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extension-points Skill

AI Agent SkillC#Open source

Guide for MSBuild extensibility: CustomBefore/CustomAfter hooks, wildcard imports with alphabetic ordering, import gating with control properties, NuGet package build extension layout (build/buildTransitive), and the MicrosoftCommonPropsHasBeenImported guard. USE FOR: diagnosing and fixing MSBuild import and hook patte Published by microsoft in testfx.

Decision snapshot

Is this a fit?

Best for

Developers using testfx, Includes SKILL.md, Reusable instructions

Works with

Compatibility not yet detected.

Access

Permission behavior not yet detected.

Setup

Copy skill directory

Project health

2 months ago · MIT license

Considerations

No specific cautions were detected. Review the source and requested permissions before installing.

What is extension-points Skill?

Guide for MSBuild extensibility: CustomBefore/CustomAfter hooks, wildcard imports with alphabetic ordering, import gating with control properties, NuGet package build extension layout (build/buildTransitive), and the MicrosoftCommonPropsHasBeenImported guard. USE FOR: diagnosing and fixing MSBuild import and hook patte Published by microsoft in testfx. This profile combines repository metadata with install, compatibility, and usage signals so developers can quickly decide whether it fits their agent workflow before opening the source repository.

Trust signal
95/100
Maintenance signal
90/100
Adoption signal
75/100

Automated repository signals based on public metadata such as recency, license, installation evidence, and adoption. These are not a security audit or endorsement. See how SkillIndex evaluates profiles.

Key capabilities

  • Includes SKILL.md support
  • Reusable instructions support
  • Developers using testfx

Declared skill metadata

  • Declared license: MIT
  • Source file: .agents/skills/extension-points/SKILL.md

These fields retain source and confidence evidence from the indexed SKILL.md.

Compatibility and setup

Copy skill directory
  • Install or run with Copy skill directory

When to use extension-points Skill

  • Use it for developers using testfx.

Built with

C#Copy skill directory

Editorial notes

Source

  • Creator: microsoft
  • Repository: microsoft/testfx
  • Skill file: .agents/skills/extension-points/SKILL.md

What it does

Guide for MSBuild extensibility: CustomBefore/CustomAfter hooks, wildcard imports with alphabetic ordering, import gating with control properties, NuGet package build extension layout (build/buildTransitive), and the MicrosoftCommonPropsHasBeenImported guard. USE FOR: diagnosing and fixing MSBuild import and hook patte

Skill instructions

MSBuild Extension Points How the MSBuild pipeline provides hooks for SDKs, NuGet packages, repos, and users to inject custom logic. CustomBefore / CustomAfter Hooks Every major .targets file defines import hooks: xml <PropertyGroup <CustomBeforeMicrosoftCommonTargets Condition="'$(CustomBeforeMicrosoftCommonTargets)' == ''" $(MSBuildExtensionsPath)\v$(MSBuildToolsVersion)\Custom.Before.Microsoft.Common.targets </CustomBeforeMicrosoftCommonTargets </PropertyGroup <Import Project="$(CustomBeforeMicrosoftCommonTargets)" Condition="'$(CustomBeforeMicrosoftCommonTargets)' != '' and Exists('$(CustomBeforeMicrosoftCommonTargets)')"/ <!-- ... core targets ... -- <Import Project="$(CustomAfterMicrosoftCommonTargets)" Condition="'$(CustomAfterMicrosoftCommonTargets)' != '' and Exists('$(CustomAfterMicrosoftCommonTargets)')"/ Rules - Default path includes version (v$(MSBuildToolsVersion)) for side-by-side installations. - Always check Exists(). The file may not be present on every machine. - Appe

Verified compatibility and discovery

Frequently asked questions

What is extension-points?

extension-points is a open-source AI agent skill with Copy skill directory. Guide for MSBuild extensibility: CustomBefore/CustomAfter hooks, wildcard imports with alphabetic ordering, import gating with control properties, NuGet package build extension layout.

Who is extension-points best for?

extension-points is best for reusing agent instructions, scripts, and references.

How do I install extension-points?

Install or run extension-points using Copy skill directory. Check extension-points for the latest setup command.

Is extension-points actively maintained?

extension-points may need a closer maintenance check before production use.

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Stars
1,031
Forks
305
Last commit
2 months ago
Last verified
Aug 28, 2026
Metadata fetched
Aug 28, 2026
Repository age
10 years
License
MIT

Project health auto-fetched from the source repository.

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Review this source-backed profile, send a correction with evidence, or link to it from your documentation. Claims verify your relationship to the project; profile facts still require source evidence and editorial review.

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