C# and .NET for Claude Code

1,209 mods tagged C# and .NET that install into Claude Code, 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.

Also for Claude Code: anthropic · Git and workflow · Python · Web3 and blockchain · React · TypeScript · Go · docker · Rust · Localization · PostgreSQL · nextjs

os2-wpf-theme

121

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…

not rated 2 1mo ago A 149 tokens original MIT

sqlsugar-guide

122

Jay-ssr/skillrunner-market

Skill Claude Code

A reference library for SqlSugar, a C#/.NET tool that maps program objects to database records and helps query or change databases. It routes questions to focused reference files about queries, writes, transactions, configuration, and database-specific behavior.

not rated 2 5mo ago A 62 tokens original MIT

improve-test-coverage

123

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…

not rated 2 +1 1mo ago A 139 tokens original MIT

roslyn-mcp

124

darylmcd/Roslyn-Backed-MCP

Plugin Claude Code

Bundles 44 skills, 4 agents, 2 hooks, 2 MCP servers · 3,898 tokens together

Semantic C# analysis and refactoring for AI agents, powered by Roslyn. Load .sln/.csproj files, inspect the live MCP catalog at runtime, and use 32 bundled agent skills for analysis, refactoring, testing, architecture review, and release workflows.

not rated 1 changed 3d ago A tokens not measured original MIT

resharper-cli-mcp

125

andypgray/resharper-cli-mcp

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.

not rated 1 yesterday A tokens not measured original MIT

lombardia-trains

126

DenisRaimondi/lombardia-trains-mcp

MCP server Claude CodeCodexCursor +2

MCP server "lombardia-trains" as configured in DenisRaimondi/lombardia-trains-mcp. Launched with LombardiaTrains.Mcp.

not rated 0 1mo ago A tokens not measured original MIT

loadbearing

127

andypgray/loadbearing

MCP server Claude CodeCodexCursor +2

MCP server "loadbearing" as configured in andypgray/loadbearing. Launched with Zphil.LoadBearing.Cli. Needs 1 environment variable to run.

not rated 0 27d ago A tokens not measured original MIT

mcp-digger

128

janeksm/mcp-digger

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.

not rated 0 4mo ago A tokens not measured original MIT

nuget

129

pipeworx-io/mcp-nuget

MCP server Claude CodeCodexCursor +2

NuGet MCP — .NET package registry. Remote server at gateway.pipeworx.io.

not rated 0 26d ago A tokens not measured original MIT

mcp-dotnet

130

beekamai/mcp-dotnet

MCP server Claude CodeCodexCursor +2

MCP server "mcp-dotnet" as configured in beekamai/mcp-dotnet. Runs locally from the mcp-dotnet npm package.

not rated 0 4mo ago A tokens not measured original MIT

fxkit-mcp

131

taxfyle/fxkit-mcp

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.

not rated 0 1y ago A tokens not measured original MIT

efcore-specifications

132

baoduy/drunk-mcp-proxy

Skill Claude CodeCodex

DKNet EF Core Specifications - Build reusable, composable, and type-safe queries with dynamic predicates and the Specification Pattern.

not rated 0 7mo ago A 28 tokens original MIT

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: