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Microsoft .NET Skills

Skill Development Solid
Works inClaude Code
Solid Reviewed

Official Microsoft .NET team agent skills for AI coding assistants. Covers C# and .NET development following the AgentSkills spec.

The .NET team's curated agent skills and custom agents, shipped as 15 plugins covering C# language-server integration, ASP.NET Core, Blazor, MAUI, Entity Framework and data access, MSBuild, NuGet, testing, diagnostics, and .NET version upgrades. Follows the agentskills.io Agent Skills standard. Installs as a plugin marketplace in Claude Code and Copilot CLI; also works with VS Code (preview), Cursor, and Codex.

4,586 starsMIT (commercial OK)FreeQuick setup

Official Microsoft .NET team agent skills for AI coding assistants. Covers C# and .NET development following the AgentSkills spec. Works with Claude Code, Copilot, and VS Code. ~752 stars.

C# and .NET developers who want Claude to follow Microsoft's recommended patterns for .NET projects.

Claude Code Claude Cowork Claude Chat

https://github.com/dotnet/skills

By dotnet

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → PluginsAdd plugin. Search and click Install. Skills work in Claude Code only.
Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.
Instructions to paste into Claude
/plugin marketplace add dotnet/skills
/plugin install <plugin>@dotnet-agent-skills   # e.g. /plugin install dotnet@dotnet-agent-skills
First thing to try

After installing, paste this into Claude:

Help me write C-sharp and .NET code following official Microsoft patterns
CostFree

Trust Signals Reviewed

Stars4,586Contributors56Last updated2026-07-13LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-20 · scanner vattempted-no-data

Community Pulse Active

Discussed on Hacker News, Reddit

3 mentions across 2 sources

Reviewer notes

Reviewed review. These are observations, not a security certification.

Official Microsoft origin. High value for .NET/C# clients. Authoritative for the Microsoft stack.

Things to check

  • Coverage is limited to .NET/C# ecosystem; assumes familiarity with AgentSkills spec and may require integration setup depending on your IDE. Skill quality depends on Claude model version and upstream Microsoft skill maintenance.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation

Ease of Use
4/5
Versatility
2/5
Reliability
4/5
Security
4/5
Overall score3.50 / 5.00 SolidEvaluatedApr 2026
Official Microsoft origin. High value for .NET/C# clients. Authoritative for the Microsoft stack.

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