python
Build, review, and refactor Python backend services. Use for tasks like FastAPI/Flask service setup, API design, request/response schemas, database access (PostgreSQL), migrations, background jobs, observability (logging/metrics/tracing), authentication, configuration, testing, and production hardening.
model
Algorithm/model development and fine-tuning skill. Use for tasks like dataset design/cleaning, supervised fine-tuning (SFT), preference optimization (DPO/RLHF concepts), LoRA/QLoRA, training configs, evaluation (offline/online), safety checks, deployment packaging, and cost/performance trade-offs.
nginx
Nginx ops skill for configuring and operating Nginx as reverse proxy, web server, and ingress layer. Use for tasks like writing safe nginx.conf/server blocks, TLS, HTTP/2, caching, rate limiting, load balancing, observability, and troubleshooting 4xx/5xx, timeouts, and performance issues.
data-warehouse
Data warehouse (大数据/数仓) ops skill for designing and operating analytical data platforms. Use for tasks like defining source-of-truth, building ETL/ELT pipelines, dimensional modeling (star schema), data quality checks, partitioning strategies, cost/performance tuning, governance, lineage, and SLA monitoring.
k8s
Kubernetes ops skill for deploying, operating, and troubleshooting services on Kubernetes. Use for tasks like writing manifests/Helm, configuring deployments/services/ingress, autoscaling, observability, RBAC, secrets/configmaps, rollout/rollback, incident debugging, and production readiness checks.
qa
QA workflow for software projects. Use for tasks like writing test plans, deriving test cases from PRDs, risk-based testing, API testing, UI testing, test data design, defect reporting, release checklists, and setting up automation strategy (unit/integration/e2e) with clear entry/exit criteria.
wechat-minware
Build, review, and refactor WeChat Mini Program (微信小程序) frontends. Use for tasks like WXML/WXSS/JS/TS structure, page routing, componentization, state management patterns, API requests, login/openid flows integration points, performance optimization (setData), security/privacy compliance, and release/QA checklists.
nextjs
Build, review, and refactor Next.js (App Router) frontend projects with TypeScript. Use for tasks like creating pages/layouts, routing, server components vs client components, data fetching patterns, UI component structure, forms/validation, auth integration points, env vars, linting/testing, and production deployment readiness.
ios
Build, review, and refactor iOS mobile apps (Swift) using modern iOS patterns. Use for tasks like SwiftUI UI, navigation, state management, networking (URLSession), persistence (Core Data/SwiftData/Keychain), dependency injection, modularization (SPM), testing, performance, accessibility, and App Store release readiness.
android
Build, review, and refactor Android mobile apps (Kotlin) using modern Android patterns. Use for tasks like setting up Gradle modules, Jetpack Compose UI, navigation, ViewModel/state management, networking (Retrofit/OkHttp), persistence (Room/DataStore), DI (Hilt/Koin), testing, performance, release builds, and Play Store readiness.
redis
Redis DBA skill for cache/data-structure design, performance tuning, memory optimization, persistence (RDB/AOF), replication/cluster, high availability (Sentinel), and operational troubleshooting. Use for tasks like diagnosing latency spikes, eviction issues, hot keys, and designing safe cache patterns.
mysql
MySQL DBA skill for schema design review, indexing, query performance tuning (EXPLAIN), transaction/isolation issues, replication/high availability, backup/restore, and operational checklists. Use for tasks like diagnosing slow queries, designing keys/indexes, partitioning strategy, and safe online schema changes.
postgresql
PostgreSQL DBA skill for schema design review, indexing, query tuning (EXPLAIN/ANALYZE), vacuum/autovacuum, concurrency/locking, partitioning, backup/restore, replication/HA, and safe migrations. Use for tasks like diagnosing slow queries, designing indexes and constraints, and operating Postgres in production.
research-by-reddit
基于 Reddit API 进行深度调研并生成研究报告。支持搜索、获取帖子、评论分析、情感分析等功能
obsidian-organize
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elasticsearch
Elasticsearch DBA skill for index/mapping design, query tuning, cluster sizing and operations, shard/replica strategy, ILM, monitoring, troubleshooting (hot nodes, GC, rejected requests), and safe reindexing/upgrades. Use for tasks like designing search schemas, diagnosing performance issues, and operating ES in production.
podcast-publish-xiaoyuzhou
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arch-ddd
Apply Domain-Driven Design (DDD) architecture to backend projects. Use for tasks like defining bounded contexts, aggregates and invariants, entities/value objects, domain services, repositories, domain events, application services, anti-corruption layers, and aligning code structure and APIs with domain language while avoiding anemic models.
pg-doc-schema-review
Review and fix PRD/BP/tech design Markdown that includes PostgreSQL table DDL and API examples. Use to enforce these conventions: no auto-increment primary keys, no foreign keys, avoid join-based designs, unique constraints written with UNIQUE (not CREATE UNIQUE INDEX), detailed COMMENTs for tables/columns, and entity/aggregate-root tables include create_time and update_time.
ui
UI/UE (user interface & user experience) skill for designing and reviewing interfaces. Use for tasks like creating UI specs, interaction states, component guidelines, visual hierarchy, responsive layouts, accessibility, design tokens, and handoff-ready requirements for engineers.
