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From metalama-dev
Metalama framework development. Use when working on Metalama itself - aspect testing, test directives, code model, templates, diagnostics.
npx claudepluginhub postsharp/postsharp.engineering.aiskills --plugin metalama-devHow this skill is triggered — by the user, by Claude, or both
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/metalama-dev:metalama-devThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Guide for developing the Metalama framework itself.
Generating or modifying .NET code. Common agent mistakes: async, NuGet, deprecated APIs, DI.
Develops modern C# and .NET applications using records, pattern matching, async/await, and enterprise patterns. Includes testing with xUnit/NUnit, performance optimization, and NuGet configuration.
Autonomous iteration loops for .NET: build-fix, test-fix, refactor, scaffold. Bounded iterations and progress detection prevent infinite retries.
Share bugs, ideas, or general feedback.
Guide for developing the Metalama framework itself.
Note: For writing aspects, templates, and using Metalama APIs, use the metalama skill (installed separately). This skill is specifically for developing the Metalama framework code.
| Type | Description | Project suffix | Output |
|---|---|---|---|
| Aspect tests | Snapshot-based, runs through Metalama pipeline | *AspectTests | Foo.t.cs |
| Unit tests | Classic xUnit | *UnitTests | - |
| Standalone tests | Self-contained projects | - | Optional test.json |
Aspect tests support: code transformations, diagnostics, code fixes, live templates, design-time code generation, diff preview. Can execute Program.Main and compare output.
Docs: Aspect testing
For test directive documentation, use the metalama skill which has complete reference for all @ directives and metalamaTests.json options.
Quick reference: Metalama.Testing.AspectTesting/TestOptions.cs contains all options with XML documentation.
| Path | Contents |
|---|---|
%TEMP%\Metalama\CompileTimeTroubleshooting\ | Build error details |
Metalama.Testing.AspectTesting/TestOptions.cs | Test options documentation |
../Metalama.Documentation/content | Conceptual documentation |
%TEMP%\Metalama\CompileTimeTroubleshooting\...\errors.txt for actual errors.csproj → .targets → Engine code../Metalama.Documentation/content for affected articles