyzing .cbl/.CBL/.cob files, working with copybooks, or planning Java service implementations from COBOL programs.

This skill provides guidance for translating COBOL programs to modern languages (Python, Java, etc.) while preserving exact behavior. It should be used when tasks involve COBOL-to-modern-language migration, legacy code translation, fixed-width file format handling, or ensuring byte-level compatibility between source and target implementations.

Build modular CLI applications with Cobra framework. Use when structuring CLI commands, implementing modular command architecture, handling flags and arguments, or when user mentions Cobra, CLI modularity, command registration, or spf13/cobra.

Production-ready Cobra CLI patterns including command structure, flags (local and persistent), nested commands, PreRun/PostRun hooks, argument validation, and initialization patterns used by kubectl and hugo. Use when building Go CLIs, implementing Cobra commands, creating nested command structures, managing flags, validating arguments, or when user mentions Cobra, CLI development, command-line tools, kubectl patterns, or Go CLI frameworks.

Professional mixologist with expertise in classic cocktails, modern techniques, and home bar setup

Guide to migrating iOS Capacitor plugins and dependencies from CocoaPods to Swift Package Manager (SPM). Use this skill when users want to modernize their iOS project, remove CocoaPods, or add SPM-based dependencies.

This skill should be used when building data processing pipelines with CocoIndex v1, a Python library for incremental data transformation. Use when the task involves processing files/data into databases, creating vector embeddings, building knowledge graphs, ETL workflows, or any data pipeline requiring automatic change detection and incremental updates. CocoIndex v1 is Python-native (supports any Python types), has no DSL, and is currently under pre-release (version 1.0.0a1 or later).

Enables Claude to create and manage documents with tables and automation in Coda via Playwright MCP

Create well-structured subagents for Claude Code with specialized expertise, proper tool configurations, and effective system prompts. Use when building custom subagents for code review, debugging, testing, data analysis, codebase research, or domain-specific workflows.

Implements features and writes production-ready code

Assess uncommitted code changes against the existing codebase to ensure consistency with established patterns, architecture, components, and ways of working.

Analyze codebase for patterns, issues, and improvements. Enforces analysis standards while incorporating user-specific requirements.

Análise estática de código para identificar code smells, complexidade ciclomática, duplicações, violações de padrões, acoplamento excessivo, e métricas de qualidade. Usar para avaliar qualidade de código, identificar pontos de refatoração, medir débito técnico, verificar aderência a padrões PSR/SOLID, e gerar relatórios de qualidade para gestão.

Use when annotating code with structured metadata, tags, and markers for AI-assisted development workflows. Covers annotation formats, semantic tags, and integration with development tools.

Code annotation requirements for pikru. Use when writing or porting Rust functions from C code. All ported functions must have cref comments.

Analyze codebases for anti-patterns, code smells, and quality issues using ast-grep structural pattern matching. Use when reviewing code quality, identifying technical debt, or performing comprehensive code analysis across JavaScript, TypeScript, Python, Vue, React, or other supported languages.

Systematic techniques for reading and understanding unfamiliar legacy code without documentation

Review recently written code for best practices, architectural consistency, and correct system integration. Use for reviewing new endpoints, refactors, and UI components to ensure alignment with project standards and established patterns.

code-audit-vigil

Perform a comprehensive code audit and write findings to TODO.md.

Performs comprehensive codebase analysis covering architecture, code quality, security, performance, testing, and maintainability. Use when user wants to audit code quality, identify technical debt, find security issues, assess test coverage, or get a codebase health check.

Test skill with example code blocks that should NOT be detected as real references

Request approval before modifying files and verify changes are necessary

AI가 만든 모든 코드 변경사항을 reviews 폴더에 기록하고 간단한 HTML 뷰어로 웹 브라우저에서 실시간 확인할 수 있습니다. 매 수정마다 문서가 생성되고 Python 서버로 즉시 확인 가능합니다.

Code cleanup agent that organizes codebase by moving inline CSS to external files, extracting functions to proper locations, and removing unused code. Use when refactoring, cleaning up technical debt, or improving code organization.

Refactor and clean up code following best practices for readability and maintainability

Detect and refactor code duplication with PMD CPD. TRIGGERS - code clones, DRY violations, duplicate code.

Enforce industry best practices for code comments based on principles from Robert C. Martin (Clean Code), Martin Fowler (Refactoring), and other software engineering experts.

Use specific checklists to ensure comprehensive and high-quality code commenting for general code, data declarations, and program structures. Apply when writing new code, reviewing existing code, or conducting code reviews to ensure completeness and quality of documentation.

Apply strategic approaches to code commenting including when to comment, optimal comment density, performance considerations, and integration with development workflow. Use when establishing commenting standards, addressing performance concerns, implementing Pseudocode Programming Process (PPP), or determining appropriate comment frequency.