ue
UE (user experience engineering) skill for defining end-to-end user experience behavior and interaction logic. Use for tasks like flow design, interaction models, state machines, error recovery, input validation, usability heuristics, accessibility, and turning UX intent into testable acceptance criteria for implementation.
social-intelligence
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upload-and-share
Upload files to the cloud and get shareable public URLs using agentupload.dev (x402 micropayments). Use when the user asks to upload a file, share a file via URL, host a file, make a file publicly accessible, or needs a download link for any file. Triggers on phrases like "upload this", "share this file", "get me a link", "host this file", "make this downloadable", or any request to put a local file on the internet.
people-property
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news-shopping
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media-generation
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local-search
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data-enrichment
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web-research
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wallet
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ux-researcher-designer
UX research and design toolkit for Senior UX Designer/Researcher including data-driven persona generation, journey mapping, usability testing frameworks, and research synthesis. Use for user research, persona creation, journey mapping, and design validation.
web-artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
jira-integration
Agent Skill: Comprehensive Jira integration through lightweight Python scripts. AUTOMATICALLY TRIGGER when user mentions Jira URLs like 'https://jira.*/browse/*', 'https://*.atlassian.net/browse/*', or issue keys like 'PROJ-123'. Use when searching issues (JQL), getting/updating issue details, creating issues, transitioning status, adding comments, logging worklogs, managing sprints and boards, creating issue links, or formatting Jira wiki markup. If authentication fails, offer to configure credentials interactively. Supports both Jira Cloud and Server/Data Center with automatic authentication detection. By Netresearch.
apify-ecommerce
Scrape e-commerce data for pricing intelligence, customer reviews, and seller discovery across Amazon, Walmart, eBay, IKEA, and 50+ marketplaces. Use when user asks to monitor prices, track competitors, analyze reviews, research products, or find sellers.
skill-creator
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
senior-security
Comprehensive security engineering skill for application security, penetration testing, security architecture, and compliance auditing. Includes security assessment tools, threat modeling, crypto implementation, and security automation. Use when designing security architecture, conducting penetration tests, implementing cryptography, or performing security audits.
senior-secops
Comprehensive SecOps skill for application security, vulnerability management, compliance, and secure development practices. Includes security scanning, vulnerability assessment, compliance checking, and security automation. Use when implementing security controls, conducting security audits, responding to vulnerabilities, or ensuring compliance requirements.
senior-qa
Comprehensive QA and testing skill for quality assurance, test automation, and testing strategies for ReactJS, NextJS, NodeJS applications. Includes test suite generation, coverage analysis, E2E testing setup, and quality metrics. Use when designing test strategies, writing test cases, implementing test automation, performing manual testing, or analyzing test coverage.
social-media-analyzer
Analyzes social media campaign performance across platforms with engagement metrics, ROI calculations, and audience insights for data-driven marketing decisions
senior-prompt-engineer
World-class prompt engineering skill for LLM optimization, prompt patterns, structured outputs, and AI product development. Expertise in Claude, GPT-4, prompt design patterns, few-shot learning, chain-of-thought, and AI evaluation. Includes RAG optimization, agent design, and LLM system architecture. Use when building AI products, optimizing LLM performance, designing agentic systems, or implementing advanced prompting techniques.
senior-ml-engineer
World-class ML engineering skill for productionizing ML models, MLOps, and building scalable ML systems. Expertise in PyTorch, TensorFlow, model deployment, feature stores, model monitoring, and ML infrastructure. Includes LLM integration, fine-tuning, RAG systems, and agentic AI. Use when deploying ML models, building ML platforms, implementing MLOps, or integrating LLMs into production systems.
tdd-guide
Comprehensive Test Driven Development guide for engineering subagents with multi-framework support, coverage analysis, and intelligent test generation
tech-stack-evaluator
Comprehensive technology stack evaluation and comparison tool with TCO analysis, security assessment, and intelligent recommendations for engineering teams
domain-name-brainstormer
Generates creative domain name ideas for your project and checks availability across multiple TLDs (.com, .io, .dev, .ai, etc.). Saves hours of brainstorming and manual checking.
template-skill
Replace with description of the skill and when Claude should use it.
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
senior-fullstack
Comprehensive fullstack development skill for building complete web applications with React, Next.js, Node.js, GraphQL, and PostgreSQL. Includes project scaffolding, code quality analysis, architecture patterns, and complete tech stack guidance. Use when building new projects, analyzing code quality, implementing design patterns, or setting up development workflows.
senior-frontend
Comprehensive frontend development skill for building modern, performant web applications using ReactJS, NextJS, TypeScript, Tailwind CSS. Includes component scaffolding, performance optimization, bundle analysis, and UI best practices. Use when developing frontend features, optimizing performance, implementing UI/UX designs, managing state, or reviewing frontend code.
senior-devops
Comprehensive DevOps skill for CI/CD, infrastructure automation, containerization, and cloud platforms (AWS, GCP, Azure). Includes pipeline setup, infrastructure as code, deployment automation, and monitoring. Use when setting up pipelines, deploying applications, managing infrastructure, implementing monitoring, or optimizing deployment processes.
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