dotnet/skills · plugins/dotnet-test-migration/skills/migrate-mstest-v3-to-v4/SKILL.md

migrate-mstest-v3-to-v4 skillA

migrate-mstest-v3-to-v4 is agent-read markdown (skill) from dotnet/skills: Use this skill before answering, planning, or editing any MSTest 3.x-to-4.x upgrade or post-upgrade failure. Triggers include "MSTest v4 breaking changes"; CS0507/CS0103/CS1061/CS1615; ExecuteAsync, CallerInfo, DisplayName, or custom TestMethodAttribute; ClassCleanupBehavior; ContainsKey; ThrowsExactly or ExpectedException; IsInstanceOfType out parameters; TestTimeout.Infinite; ManagedType; net6/net7 compatibility; TestCase.Id history; TestName in ClassInitialize; TreatDiscoveryWarningsAsErrors;.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add dotnet/skills/migrate-mstest-v3-to-v4@git:20260902.3b670a8
Exact content
mdr add dotnet/skills/migrate-mstest-v3-to-v4@sha256:bc76f25ee3b91a65

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ztsglvayxbs33xnl.svg)](https://markdownregistry.com/a/art_ztsglvayxbs33xnl)

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Versions

versioncommittedcommitsizeaudit
git:20260902.3b670a8 latest2026-09-02 3b670a8 28,868 BA view · diff
git:20260831.f7757562026-08-31 f775756 27,977 BA view · diff
git:20260828.2b9056b2026-08-28 2b9056b 25,248 BA view · diff
git:20260731.030493d2026-07-31 030493d 23,954 BA view · diff
git:20260623.35ace772026-06-23 35ace77 23,834 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (28868 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

dotnet/skills · 5,437 stars · license MIT · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ztsglvayxbs33xnl
GET https://markdownregistry.com/api/v1/resolve?ref=dotnet/skills/migrate-mstest-v3-to-v4
GET https://markdownregistry.com/api/v1/blob/bc76f25ee3b91a65ea0a63d4b3c183b1e3857156ac0cbb4246d225705c0c4305

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.