Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
-
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
-
code-quality-workflow
Use when assessing or improving code quality, maintainability, performance, or security hygiene - provides workflows for analysis, code review, and systematic improvements with validation steps.
NickCrew/Claude-Cortex 13
-
vibe-security
This skill helps Claude write secure web applications. Use when working on any web application to ensure security best practices are followed.
NickCrew/Claude-Cortex 13
-
build-optimization
Build system optimization covering compilation, caching, incremental builds, and developer tooling. Use when improving build times, configuring CI pipelines, or designing developer tools.
NickCrew/Claude-Cortex 13
-
api-gateway-patterns
API Gateway patterns for routing, authentication, rate limiting, and service composition in microservices architectures. Use when implementing API gateways, building BFF layers, or managing service-to-service communication at scale.
NickCrew/Claude-Cortex 13
-
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
-
design-system-architecture
Build scalable design systems with design tokens, component APIs, and documentation. Use when creating or evolving component libraries.
NickCrew/Claude-Cortex 13
-
doc-completeness-audit
Audit documentation completeness by mapping what a doc set should cover against what it actually covers. Produces a prioritized gap report by topic, not just by file. This skill should be used after shipping features, before releases, or when users report missing documentation.
NickCrew/Claude-Cortex 13
-
your-skill-name
Brief description of what this skill does and provides. Use when [clear trigger condition that indicates this skill should activate]. Keep under 200 words.
NickCrew/Claude-Cortex 13
-
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
-
api-design-patterns
Comprehensive REST and GraphQL API design patterns with versioning, pagination, error handling, and HATEOAS principles. Use when designing APIs, defining endpoints, or architecting service contracts requiring production-grade patterns.
NickCrew/Claude-Cortex 13
-
async-python-patterns
Python asyncio and concurrent programming patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.
NickCrew/Claude-Cortex 13
-
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
-
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
NickCrew/Claude-Cortex 13
-
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
-
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
-
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
-
test-generation
Use when generating tests for new or existing code to improve coverage - provides a structured workflow for analyzing code, creating tests, and validating coverage goals.
NickCrew/Claude-Cortex 13
-
development-estimation
Use when estimating time, effort, or complexity for features or projects - provides structured estimation workflows with breakdowns, risks, and confidence intervals.
NickCrew/Claude-Cortex 13
-
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
-
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
-
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
-
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
-
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.
NickCrew/Claude-Cortex 13