migrate-mstest-v1v2-to-v3 SKILL.md skillA
migrate-mstest-v1v2-to-v3 from dotnet/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add dotnet/skills/migrate-mstest-v1v2-to-v3@git:20260902.3b670a8Pins git:20260902.3b670a8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- dotnet/skills
- Path
plugins/dotnet-test-migration/skills/migrate-mstest-v1v2-to-v3/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260902.3b670a8, committed Sep 2, 2026
- First version recorded
- Jul 20, 2026
- Size
- 21,801 bytes
- Repository stars
- 5,836
- License
- MIT
Use this skill before answering or editing whenever an MSTest v1/v2 project is being upgraded or repaired for v3. Triggers include QualityTools assembly references; MSTest.TestFramework/TestAdapter 1.x-2.x; "upgrade to MSTest v3"; comparing v1 and v2 migration paths; choosing MSTest or MSTest.Sdk; CS0411/CS1503 after a v3 package bump; DataRow type mismatch, MSTEST0014, or "Test data doesn't match method parameters"; .testsettings/LegacySettings to .runsettings; timeout changes; and net5.0 or…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# MSTest v1/v2 -> v3 Migration Migrate a test project from MSTest v1 (assembly references) or MSTest v2 (NuGet 1.x-2.x) to MSTest v3. MSTest v3 is **not binary compatible** with v1/v2 -- libraries compiled against v1/v2 must be recompiled. ## First Action Inspect the supplied workspace and classify v1, v2, partially migrated v3, or already-complete v3 before answering. Do not search the web or answer from memory first. For an edit request, continue through the requested source changes and validation; for an advice request, answer directly after the classification. ## When to Use - Project references `Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll` (MSTest v1) - Project uses `MSTest.TestFramework` / `MSTest.TestAdapter` NuGet 1.x or 2.x - Resolving build errors after updating MSTest packages from v1/v2 to v3 -- including when the packages already read 3.x and only the source or settings still need fixing - Replacing `.testsettings` with `.runsettings` - Adopting MSTest.Sdk or in-assembly parallel execution ## When Not to Use - Project already on MSTest v3 with no migration-related build errors and no leftover `.testsettings` / `<LegacySettings>` (fully migrated) …
Read the whole file at its exact version.
How to install
mdr add dotnet/skills/migrate-mstest-v1v2-to-v3@sha256:8e92f2523295d15eThe line at the top of this page pins the label git:20260902.3b670a8, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_izg6x7mtvuaw7gti)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Jul 20, 2026 and Sep 2, 2026, about one every 11 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260902.3b670a8 latest | 2026-09-02 | 3b670a8 | 21,801 B | A | view · diff |
| git:20260831.f775756 | 2026-08-31 | f775756 | 21,295 B | A | view · diff |
| git:20260731.030493d | 2026-07-31 | 030493d | 19,639 B | A | view · diff |
| git:20260723.5fff8f1 | 2026-07-23 | 5fff8f1 | 15,282 B | A | view · diff |
| git:20260720.4df4da4 | 2026-07-20 | 4df4da4 | 13,033 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (21801 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
dotnet/skills · 5,836 stars · license MIT · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_izg6x7mtvuaw7gti GET https://markdownregistry.com/api/v1/resolve?ref=dotnet/skills/migrate-mstest-v1v2-to-v3 GET https://markdownregistry.com/api/v1/blob/8e92f2523295d15eaa1874f5edd8a8e455bddab9c7b967fa4dc9833051a053be
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.