arxiv-viewer
View, search, and download academic papers from arXiv. Supports API queries, web scraping via Actionbook, and HTML paper reading via ar5iv. Use when user asks about arxiv papers, academic papers, research papers, paper summaries, latest papers, or wants to search/download/read papers.
article-exporter
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actionbook-web-test
Run browser-based web tests against websites using Actionbook CLI. Activate when the user wants to test a website workflow, run smoke tests, verify a user flow, check if a web application works, run regression tests, or validate browser-based interactions. Supports test definition, execution, assertion, reporting, and json-ui visual report generation.
extract
Extract structured data from websites and produce an executable Playwright script plus extracted data. Use when the user wants to scrape, extract, pull, collect, or harvest data from any website — product listings, tables, search results, feeds, profiles, or any repeating content.
actionbook
Activate when the user needs to interact with any website — browser automation, web scraping, screenshots, form filling, UI testing, monitoring, or building AI agents. Provides pre-verified page actions with step-by-step instructions and tested selectors.
actionbook-scraper
Generate and verify web scraper scripts using Actionbook's verified selectors. Auto-validates generated scripts and fixes errors.
api-design
Design stable, compatible public APIs using extend-only design principles. Manage API compatibility, wire compatibility, and versioning for NuGet packages and distributed systems.
modern-csharp-coding-standards
Write modern, high-performance C# code using records, pattern matching, value objects, async/await, Span<T>/Memory<T>, and best-practice API design patterns. Emphasizes functional-style programming with C# 12+ features.
csharp-concurrency-patterns
Choosing the right concurrency abstraction in .NET - from async/await for I/O to Channels for producer/consumer to Akka.NET for stateful entity management. Avoid locks and manual synchronization unless absolutely necessary.
aspire-configuration
Configure Aspire AppHost to emit explicit app config via environment variables; keep app code free of Aspire clients and service discovery.
type-design-performance
Design .NET types for performance. Seal classes, use readonly structs, prefer static pure functions, avoid premature enumeration, and choose the right collection types.
aspire-service-defaults
Create a shared ServiceDefaults project for Aspire applications. Centralizes OpenTelemetry, health checks, resilience, and service discovery configuration across all services.
crap-analysis
Analyze code coverage and CRAP (Change Risk Anti-Patterns) scores to identify high-risk code. Use OpenCover format with ReportGenerator for Risk Hotspots showing cyclomatic complexity and untested code paths.
mjml-email-templates
Build responsive email templates using MJML markup language. Compiles to cross-client HTML that works in Outlook, Gmail, and Apple Mail. Includes template renderer, layout patterns, and variable substitution.
package-management
Manage NuGet packages using Central Package Management (CPM) and dotnet CLI commands. Never edit XML directly - use dotnet add/remove/list commands. Use shared version variables for related packages.
playwright-blazor-testing
Write UI tests for Blazor applications (Server or WebAssembly) using Playwright. Covers navigation, interaction, authentication, selectors, and common Blazor-specific patterns.
playwright-ci-caching
Cache Playwright browser binaries in CI/CD pipelines (GitHub Actions, Azure DevOps) to avoid 1-2 minute download overhead on every build.
dotnet-project-structure
Modern .NET project structure including .slnx solution format, Directory.Build.props, central package management, SourceLink, version management with RELEASE_NOTES.md, and SDK pinning with global.json.
serialization
Choose the right serialization format for .NET applications. Prefer schema-based formats (Protobuf, MessagePack) over reflection-based (Newtonsoft.Json). Use System.Text.Json with AOT source generators for JSON scenarios.
skills-index-snippets
Create and maintain AGENTS.md / CLAUDE.md snippet indexes that route tasks to the correct dotnet-skills skills and agents (including compressed Vercel-style indexes).
dotnet-slopwatch
Use Slopwatch to detect LLM reward hacking in .NET code changes. Run after every code modification to catch disabled tests, suppressed warnings, empty catch blocks, and other shortcuts that mask real problems.
snapshot-testing
Use Verify for snapshot testing in .NET. Approve API surfaces, HTTP responses, rendered emails, and serialized outputs. Detect unintended changes through human-reviewed baseline files.
testcontainers-integration-tests
Write integration tests using TestContainers for .NET with xUnit. Covers infrastructure testing with real databases, message queues, and caches in Docker containers instead of mocks.
verify-email-snapshots
Snapshot test email templates using Verify to catch regressions. Validates rendered HTML output matches approved baseline. Works with MJML templates and any email renderer.
mailpit-integration
Test email sending locally using Mailpit with .NET Aspire. Captures all outgoing emails without sending them. View rendered HTML, inspect headers, and verify delivery in integration tests.
database-performance
Database access patterns for performance. Separate read/write models, avoid N+1 queries, use AsNoTracking, apply row limits, and never do application-side joins. Works with EF Core and Dapper.
efcore-patterns
Entity Framework Core best practices including NoTracking by default, query splitting for navigation collections, migration management, dedicated migration services, and common pitfalls to avoid.
aspire-integration-testing
Write integration tests using .NET Aspire's testing facilities with xUnit. Covers test fixtures, distributed application setup, endpoint discovery, and patterns for testing ASP.NET Core apps with real dependencies.
dotnet-local-tools
Managing local .NET tools with dotnet-tools.json for consistent tooling across development environments and CI/CD pipelines.
marketplace-publishing
Workflow for publishing skills and agents to the dotnet-skills Claude Code marketplace. Covers adding new content, updating plugin.json, validation, and release tagging.
