.NET Agent Skills

This repository contains the .NET team's curated set of core skills and custom agents for coding agents. For information about the Agent Skills standard, see agentskills.io.

📊 Dashboard - Accuracy and efficiency scoring trends for contained plugins (https://dotnet.github.io/skills/)

What's Included

Plugin	Description
dotnet	Collection of core .NET skills for handling common .NET coding tasks.
dotnet-data	Skills for .NET data access and Entity Framework related tasks.
dotnet-diag	Skills for .NET performance investigations, debugging, and incident analysis.
dotnet-msbuild	Comprehensive MSBuild and .NET build skills: failure diagnosis, performance optimization, code quality, and modernization.
dotnet-nuget	NuGet and .NET package management: dependency management and modernization.
dotnet-upgrade	Skills for migrating and upgrading .NET projects across framework versions, language features, and compatibility targets.
dotnet-maui	Skills for .NET MAUI development: environment setup, diagnostics, and troubleshooting.
dotnet-ai	AI and ML skills for .NET: technology selection, LLM integration, agentic workflows, RAG pipelines, MCP, and classic ML with ML.NET.
dotnet-template-engine	.NET Template Engine skills: template discovery, project scaffolding, and template authoring.
dotnet-test	Skills for running, diagnosing, and migrating .NET tests: test execution, filtering, platform detection, and MSTest workflows.
dotnet-aspnetcore	ASP.NET Core web development skills including middleware, endpoints, real-time communication, and API patterns.
dotnet-blazor	Skills for Blazor development: component authoring, interactivity, and web application patterns.
dotnet11	Skills for new .NET 11 APIs and language features.

Installation

🚀 Plugins - Copilot CLI / Claude Code

Launch Copilot CLI or Claude Code
Add the marketplace:
```
/plugin marketplace add dotnet/skills
```

Install a plugin:

/plugin install <plugin>@dotnet-agent-skills

Restart to load the new plugins
View available skills:
```
/skills
```
View available agents:
```
/agents
```

Update plugin (on demand):

/plugin update <plugin>@dotnet-agent-skills

VS Code / VS Code Insiders (Preview)

[!IMPORTANT]
VS Code plugin support is a preview feature and subject to change. You may need to enable it first.

// settings.json
{
  "chat.plugins.enabled": true,
  "chat.plugins.marketplaces": ["dotnet/skills"]
}

Once configured, type /plugins in Copilot Chat or use the @agentPlugins filter in Extensions to browse and install plugins from the marketplace.

Cursor

This repository is a Cursor plugin marketplace. You can discover and install published plugins directly in Cursor:

Open the marketplace panel in Cursor
Search for .NET or browse cursor.com/marketplace
Install the desired plugins

For local development or unpublished changes, import plugins from a local checkout:

Copy or symlink your local checkout to ~/.cursor/plugins/local/dotnet-agent-skills
Restart Cursor or run Developer: Reload Window

Codex CLI

Skills in this repository follow the agentskills.io open standard and are compatible with OpenAI Codex.

Plugin marketplace (recommended)

Codex CLI v0.121.0 and later supports a plugin marketplace. This repository ships a Codex-native marketplace manifest at .agents/plugins/marketplace.json, so you can register dotnet/skills as a marketplace and install plugins from it directly.

Add the marketplace:

codex plugin marketplace add dotnet/skills

Launch Codex and open the plugin browser:
```
/plugins
```
Browse the dotnet-agent-skills tab and install the desired plugins.

Update plugins on demand:

codex plugin marketplace upgrade dotnet-agent-skills

Individual skills

You can also install individual skills using the skill-installer CLI with the GitHub URL:

$ skill-installer install https://github.com/dotnet/skills/tree/main/plugins/<plugin>/skills/<skill-name>

Contributing

See CONTRIBUTING.md for contribution guidelines and how to add a new plugin.

License

See LICENSE for details.