[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M7APFAMDN7169MVG18436MWY":3,"skill-same:01M7APFAMDN7169MVG18436MWY":78},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":19,"linkOnly":20,"markdownContent":21,"markdownBody":22,"frontMatter":23,"refName":33,"commitSha":34,"skillDirectory":35,"forksCount":36,"repositoryHtmlUrl":37,"repositoryHomepageUrl":6,"ownerHtmlUrl":38,"ownerBlogUrl":39,"ownerDescription":40,"updatedAt":41,"install":42,"resources":55},"01M7APFAMDN7169MVG18436MWY","csharp-developer",null,"Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or controller-based routing, configures database access with Entity Framework Core, implements async patterns and cancellation, structures applications with CQRS via MediatR, and scaffolds Blazor components with state management. Invoke for C#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR.","Cyrilthetecchieee\u002Fcyril-code-","Cyrilthetecchieee","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F219787998?v=4","01M7AF0MMMKRAA0H61XMJPV92H","Julian Cyril D ","01M7AF0MQ10AVG6QJQ1C2BC0F5",2,"MIT","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002FSKILL.md",[],[],"2026-11-15 14:19:17",false,"---\nname: csharp-developer\ndescription: \"Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or controller-based routing, configures database access with Entity Framework Core, implements async patterns and cancellation, structures applications with CQRS via MediatR, and scaffolds Blazor components with state management. Invoke for C#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR.\"\nlicense: MIT\nmetadata:\n  author: https:\u002F\u002Fgithub.com\u002FJeffallan\n  version: \"1.1.0\"\n  domain: language\n  triggers: C#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR\n  role: specialist\n  scope: implementation\n  output-format: code\n  related-skills: api-designer, database-optimizer, devops-engineer\n---\n\n# C# Developer\n\nSenior C# developer with mastery of .NET 8+ and Microsoft ecosystem. Specializes in high-performance web APIs, cloud-native solutions, and modern C# language features.\n\n## When to Use This Skill\n\n- Building ASP.NET Core APIs (Minimal or Controller-based)\n- Implementing Entity Framework Core data access\n- Creating Blazor web applications (Server\u002FWASM)\n- Optimizing .NET performance with Span\u003CT>, Memory\u003CT>\n- Implementing CQRS with MediatR\n- Setting up authentication\u002Fauthorization\n\n## Core Workflow\n\n1. **Analyze solution** — Review .csproj files, NuGet packages, architecture\n2. **Design models** — Create domain models, DTOs, validation\n3. **Implement** — Write endpoints, repositories, services with DI\n4. **Optimize** — Apply async patterns, caching, performance tuning\n5. **Test** — Write xUnit tests with TestServer; verify 80%+ coverage\n\n> **EF Core checkpoint (after step 3):** Run `dotnet ef migrations add \u003CName>` and review the generated migration file before applying. Confirm no unintended table\u002Fcolumn drops. Roll back with `dotnet ef migrations remove` if needed.\n\n## Reference Guide\n\nLoad detailed guidance based on context:\n\n| Topic | Reference | Load When |\n|-------|-----------|-----------|\n| Modern C# | `references\u002Fmodern-csharp.md` | Records, pattern matching, nullable types |\n| ASP.NET Core | `references\u002Faspnet-core.md` | Minimal APIs, middleware, DI, routing |\n| Entity Framework | `references\u002Fentity-framework.md` | EF Core, migrations, query optimization |\n| Blazor | `references\u002Fblazor.md` | Components, state management, interop |\n| Performance | `references\u002Fperformance.md` | Span\u003CT>, async, memory optimization, AOT |\n\n## Constraints\n\n### MUST DO\n- Enable nullable reference types in all projects\n- Use file-scoped namespaces and primary constructors (C# 12)\n- Apply async\u002Fawait for all I\u002FO operations — always accept and forward `CancellationToken`:\n  ```csharp\n  \u002F\u002F Correct\n  app.MapGet(\"\u002Fitems\u002F{id}\", async (int id, IItemService svc, CancellationToken ct) =>\n      await svc.GetByIdAsync(id, ct) is { } item ? Results.Ok(item) : Results.NotFound());\n  ```\n- Use dependency injection for all services\n- Include XML documentation for public APIs\n- Implement proper error handling with Result pattern:\n  ```csharp\n  public readonly record struct Result\u003CT>(T? Value, string? Error, bool IsSuccess)\n  {\n      public static Result\u003CT> Ok(T value) => new(value, null, true);\n      public static Result\u003CT> Fail(string error) => new(default, error, false);\n  }\n  ```\n- Use strongly-typed configuration with `IOptions\u003CT>`\n\n### MUST NOT DO\n- Use blocking calls (`.Result`, `.Wait()`) in async code:\n  ```csharp\n  \u002F\u002F Wrong — blocks thread and risks deadlock\n  var data = service.GetDataAsync().Result;\n\n  \u002F\u002F Correct\n  var data = await service.GetDataAsync(ct);\n  ```\n- Disable nullable warnings without proper justification\n- Skip cancellation token support in async methods\n- Expose EF Core entities directly in API responses — always map to DTOs\n- Use string-based configuration keys\n- Skip input validation\n- Ignore code analysis warnings\n\n## Output Templates\n\nWhen implementing .NET features, provide:\n1. Domain models and DTOs\n2. API endpoints (Minimal API or controllers)\n3. Repository\u002Fservice implementations\n4. Configuration setup (Program.cs, appsettings.json)\n5. Brief explanation of architectural decisions\n\n## Example: Minimal API Endpoint\n\n```csharp\n\u002F\u002F Program.cs (file-scoped, .NET 8 minimal API)\nvar builder = WebApplication.CreateBuilder(args);\nbuilder.Services.AddScoped\u003CIProductService, ProductService>();\n\nvar app = builder.Build();\n\napp.MapGet(\"\u002Fproducts\u002F{id:int}\", async (\n    int id,\n    IProductService service,\n    CancellationToken ct) =>\n{\n    var result = await service.GetByIdAsync(id, ct);\n    return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);\n})\n.WithName(\"GetProduct\")\n.Produces\u003CProductDto>()\n.ProducesProblem(404);\n\napp.Run();\n```\n\n## Knowledge Reference\n\nC# 12, .NET 8, ASP.NET Core, Minimal APIs, Blazor (Server\u002FWASM), Entity Framework Core, MediatR, xUnit, Moq, Benchmark.NET, SignalR, gRPC, Azure SDK, Polly, FluentValidation, Serilog\n\n[Documentation](https:\u002F\u002Fjeffallan.github.io\u002Fclaude-skills\u002Fskills\u002Flanguage\u002Fcsharp-developer\u002F)\n","# C# Developer\n\nSenior C# developer with mastery of .NET 8+ and Microsoft ecosystem. Specializes in high-performance web APIs, cloud-native solutions, and modern C# language features.\n\n## When to Use This Skill\n\n- Building ASP.NET Core APIs (Minimal or Controller-based)\n- Implementing Entity Framework Core data access\n- Creating Blazor web applications (Server\u002FWASM)\n- Optimizing .NET performance with Span\u003CT>, Memory\u003CT>\n- Implementing CQRS with MediatR\n- Setting up authentication\u002Fauthorization\n\n## Core Workflow\n\n1. **Analyze solution** — Review .csproj files, NuGet packages, architecture\n2. **Design models** — Create domain models, DTOs, validation\n3. **Implement** — Write endpoints, repositories, services with DI\n4. **Optimize** — Apply async patterns, caching, performance tuning\n5. **Test** — Write xUnit tests with TestServer; verify 80%+ coverage\n\n> **EF Core checkpoint (after step 3):** Run `dotnet ef migrations add \u003CName>` and review the generated migration file before applying. Confirm no unintended table\u002Fcolumn drops. Roll back with `dotnet ef migrations remove` if needed.\n\n## Reference Guide\n\nLoad detailed guidance based on context:\n\n| Topic | Reference | Load When |\n|-------|-----------|-----------|\n| Modern C# | `references\u002Fmodern-csharp.md` | Records, pattern matching, nullable types |\n| ASP.NET Core | `references\u002Faspnet-core.md` | Minimal APIs, middleware, DI, routing |\n| Entity Framework | `references\u002Fentity-framework.md` | EF Core, migrations, query optimization |\n| Blazor | `references\u002Fblazor.md` | Components, state management, interop |\n| Performance | `references\u002Fperformance.md` | Span\u003CT>, async, memory optimization, AOT |\n\n## Constraints\n\n### MUST DO\n- Enable nullable reference types in all