microsoft-extensions-configuration
Microsoft.Extensions.Options patterns including IValidateOptions, strongly-typed settings, validation on startup, and the Options pattern for clean configuration management.
dependency-injection-patterns
Organize DI registrations using IServiceCollection extension methods. Group related services into composable Add* methods for clean Program.cs and reusable configuration in tests.
akka-net-testing-patterns
Write unit and integration tests for Akka.NET actors using modern Akka.Hosting.TestKit patterns. Covers dependency injection, TestProbes, persistence testing, and actor interaction verification. Includes guidance on when to use traditional TestKit.
akka-net-management
Akka.Management for cluster bootstrapping, service discovery (Kubernetes, Azure, Config), health checks, and dynamic cluster formation without static seed nodes.
akka-net-aspire-configuration
Configure Akka.NET with .NET Aspire for local development and production deployments. Covers actor system setup, clustering, persistence, Akka.Management integration, and Aspire orchestration patterns.
akka-hosting-actor-patterns
Patterns for building entity actors with Akka.Hosting - GenericChildPerEntityParent, message extractors, cluster sharding abstraction, akka-reminders, and ITimeProvider. Supports both local testing and clustered production modes.
akka-net-best-practices
Critical Akka.NET best practices including EventStream vs DistributedPubSub, supervision strategies, error handling, Props vs DependencyResolver, work distribution patterns, and cluster/local mode abstractions for testability.
ilspy-decompile
Understand implementation details of .NET code by decompiling assemblies. Use when you want to see how a .NET API works internally, inspect NuGet package source, view framework implementation, or understand compiled .NET binaries.
r3-reactive-extensions
Build reactive/event-driven C# with R3 (Cysharp's modern reimplementation of Reactive Extensions). Covers the Observable<T>/Observer<T> model, the OnErrorResume error contract, async dispatch with AwaitOperation, Task/IAsyncEnumerable integration, TimeProvider/FrameProvider scheduling, the concurrency contract, and how R3 differs from System.Reactive (Rx.NET).
opentelemetry-net-instrumentation
Provides guidance for implementing OpenTelemetry instrumentation in .NET codebases, covering tracing (Activities/Spans), metrics, logs, naming conventions, error handling, performance, SDK setup, resources, context propagation, and API design best practices.
dotnet-devcert-trust
Diagnose and fix .NET HTTPS dev certificate trust issues on Linux. Covers the full certificate lifecycle from generation to system CA bundle inclusion, with distro-specific guidance for Ubuntu, Fedora, Arch, and WSL2.
abc-apifox
ABC 医疗云 API 文档查询工具。读取和查询 ABC API 的 OpenAPI 规范文档（5000+ 接口），支持按模块、路径、方法搜索，自动解析 $ref 引用。采用按模块拆分的缓存结构，查询速度快。使用场景：(1) 查询 API 接口定义 (2) 搜索特定功能接口 (3) 查询 Schema 定义 (4) 查看接口统计信息
abc-backend-guide
ABC 后端开发指南。涵盖 Java/Spring Boot 基础、新建 API 接口、新建 RPC 服务、数据库变更、后端调试排查、项目启动、Git 分支管理。当用户提到"后端开发"、"Java"、"Spring Boot"、"新建接口"、"新建API"、"RPC"、"Feign"、"数据库变更"、"加字段"、"建表"、"后端调试"、"排查问题"、"日志查询"、"启动项目"、"端口"、"分支管理"等关键词时使用此技能。
jenkins-deploy
ABC Jenkins 项目发布技能。支持智能参数推断和交互式触发 Jenkins 构建，自动获取 Git 分支和标签信息。当用户请求"发布 Jenkins"、"触发构建"、"部署项目"、"Jenkins 发布"或类似操作时触发此技能。需要环境变量 JENKINS_USER 和 JENKINS_TOKEN。
abc-git-flow
ABC 后台 Git 分支管理工作流辅助。用于执行 git abc 命令进行分支操作、提供开发流程指导。当用户提到"开新分支"、"feature"、"hotfix"、"发布"、"提测"、"合并"、"灰度"、"全量"、"rc"、"tag"、"MR"、"merge request" 等关键词时使用此技能。
codeup
阿里云云效 Codeup 代码仓库管理工具集。使用场景包括：(1) 代码仓库操作 - 分支管理、文件操作、代码对比、合并请求/MR管理 (2) 组织管理 - 部门管理、成员查询、角色管理 (3) 操作 codeup 仓库、分支、MR、合并请求 (4) 查询云效组织成员、部门列表
plugin-authoring
Use when creating, modifying, or debugging Claude Code plugins. Triggers on .claude-plugin/, plugin.json, marketplace.json, commands/, agents/, skills/, hooks/ directories. Provides schemas, templates, validation workflows, and troubleshooting.
tapd
TAPD 敏捷研发管理平台集成。使用脚本调用 TAPD API，实现需求、缺陷、任务、迭代、测试用例、Wiki 等实体管理。使用场景包括：(1) 查询/创建/更新需求、缺陷、任务、迭代 (2) 管理测试用例和 Wiki (3) 管理评论和工时 (4) 关联需求与缺陷 (5) 获取源码提交关键字
tapd-bug-analyzer
自动化分析和定位 TAPD Bug 单中的问题，支持多种分析策略。
sls-trace-analyzer
根据 traceId 或 URL（带时间戳）查询阿里云日志服务 (SLS) 获取日志，分析日志内容，定位代码中的问题。
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