Claude Code skills you can import into your workflow. Copy a skill into ~/.claude/skills/ and Claude Code runs it on demand.

Development

Skill/fanout

Fanout: orchestrate parallel agents

Hand one Claude session a task list and it manages a team of workers across your projects, spawning, attending, and merging their work.

orchestrationagentscliautomationparallelguild
Skill/scaffold

Scaffold

Scaffold a new feature with files, tests, and types

scaffoldboilerplatefeaturegeneratenew
Skill/add-api

Add API

Add a new API endpoint with validation and tests

apiendpointrestvalidationbackend
Skill/add-auth

Add Auth

Implement authentication flow

authauthenticationloginjwtsession
Skill/add-db-migration

Add DB Migration

Create a database migration

databasemigrationschemasqlorm
Skill/optimize

Optimize

Profile and optimize performance bottlenecks

performanceoptimizationprofilingspeedmemory
Skill/api-contract-checker

Api Contract Checker

Validate API changes against an expected contract

apicontractsvalidationendpoints
Skill/api-error-taxonomy

Api Error Taxonomy

Define consistent API error codes and responses

apicontractsvalidationendpoints
Skill/api-request-builder

Api Request Builder

Build a basic HTTP request (curl or fetch) for an API

apicontractsvalidationendpoints
Skill/graphql-query-optimizer

Graphql Query Optimizer

Optimize GraphQL queries and resolvers for performance

apicontractsvalidationendpoints
Skill/caching-strategy-helper

Caching Strategy Helper

Recommend caching strategies and invalidation patterns

backendcachingpatternsdesign
Skill/feature-flag-playbook

Feature Flag Playbook

Plan feature flag rollout and cleanup

backendcachingpatternsdesign
Skill/queue-processing-patterns

Queue Processing Patterns

Design safe queue consumers and retries

backendcachingpatternsdesign
Skill/system-design-draft

System Design Draft

Draft a practical system design for a feature

backendcachingpatternsdesign
Skill/data-governance-check

Data Governance Check

Review data handling for privacy and retention

datadatabasemigrationsql
Skill/db-migration-reviewer

Db Migration Reviewer

Review database migrations for safety and rollback

datadatabasemigrationsql
Skill/sql-query-starter

Sql Query Starter

Draft a basic SQL query from a simple requirement

datadatabasemigrationsql
Skill/codebase-orientation

Codebase Orientation

Guide quick orientation of an unfamiliar codebase with module mapping, entry points, and local run steps

