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filter-syntax Skill

AI Agent SkillC#Open source

Reference data for test filter syntax across all platform and framework combinations: VSTest --filter expressions, MTP filters for MSTest/NUnit/xUnit v3/TUnit, and VSTest-to-MTP filter translation. DO NOT USE directly — loaded by run-tests, mtp-hot-reload, and migrate-vstest-to-mtp when they need filter syntax. Published by microsoft in testfx.

Decision snapshot

Is this a fit?

Best for

Testing, Data analysis, 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 filter-syntax Skill?

Reference data for test filter syntax across all platform and framework combinations: VSTest --filter expressions, MTP filters for MSTest/NUnit/xUnit v3/TUnit, and VSTest-to-MTP filter translation. DO NOT USE directly — loaded by run-tests, mtp-hot-reload, and migrate-vstest-to-mtp when they need filter syntax. 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
  • Testing
  • Data analysis
  • Testing use cases
  • Data analysis use cases

Declared skill metadata

  • Declared license: MIT
  • Source file: .agents/skills/filter-syntax/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 filter-syntax Skill

  • Use it for testing.
  • Use it for data analysis.

Built with

C#Copy skill directory

Editorial notes

Source

  • Creator: microsoft
  • Repository: microsoft/testfx
  • Skill file: .agents/skills/filter-syntax/SKILL.md

What it does

Reference data for test filter syntax across all platform and framework combinations: VSTest --filter expressions, MTP filters for MSTest/NUnit/xUnit v3/TUnit, and VSTest-to-MTP filter translation. DO NOT USE directly — loaded by run-tests, mtp-hot-reload, and migrate-vstest-to-mtp when they need filter syntax.

Skill instructions

Test Filter Syntax Reference Filter syntax depends on the platform and test framework. VSTest filters (MSTest, xUnit v2, NUnit on VSTest) bash dotnet test --filter <EXPRESSION Expression syntax: <Property<Operator<Value[|&<Expression] Operators: | Operator | Meaning | |----------|---------| | = | Exact match | | != | Not exact match | | ~ | Contains | | !~ | Does not contain | Combinators: | (OR), & (AND). Parentheses for grouping: (A|B)&C Supported properties by framework: | Framework | Properties | |-----------|-----------| | MSTest | FullyQualifiedName, Name, ClassName, Priority, TestCategory | | xUnit | FullyQualifiedName, DisplayName, Traits | | NUnit | FullyQualifiedName, Name, Priority, TestCategory | An expression without an operator is treated as FullyQualifiedName~<value. Examples (VSTest): bash Run tests whose name contains "LoginTest" dotnet test --filter "Name~LoginTest" Run a specific test class dotnet test --filter "ClassName=MyNamespace.MyTestClass" Run tests in a categ

Verified compatibility and discovery

Frequently asked questions

What is filter-syntax?

filter-syntax is a open-source AI agent skill with Copy skill directory. Reference data for test filter syntax across all platform and framework combinations: VSTest --filter expressions, MTP filters for MSTest/NUnit/xUnit v3/TUnit, and VSTest-to-MTP filter translation.

Who is filter-syntax best for?

filter-syntax is best for reusing agent instructions, scripts, and references, testing workflows, data analysis workflows.

How do I install filter-syntax?

Install or run filter-syntax using Copy skill directory. Check filter-syntax for the latest setup command.

Is filter-syntax actively maintained?

filter-syntax 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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