projects\n- Use file-scoped namespaces and primary constructors (C# 12)\n- Apply async\u002Fawait for all I\u002FO operations — always accept and forward `CancellationToken`:\n  ```csharp\n  \u002F\u002F Correct\n  app.MapGet(\"\u002Fitems\u002F{id}\", async (int id, IItemService svc, CancellationToken ct) =>\n      await svc.GetByIdAsync(id, ct) is { } item ? Results.Ok(item) : Results.NotFound());\n  ```\n- Use dependency injection for all services\n- Include XML documentation for public APIs\n- Implement proper error handling with Result pattern:\n  ```csharp\n  public readonly record struct Result\u003CT>(T? Value, string? Error, bool IsSuccess)\n  {\n      public static Result\u003CT> Ok(T value) => new(value, null, true);\n      public static Result\u003CT> Fail(string error) => new(default, error, false);\n  }\n  ```\n- Use strongly-typed configuration with `IOptions\u003CT>`\n\n### MUST NOT DO\n- Use blocking calls (`.Result`, `.Wait()`) in async code:\n  ```csharp\n  \u002F\u002F Wrong — blocks thread and risks deadlock\n  var data = service.GetDataAsync().Result;\n\n  \u002F\u002F Correct\n  var data = await service.GetDataAsync(ct);\n  ```\n- Disable nullable warnings without proper justification\n- Skip cancellation token support in async methods\n- Expose EF Core entities directly in API responses — always map to DTOs\n- Use string-based configuration keys\n- Skip input validation\n- Ignore code analysis warnings\n\n## Output Templates\n\nWhen implementing .NET features, provide:\n1. Domain models and DTOs\n2. API endpoints (Minimal API or controllers)\n3. Repository\u002Fservice implementations\n4. Configuration setup (Program.cs, appsettings.json)\n5. Brief explanation of architectural decisions\n\n## Example: Minimal API Endpoint\n\n```csharp\n\u002F\u002F Program.cs (file-scoped, .NET 8 minimal API)\nvar builder = WebApplication.CreateBuilder(args);\nbuilder.Services.AddScoped\u003CIProductService, ProductService>();\n\nvar app = builder.Build();\n\napp.MapGet(\"\u002Fproducts\u002F{id:int}\", async (\n    int id,\n    IProductService service,\n    CancellationToken ct) =>\n{\n    var result = await service.GetByIdAsync(id, ct);\n    return result.IsSuccess ? Results.Ok(result.Value) : Results.NotFound(result.Error);\n})\n.WithName(\"GetProduct\")\n.Produces\u003CProductDto>()\n.ProducesProblem(404);\n\napp.Run();\n```\n\n## Knowledge Reference\n\nC# 12, .NET 8, ASP.NET Core, Minimal APIs, Blazor (Server\u002FWASM), Entity Framework Core, MediatR, xUnit, Moq, Benchmark.NET, SignalR, gRPC, Azure SDK, Polly, FluentValidation, Serilog\n\n[Documentation](https:\u002F\u002Fjeffallan.github.io\u002Fclaude-skills\u002Fskills\u002Flanguage\u002Fcsharp-developer\u002F)\n",{"name":5,"license":15,"metadata":24,"description":7},{"role":25,"scope":26,"author":27,"domain":28,"version":29,"triggers":30,"output-format":31,"related-skills":32},"specialist","implementation","https:\u002F\u002Fgithub.com\u002FJeffallan","language","1.1.0","C#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR","code","api-designer, database-optimizer, devops-engineer","main","57e7aa6b6e03bce1a7d7862ba9c2ec312f7f19b5","src\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer",0,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee","https:\u002F\u002Fwithcyril.me\u002F","Hi, I’m Julian Cyril D, a Computer Science and Business Systems student at PSNACET.\r\nI’m passionate about full-stack development, UI\u002FUX design, and building sma","2026-11-04 23:28:50",{"source":8,"skillName":5,"commands":43,"prompt":53,"zipAvailable":54},[44,47,50],{"tool":45,"command":46},"npx","npx skills add Cyrilthetecchieee\u002Fcyril-code- --skill csharp-developer",{"tool":48,"command":49},"bunx","bunx skills add Cyrilthetecchieee\u002Fcyril-code- --skill csharp-developer",{"tool":51,"command":52},"pnpm","pnpm dlx skills add Cyrilthetecchieee\u002Fcyril-code- --skill