onboardingsetupdebuggingtools
Skill/config-file-explainer

Config File Explainer

Explain a configuration file and its key options

onboardingsetupdebuggingtools
Skill/data-structure-chooser

Data Structure Chooser

Recommend basic data structures for a task

onboardingsetupdebuggingtools
Skill/debugging-checklist

Debugging Checklist

Provide a systematic debugging checklist

onboardingsetupdebuggingtools
Skill/dependency-install-helper

Dependency Install Helper

Guide installation of project dependencies and toolchains

onboardingsetupdebuggingtools
Skill/error-message-explainer

Error Message Explainer

Explain compiler/runtime errors in plain language

onboardingsetupdebuggingtools
Skill/git-basic-helper

Git Basic Helper

Provide safe git commands for common tasks

onboardingsetupdebuggingtools
Skill/linter-fix-guide

Linter Fix Guide

Explain lint errors and propose fixes

onboardingsetupdebuggingtools
Skill/log-summarizer

Log Summarizer

Summarize noisy logs into likely causes and next steps

onboardingsetupdebuggingtools
Skill/small-script-generator

Small Script Generator

Generate a small helper script for repetitive tasks

onboardingsetupdebuggingtools
Skill/ticket-breakdown

Ticket Breakdown

Break a task or ticket into small steps

onboardingsetupdebuggingtools
Skill/accessibility-basic-check

Accessibility Basic Check

Run a basic accessibility checklist for UI changes

frontendaccessibilitycssux
Skill/cli-ux-improver

Cli Ux Improver

Improve CLI help, errors, and output

frontendaccessibilitycssux
Skill/css-layout-helper

Css Layout Helper

Explain CSS layout issues and propose fixes

frontendaccessibilitycssux
Skill/ci-failure-triage

Ci Failure Triage

Diagnose CI failures and stabilize pipelines

infrastructurecidevopsdeployment
Skill/cross-service-debugger

Cross Service Debugger

Coordinate debugging across multiple services

infrastructurecidevopsdeployment
Skill/iac-reviewer

Iac Reviewer

Review infrastructure-as-code changes for safety and correctness

infrastructurecidevopsdeployment
Skill/multi-region-strategy

Multi Region Strategy

Design a multi-region architecture strategy

infrastructurecidevopsdeployment
Skill/observability-setup

Observability Setup

Set up metrics, logs, and traces for a service

infrastructurecidevopsdeployment
Skill/platform-migration-plan

Platform Migration Plan

Create a plan to migrate platforms or runtimes

infrastructurecidevopsdeployment
Skill/zero-downtime-migration

Zero Downtime Migration

Plan a zero-downtime migration for data or infrastructure

infrastructurecidevopsdeployment
Skill/bug-repro-plan

Bug Repro Plan

Create a minimal, repeatable reproduction plan for a bug

testingbugsqualityintegration
Skill/integration-test-planner

Integration Test Planner

Plan integration tests across modules or services

testingbugsqualityintegration
Skill/unit-test-starter

Unit Test Starter

Generate starter unit tests for a small function or module

testingbugsqualityintegration
Skill/systematic-debugging

Systematic Debugging

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

debuggingbugsroot-causeinvestigation

Analysis

Skill/security-audit

Security Audit

Audit code for OWASP top 10 vulnerabilities

securityauditowaspvulnerabilitiesappsec
Skill/dependency-check

Dependency Check

Check dependencies for vulnerabilities and updates

dependenciesvulnerabilitiesupdatesnpm-auditsecurity
Skill/explain

Explain

Explain how a piece of code works in detail

explainunderstandlearnwalkthroughanalysis
Skill/architecture-review

Architecture Review

Review a system architecture for scalability, reliability, and maintainability

architecturedesignreviewpatterns
Skill/domain-modeling

Domain Modeling

Model domains and bounded contexts for complex systems

architecturedesignreviewpatterns
Skill/cost-optimization-review

Cost Optimization Review

Review system costs and propose reductions

performanceoptimizationscalability
Skill/performance-budgeting

Performance Budgeting

Define performance budgets and guardrails

performanceoptimizationscalability
Skill/performance-trace-guide

Performance Trace Guide

Guide collection and analysis of performance traces

performanceoptimizationscalability
Skill/scalability-assessment

Scalability Assessment

Assess a system for growth bottlenecks

performanceoptimizationscalability
Skill/dependency-upgrade-plan

Dependency Upgrade Plan

Plan safe dependency upgrades with risk notes

planningrefactoringstrategyreview
Skill/org-standardization

Org Standardization

Define engineering standards across teams

planningrefactoringstrategyreview
Skill/pr-reviewer

Pr Reviewer

Review a pull request for correctness, regressions, and missing tests

planningrefactoringstrategyreview
Skill/refactor-roadmap

Refactor Roadmap

Create a staged refactor plan for a module

planningrefactoringstrategyreview
Skill/roadmap-prioritization

Roadmap Prioritization

Prioritize roadmap initiatives with tradeoffs

planningrefactoringstrategyreview
Skill/simple-refactor

Simple Refactor

Suggest small refactors that improve readability without changing behavior

planningrefactoringstrategyreview
Skill/tech-debt-portfolio

Tech Debt Portfolio

Assess and prioritize tech debt items

planningrefactoringstrategyreview
Skill/vendor-evaluation

Vendor Evaluation

Evaluate third-party vendors for engineering fit

planningrefactoringstrategyreview
Skill/incident-postmortem

Incident Postmortem

Draft an incident postmortem with timeline, RCA, and action items

reliabilityincidentsslamonitoring
Skill/reliability-slo-sla

Reliability Slo Sla

Define or review SLOs and SLAs for a service

reliabilityincidentsslamonitoring
Skill/compliance-readiness

Compliance Readiness

Assess readiness for compliance audits

securityauditcompliancethreats
Skill/config-hardening

Config Hardening

Harden configuration and defaults for safer deployment

securityauditcompliancethreats
Skill/dependency-risk-audit

Dependency Risk Audit

Audit dependencies for licensing, security, and maintenance risk

securityauditcompliancethreats
Skill/security-quick-scan

Security Quick Scan

Scan code or configuration for common security issues

securityauditcompliancethreats
Skill/threat-modeling

Threat Modeling

Perform threat modeling for a system or feature

securityauditcompliancethreats