894 mods tagged C# and .NET that install into Codex, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Skill Claude CodeCodex
Architecture rules, naming conventions, and CQRS handler patterns for this .NET solution. Load this whenever generating, reviewing, or refactoring C# code in this repository so output matches the existing codebase instead of generic patterns.
TripleZeroLabs/TripleZeroLabs.Os2
Skill Claude CodeCodex
Apply the OS2 WPF theme (TripleZeroLabs.Os2) correctly in any XAML or C# file. Activate when building or editing a WPF window, page, view, or UserControl; styling any WPF control (Button, TextBox, DataGrid, ComboBox, CheckBox, nav sidebar, tabs, dialog, banner); building a settings screen, form, dashboard, or toolbar…
Hyeonu-Cha/dotnet-coverage-mcp
Skill Claude CodeCodex
Iteratively write .NET unit tests to improve code coverage toward 80% line and branch targets. USE FOR: autonomously running tests, finding gaps, writing targeted tests, and repeating until 80% coverage or plateau. Calls all 7 dotnet-coverage-mcp MCP tools: GetSourceFiles, RunTestsWithCoverage, GetCoverageSummary…
Skill Codex
A text-based tutor for learning C# and .NET, the Microsoft platform used to build applications and services. It guides learners from first programs toward junior backend development.
MCP server Claude CodeCodexCursor +2
MCP server "resharper-cli-mcp" as configured in andypgray/resharper-cli-mcp. Launched with Zphil.ReSharperCli. Needs 9 environment variables to run.
DenisRaimondi/lombardia-trains-mcp
MCP server Claude CodeCodexCursor +2
MCP server "lombardia-trains" as configured in DenisRaimondi/lombardia-trains-mcp. Launched with LombardiaTrains.Mcp.
MCP server Claude CodeCodexCursor +2
MCP server "loadbearing" as configured in andypgray/loadbearing. Launched with Zphil.LoadBearing.Cli. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Progressive on-demand access to .NET NuGet package source for AI coding agents. Runs locally from the mcp-digger npm package.
MCP server Claude CodeCodexCursor +2
NuGet MCP — .NET package registry. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-dotnet" as configured in beekamai/mcp-dotnet. Runs locally from the mcp-dotnet npm package.
MCP server Claude CodeCodexCursor +2
Model Context Protocol server for FxKit C# functional programming library documentation. Runs locally from the @taxfyle/fxkit-mcp npm package.
Skill Claude CodeCodex
DKNet EF Core Specifications - Build reusable, composable, and type-safe queries with dynamic predicates and the Specification Pattern.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: