Skills.
Give your AI a better way to work.
A skill is a set of written instructions that teaches an AI how to do one job the way it should be done: review a pull request, plan a migration, write the release notes.
Install one here and it travels with your account into Claude, Claude Code, Cursor and every other client you sign in with.
Category: AI & models
8,868 results · page 265 of 296
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a2a-agent-networkingSkillAI & models
Expose agents as A2A JSON-RPC servers discoverable via Agent Cards, and connect agents to remote A2A agents using the client discovery and capability-matching APIs.
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agent-tddSkillAI & models
Test-Driven Development for the Reactive Agents codebase. Effect-TS aware TDD with mandatory timeout flags, Effect.flip error testing, Layer isolation, and dangling-server prevention. Use when implementing any feature or fixing any bug.
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agrSkillAI & models
AGR: Artificial General Research — autonomous iterative optimization framework for Claude Code. Generalizes Karpathy's autoresearch to any measurable problem with variance-aware acceptance, correctness verification, and fresh-context-per-iteration (Ralph Loop). Use when setting up autoresearch, crea
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architecture-referenceSkillAI & models
Reactive Agents framework architecture — layer stack, dependency graph, build order, and package structure. Use when planning work, understanding package relationships, or determining build dependencies.
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bashlessSkillAI & models
Amend an existing Claude Code setup to replace the Bash tool with structured MCP tools, reducing agent reliance on unstructured shell access.
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build-packageSkillAI & models
Add a new package to the Reactive Agents monorepo. Covers scaffolding, package.json, tsconfig, layer wiring, and index exports. Use when creating a net-new @reactive-agents/* package.
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builder-api-referenceSkillAI & models
Configure a ReactiveAgentBuilder with the correct layer composition for any agent use case.
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building-chat-widgetsSkillAI & models
Build interactive AI chat widgets with buttons, forms, and bidirectional actions. Use when creating agentic UIs with clickable widgets, entity tagging (@mentions), composer tools, or server-handled widget actions. Covers full widget lifecycle. NOT when building simple text-only chat without interact
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building-chatgpt-appsSkillAI & models
Guides creation of ChatGPT Apps with interactive widgets using OpenAI Apps SDK and MCP servers. Use when building ChatGPT custom apps with visual UI components, embedded widgets, or rich interactive experiences. Covers widget architecture, MCP server setup with FastMCP, response metadata, and Develo
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busic-skills-maintenanceSkillAI & models
BuSic Skills maintenance guidelines. Used when maintaining and refactoring .agents/skills to standardize directory structure, templates, update timing, self-check procedures, and the boundary of responsibilities with docs.
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chatkit-actionsSkillAI & models
Implements interactive widget actions and bidirectional communication patterns for ChatKit. This skill should be used when building AI-driven interactive UIs with buttons, forms, entity tagging (@mentions), composer tools, and server-handled widget actions. Covers the full widget lifecycle from crea
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chatkit-streamingSkillAI & models
Implements real-time streaming UI patterns for ChatKit applications. This skill should be used when adding response lifecycle management, progress indicators, client effects, and thread state synchronization. Covers onResponseStart/End, onEffect, ProgressUpdateEvent, and thread lifecycle events.
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checkpointSkillAI & models
Review and approval for work made by AI agents. Fair Source, self-hostable, and MCP-native.
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codebase-health-sweepSkillAI & models
Use when the codebase may have accumulated bugs, failing tests, type errors, dead code, inefficiencies, or drift from known quality standards — before a release, after a large feature merge, or on a recurring maintenance cadence. Also triggers when build is red, `bun test` has unexpected failures, o
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cortex-lab-testSkillAI & models
Smoke-test skill for the Cortex desk. Use to verify Living skills paths (e.g. apps/cortex/.agents/skills) load via withSkills. No side effects.
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cost-budget-enforcementSkillAI & models
Set per-request, per-session, daily, and monthly spend limits, configure rate limiting and circuit breakers, and isolate costs per user or tenant.
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derive-workflowsSkillAI & models
Build, explain, preview, repair, or run Derive graphs and bounded loops. Use when someone wants an agent workflow, graph, loop, human-decision path, multi-context plan, or a clear account of what will happen before work runs. Skip ordinary one-step artifact creation.
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domain-checkerSkillAI & models
Bulk domain availability checker. Use when the user wants to check whether one or many domain names are available for registration (e.g., "is acme.com free", "check these 50 domains", "find an available .io for my brand"). Supports any TLD (.com/.net/.io/.ai/.dev/.app/...), parallel checking, three
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dotnet-testingSkillAI & models
.NET testing hub skill providing an overview and guided navigation. Triggered when users ask general testing questions like "how to write .NET tests", "getting started with .NET testing", "which testing tools do I need", "testing best practices", or "learning testing from scratch". Recommends the ri
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dotnet-testing-advancedSkillAI & models
.NET advanced testing skill overview and guidance hub. Triggered when users ask about advanced testing needs such as "integration testing", "API testing", "containerized testing", "microservices testing", "test framework migration", "Testcontainers", or "Aspire testing". Recommends suitable combinat
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dotnet-testing-advanced-aspire-testingSkillAI & models
.NET Aspire Testing 整合測試框架完整指南。當需要測試 .NET Aspire 分散式應用程式、設定 AppHost 測試或從 Testcontainers 遷移至 Aspire 測試時使用。涵蓋 DistributedApplicationTestingBuilder、容器生命週期管理、多服務編排、Respawn 配置與時間可測試性設計。 Make sure to use this skill whenever the user mentions .NET Aspire, AppHost testing, DistributedApplicationTestingBuild
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dotnet-testing-advanced-aspnet-integration-testingSkillAI & models
ASP.NET Core 整合測試的專門技能。當需要測試 Web API 端點、HTTP 請求/回應、中介軟體、依賴注入時使用。涵蓋 WebApplicationFactory、TestServer、HttpClient 測試、記憶體資料庫配置等。 Make sure to use this skill whenever the user mentions ASP.NET Core integration testing, WebApplicationFactory, TestServer, HTTP endpoint testing, or middleware testing, even
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dotnet-testing-advanced-tunit-advancedSkillAI & models
TUnit 進階應用完整指南。當需要使用 TUnit 進行資料驅動測試、依賴注入或整合測試時使用。涵蓋 MethodDataSource、ClassDataSource、Matrix Tests、Properties 過濾。包含 Retry/Timeout 控制、WebApplicationFactory 整合、Testcontainers 多服務編排。 Make sure to use this skill whenever the user mentions TUnit advanced, MethodDataSource, ClassDataSource, Matrix Tests, T
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dotnet-testing-advanced-tunit-fundamentalsSkillAI & models
TUnit 新世代測試框架入門完整指南。當需要使用 TUnit 建立測試專案或從 xUnit 遷移至 TUnit 時使用。涵蓋 Source Generator 驅動測試發現、AOT 編譯支援、流暢式非同步斷言。包含專案建立、[Test] 屬性、生命週期管理、並行控制與 xUnit 語法對照。 Make sure to use this skill whenever the user mentions TUnit, Source Generator testing, AOT test framework, TUnit vs xUnit, or migrating to TUnit, even
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dotnet-testing-advanced-webapi-integration-testingSkillAI & models
ASP.NET Core WebApi 整合測試完整指南。當需要對 WebApi 端點進行整合測試或驗證 ProblemDetails 錯誤格式時使用。涵蓋 WebApplicationFactory、IExceptionHandler、Testcontainers 多容器編排、Flurl URL 建構與 AwesomeAssertions HTTP 驗證。 Make sure to use this skill whenever the user mentions WebApi integration testing, ProblemDetails, IExceptionHandler, F
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dotnet-testing-advanced-xunit-upgrade-guideSkillAI & models
xUnit 2.9.x 到 3.x 升級完整指南。當需要將 xUnit v2 升級至 v3 或了解 xUnit v3 新功能與破壞性變更時使用。涵蓋套件更新、async void 修正、IAsyncLifetime 調整。包含新功能介紹: Assert.Skip、Explicit Tests、Matrix Theory、Assembly Fixtures。 Make sure to use this skill whenever the user mentions xUnit upgrade, xUnit v3, xUnit migration, xUnit breaking changes,
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dotnet-testing-autodata-xunit-integrationSkillAI & models
AutoFixture 與 xUnit 整合完整指南。當需要使用 AutoData 或 InlineAutoData 簡化 xUnit 參數化測試資料準備時使用。涵蓋自訂 Customization 與測試資料屬性，提升測試可讀性與維護性。 Make sure to use this skill whenever the user mentions AutoData, InlineAutoData, MemberAutoData, AutoFixture xUnit integration, or parameterized test data attributes, even if they
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dotnet-testing-autofixture-basicsSkillAI & models
使用 AutoFixture 自動產生測試資料的基礎技能。當需要快速產生測試物件、減少樣板程式碼、實現匿名測試時使用。涵蓋 Fixture.Create、CreateMany、循環參考處理、與 xUnit 整合等。 Make sure to use this skill whenever the user mentions AutoFixture, fixture.Create, anonymous testing, auto-generating test data, or reducing test boilerplate, even if they don't explicitly as
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dotnet-testing-autofixture-bogus-integrationSkillAI & models
AutoFixture 與 Bogus 整合完整指南。當需要結合 AutoFixture 與 Bogus 產生兼具匿名性與真實感的測試資料時使用。涵蓋 SpecimenBuilder 整合、混合產生器、測試資料工廠與循環參考處理。 Make sure to use this skill whenever the user mentions AutoFixture with Bogus, Faker integration, realistic test data, semantic test data, or HybridTestDataGenerator, even if they don'
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dotnet-testing-autofixture-customizationSkillAI & models
AutoFixture 進階自訂化技術完整指南。當需要自訂 AutoFixture 建構器或處理特殊型別的測試資料產生規則時使用。涵蓋 DataAnnotations 自動整合、ISpecimenBuilder 實作、優先順序管理。包含 DateTime/數值範圍建構器、泛型化設計與流暢式擴充方法。 Make sure to use this skill whenever the user mentions AutoFixture customization, ISpecimenBuilder, DataAnnotations with AutoFixture, or custom build
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What is a skill?
A skill is plain text, usually a SKILL.md file and the scripts it refers to, written for an AI rather than for a person. It carries the steps, the house rules and the examples a good answer needs, so you stop pasting the same briefing into every new chat.
53,585 of the 54,017 skills listed here can be served through ahel today, and they come from public repositories. Each one has its own page with the instructions themselves on it, so you can read what a skill will tell your AI to do before you install it.
Install one and every AI you use gets it
Installing a skill adds it to your gateway and turns it on in the same step. Claude Code surfaces it as a slash command; any client can read the full instructions with the skill_read tool.
Nothing is copied into a project folder. The instructions are served from your account, so the same skill is there in every AI you connect, and turning it off removes it from all of them at once.