csharp-developer","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002FSKILL.md",true,[56,62,66,70,74],{"path":57,"resourceType":58,"resourceTypeDesc":59,"sizeBytes":60,"sourceHtmlUrl":61},"references\u002Faspnet-core.md","REFERENCE","参考文档",10739,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002Freferences\u002Faspnet-core.md",{"path":63,"resourceType":58,"resourceTypeDesc":59,"sizeBytes":64,"sourceHtmlUrl":65},"references\u002Fblazor.md",12940,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002Freferences\u002Fblazor.md",{"path":67,"resourceType":58,"resourceTypeDesc":59,"sizeBytes":68,"sourceHtmlUrl":69},"references\u002Fentity-framework.md",11717,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002Freferences\u002Fentity-framework.md",{"path":71,"resourceType":58,"resourceTypeDesc":59,"sizeBytes":72,"sourceHtmlUrl":73},"references\u002Fmodern-csharp.md",6219,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002Freferences\u002Fmodern-csharp.md",{"path":75,"resourceType":58,"resourceTypeDesc":59,"sizeBytes":76,"sourceHtmlUrl":77},"references\u002Fperformance.md",12454,"https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fskills\u002Fcsharp-developer\u002Freferences\u002Fperformance.md",[79,88,95,103,110,117],{"skillNo":80,"name":81,"nameZh":6,"description":82,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":83,"licenseFileUrl":84,"sourceHtmlUrl":85,"categories":86,"keywords":87,"publishedAt":19},"01M7AQV6CYX8RMC78420V9WZ62","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.","Apache-2.0","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fwebapp-testing\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fwebapp-testing\u002FSKILL.md",[],[],{"skillNo":89,"name":90,"nameZh":6,"description":91,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":92,"categories":93,"keywords":94,"publishedAt":19},"01M7AQV2895N3S1MEX6K76G6G2","youtube-downloader","Download YouTube videos with customizable quality and format options. Use this skill when the user asks to download, save, or grab YouTube videos. Supports various quality settings (best, 1080p, 720p, 480p, 360p), multiple formats (mp4, webm, mkv), and audio-only downloads as MP3.","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fvideo-downloader\u002FSKILL.md",[],[],{"skillNo":96,"name":97,"nameZh":6,"description":98,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":83,"licenseFileUrl":99,"sourceHtmlUrl":100,"categories":101,"keywords":102,"publishedAt":19},"01M7AQTRNX62DNKVZ5GXEHRBKB","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\u002Ffonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Ftheme-factory\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Ftheme-factory\u002FSKILL.md",[],[],{"skillNo":104,"name":105,"nameZh":6,"description":106,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":107,"categories":108,"keywords":109,"publishedAt":19},"01M7AQTNNVHAAN9H6DA8T6ZVE0","template-skill","Replace with description of the skill and when Claude should use it.","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Ftemplate-skill\u002FSKILL.md",[],[],{"skillNo":111,"name":112,"nameZh":6,"description":113,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":114,"categories":115,"keywords":116,"publishedAt":19},"01M7AQTJ3MQ6AKX152MEX2MYCC","tailored-resume-generator","Analyzes job descriptions and generates tailored resumes that highlight relevant experience, skills, and achievements to maximize interview chances","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Ftailored-resume-generator\u002FSKILL.md",[],[],{"skillNo":118,"name":119,"nameZh":6,"description":120,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":83,"licenseFileUrl":121,"sourceHtmlUrl":122,"categories":123,"keywords":124,"publishedAt":19},"01M7AQTD7D5MYET2YWG7HG9WM3","slack-gif-creator","Toolkit for creating animated GIFs optimized for Slack, with validators for size constraints and composable animation primitives. This skill applies when users request animated GIFs or emoji animations for Slack from descriptions like \"make me a GIF for Slack of X doing Y\".","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fslack-gif-creator\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002FCyrilthetecchieee\u002Fcyril-code-\u002Fblob\u002Fmain\u002Fsrc\u002Fcyril_code\u002Fassets\u002F.skills_repo\u002Fslack-gif-creator\u002FSKILL.md",[],[]]