Topic: cli
1,462 skills in this topic.
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xlsx
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
NickCrew/Claude-Cortex 13
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documentation-production
Use when generating, updating, or organizing documentation (component/API docs, project indexes, diagrams, tutorials, learning paths) - provides structured workflows and references for docs generation, indexing, diagrams, and teaching.
NickCrew/Claude-Cortex 13
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git-ops
Use when performing git operations or generating smart commit messages - provides safe git workflow guidance, validation checks, and conventional commit formatting.
NickCrew/Claude-Cortex 13
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gitops-workflows
GitOps workflows and patterns using ArgoCD and Flux for declarative Kubernetes deployments. Use when implementing CI/CD for Kubernetes, managing multi-environment deployments, or adopting declarative infrastructure practices.
NickCrew/Claude-Cortex 13
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helm-chart-patterns
Helm chart development patterns for packaging and deploying Kubernetes applications. Use when creating reusable Helm charts, managing multi-environment deployments, or building application catalogs for Kubernetes.
NickCrew/Claude-Cortex 13
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mermaid-diagramming
Mermaid diagram creation covering flowcharts, sequence diagrams, ERDs, state machines, Gantt charts, and architecture views. Use when creating or updating technical diagrams in documentation.
NickCrew/Claude-Cortex 13
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multi-llm-consult
Consult external LLMs (Gemini, OpenAI/Codex, Qwen) for second opinions, alternative plans, independent reviews, or delegated tasks. Use when a user asks for another model's perspective, wants to compare answers, or requests delegating a subtask to Gemini/Codex/Qwen.
NickCrew/Claude-Cortex 13
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multi-perspective-analysis
Adopt multiple expert personas sequentially for complex problem analysis from diverse perspectives. Single-agent only — do NOT spawn sub-agents.
NickCrew/Claude-Cortex 13
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openapi-specification
OpenAPI 3.x specification design, schema patterns, and validation for REST API contracts. Use when creating or maintaining API specifications, generating documentation, or validating API contracts.
NickCrew/Claude-Cortex 13
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playwright-cli
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
NickCrew/Claude-Cortex 13
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python-performance-optimization
Python performance optimization patterns using profiling, algorithmic improvements, and acceleration techniques. Use when optimizing slow Python code, reducing memory usage, or improving application throughput and latency.
NickCrew/Claude-Cortex 13
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python-testing-patterns
Python testing patterns and best practices using pytest, mocking, and property-based testing. Use when writing unit tests, integration tests, or implementing test-driven development in Python projects.
NickCrew/Claude-Cortex 13
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quality-audit
Meta-skill for auditing and validating skill quality. Use when reviewing skills for consistency, completeness, accuracy, and adherence to standards. Provides structured rubrics, scoring frameworks, and actionable recommendations.
NickCrew/Claude-Cortex 13
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receiving-code-review
Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation
NickCrew/Claude-Cortex 13
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reference-documentation
Create exhaustive technical references, API documentation, and searchable reference materials. Use when building API docs, configuration references, or complete technical specifications.
NickCrew/Claude-Cortex 13
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release-prep
Use when preparing a production release or release candidate - provides a checklist-driven workflow for validation, versioning, build optimization, documentation updates, and deployment readiness.
NickCrew/Claude-Cortex 13
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session-management
Use when loading, saving, or reflecting on session context - provides structured workflows for session lifecycle management and reflection outputs.
NickCrew/Claude-Cortex 13
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skill-creator
Guide for creating effective skills. Use 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.
NickCrew/Claude-Cortex 13
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system-design
Use when designing system architecture, APIs, components, or data models - provides a structured design workflow with validation and documentation outputs.
NickCrew/Claude-Cortex 13
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task-orchestration
Use when coordinating complex tasks with orchestration, delegation, or parallel workstreams - provides structured workflows for orchestrate:brainstorm, orchestrate:spawn, and orchestrate:task.
NickCrew/Claude-Cortex 13
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testing-anti-patterns
Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies
NickCrew/Claude-Cortex 13
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testing-skills-with-subagents
Use when creating or editing skills, before deployment, to verify they work under pressure and resist rationalization - applies RED-GREEN-REFACTOR cycle to process documentation by running baseline without skill, writing to address failures, iterating to close loopholes
NickCrew/Claude-Cortex 13
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tool-selection
Use when selecting between MCP tools based on task complexity and requirements - provides a structured selection workflow and decision rationale.
NickCrew/Claude-Cortex 13
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using-git-worktrees
Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git worktrees with smart directory selection and safety verification
NickCrew/Claude-Cortex 13