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NickCrew

NickCrew

339 Skills published on GitHub.

development-estimation

Use when estimating time, effort, or complexity for features or projects - provides structured estimation workflows with breakdowns, risks, and confidence intervals.

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dispatching-parallel-agents

Use when facing 3+ independent failures that can be investigated without shared state or dependencies - dispatches multiple Claude agents to investigate and fix independent problems concurrently

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doc-claim-validator

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doc-maintenance

Systematic documentation audit and maintenance. This skill should be used when documentation may be stale, missing, or misorganized — after feature work, refactors, dependency upgrades, or as a periodic health check. It prescribes folder structure for docs/ and manual/, dispatches haiku subagents for codebase/doc scanning, and routes doc creation to specialized agents (reference-builder, technical-writer, learning-guide) with docs-architect as quality gate.

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docx

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

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pdf

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

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pptx

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

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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

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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.

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evaluator-optimizer

Iterative refinement workflow for polishing code, documentation, or designs through systematic evaluation and improvement cycles. Use when refining drafts into production-grade quality.

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event-driven-architecture

Event-driven architecture patterns with event sourcing, CQRS, and message-driven communication. Use when designing distributed systems, microservices communication, or systems requiring eventual consistency and scalability.

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feature-implementation

Use when implementing a feature or multi-file code change - provides structured implementation flow with persona selection, validation, and testing guidance.

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finishing-a-development-branch

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup

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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.

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github-actions-workflows

GitHub Actions workflow patterns for CI/CD including matrix builds, reusable workflows, secrets management, and caching strategies. Use when setting up or optimizing GitHub Actions pipelines.

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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.

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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.

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implementation-workflow

Use when turning PRDs or feature specs into actionable implementation workflows - provides structured task decomposition, dependency mapping, and validation gates.

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incident-response

Incident triage, cascade prevention, and postmortem methodology. Use when handling production incidents, designing resilience patterns, or conducting chaos engineering exercises.

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interaction-design

User flow design, micro-interactions, and interface behavior patterns with state management for all interaction conditions. Use when designing natural interactions, feedback systems, or handling error states.

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internal-comms

A set of resources to help write all kinds of internal communications, using company-specific formats. Use when asked to write internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

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knowledge-synthesis

Extract insights from multi-agent interactions, identify patterns, and build collective intelligence through cross-agent learning and knowledge management. Use when synthesizing findings, building knowledge bases, or improving system-wide practices.

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kubernetes-deployment-patterns

Kubernetes deployment strategies and workload patterns for production-grade applications. Use when deploying to Kubernetes, implementing rollout strategies, or designing cloud-native application architectures.

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kubernetes-security-policies

Kubernetes security policies, RBAC, and Pod Security Standards for hardened cluster deployments. Use when implementing cluster security, defining network policies, or enforcing security compliance in Kubernetes environments.

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legacy-modernization

Modernize legacy systems using proven migration patterns like strangler fig, feature flags, and incremental refactoring. Use when planning system migrations, modernizing monoliths, or managing technical debt.

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mermaid-diagramming

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microservices-patterns

Comprehensive microservices architecture patterns covering service decomposition, communication, data management, and resilience strategies. Use when designing distributed systems, breaking down monoliths, or implementing service-to-service communication.

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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.

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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.

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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.

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owasp-top-10

OWASP Top 10 security vulnerabilities with detection and remediation patterns. Use when conducting security audits, implementing secure coding practices, or reviewing code for common security vulnerabilities.

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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.

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product-strategy

Product vision, roadmap development, and go-to-market execution with structured prioritization frameworks. Use when evaluating features, planning product direction, or assessing market fit.

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prompt-engineering

Optimize prompts for LLMs and AI systems with structured techniques, evaluation patterns, and synthetic test data generation. Use when building AI features, improving agent performance, or crafting system prompts.

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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.

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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.

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quality-audit

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react-performance-optimization

React performance optimization patterns using memoization, code splitting, and efficient rendering strategies. Use when optimizing slow React applications, reducing bundle size, or improving user experience with large datasets.

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reasoning-controls

Use when adjusting reasoning depth, budgets, or metrics visibility - provides guidance for selecting and applying reasoning controls safely.

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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

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reference-documentation

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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.

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repo-cleanup

Use when a repository needs cleanup of dead code, build artifacts, unused dependencies, outdated docs, or stale tests - provides safe cleanup workflows, validation steps, and reporting templates for code, deps, docs, tests, and sprint archives.

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requesting-code-review

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

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requirements-discovery

Stakeholder interviews, PRD structure, and scope definition for software requirements elicitation. Use when gathering requirements, defining project scope, or structuring product requirement documents.

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research-methodology

Structured research using sophisticated query design, source vetting, and synthesis techniques. Use when conducting competitive analysis, market scans, historical investigations, or trend research.

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root-cause-tracing

Use when errors occur deep in execution and you need to trace back to find the original trigger - systematically traces bugs backward through call stack, adding instrumentation when needed, to identify source of invalid data or incorrect behavior

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secure-coding-practices

Secure coding practices and defensive programming patterns for building security-first applications. Use when implementing authentication, handling user input, managing sensitive data, or conducting secure code reviews.

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security-testing-patterns

Security testing patterns including SAST, DAST, penetration testing, and vulnerability assessment techniques. Use when implementing security testing pipelines, conducting security audits, or validating application security controls.

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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.

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