942 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.
MCP server Claude CodeCodexCursor +2
Security-first, self-hosted email archive with search, cited answers, and sending for AI agents. Remote server at {mailfathom_host}.
Metalnib/dotnet-episteme-skills
Plugin Claude Code
Bundles 14 skills, 3 commands, 2 hooks, 1 MCP server · 1,235 tokens together
Practical, production-tested .NET skills that provide enterprise-proven instructions for AI-assisted development.
logiclabs/dotnet-nuget-proxy-skill
Plugin Claude Code
Plugin marketplace listing 1 plugin: dotnet-nuget-proxy.
Skill Claude CodeCodex
Use this file as the compact agent-oriented guide for using and reviewing AspectGenerator in consuming projects.
MarcelRoozekrans/memorylens-mcp
Plugin Claude Code
Bundles 1 skill, 1 MCP server · 27 tokens together
On-demand .NET memory profiling with concrete code fix suggestions — no profiler to install.
Command Claude Code
A C# template for a SwiftlyS2 client-command hook, which intercepts commands sent by game clients before normal processing.
Postpartum-genushyacinthus29/dotnet-skills
Skill Claude CodeCodex
Build or review gRPC services and clients in .NET with correct contract-first design, streaming behavior, transport assumptions, and backend service integration.
MCP server Claude CodeCodexCursor +2
MCP server "roslyn-mcp" as configured in fnrhombus/winforms-mcp. Launched with dotnet-roslyn-mcp.
Andes-Software-Solutions/Andes.Extensions.AI
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
Gives the agent up-to-date documentation and code examples for libraries and frameworks, fetched on demand so answers are not stuck at the model's training cutoff. Runs locally from the @upstash/context7-mcp npm package.
YuliiaKovalova/dotnet-template-mcp
MCP server Claude CodeCodexCursor +2
MCP server "dotnet-template-mcp" as configured in YuliiaKovalova/dotnet-template-mcp. Launched with DotnetTemplateMCP -y.
Plugin Claude Code
Bundles 1 command · 9 tokens together
Claude Code plugin for C# development with OmniSharp LSP integration, 12 automated hooks for .NET builds, linting, formatting, and testing (xUnit, NUnit).
MCP server Claude CodeCodexCursor +2
MCP server "sumo-mcp" as configured in HypaSMarty/SUMO-MCP-Server. Runs locally from the sumo-mcp Python package.
Plugin Claude Code
Bundles 1 skill · 167 tokens together
Query a specific DevExpress XAF application: its entities, controllers, actions, business rules and Model Editor customizations, extracted from source with Roslyn.
joseguiaCES/autocad-dotnet-claude-skill
Plugin Claude Code
Bundles 1 skill · 115 tokens together
Comprehensive AutoCAD .NET API reference, patterns, and gotchas for plugin development. Covers AutoCAD 2025 and 2026 (both net8.0) with full API index auto-generated from official SDK documentation.
peterblazejewicz/claude-plugins
Plugin Claude Code
Bundles 24 skills, 9 commands, 4 agents · 2,563 tokens together
Agent skills for .NET 8+ (Avalonia, ASP.NET Core, Blazor, MAUI, EF Core, xUnit/MSTest). Adapted from addyosmani/agent-skills (MIT).
MCP server Claude CodeCodexCursor +2
MCP server that gives AI coding agents accurate NXOpen .NET API knowledge via hybrid retrieval. Runs locally from the nxopen-mcp Python package.
Skill Claude Code
Defines the C# coding standards, patterns, and conventions to be applied consistently across all C# projects. Rules cover naming, structure, async patterns, null handling, dependency injection, logging, result patterns, and formatting. Apply these rules uniformly in all production code.
MCP server Claude CodeCodexCursor +2
MCP server for debugging C#/.NET code using netcoredbg. Runs locally from the netcoredbg-mcp Python package.
MCP server Claude CodeCodexCursor +2
Generate a ServiceBricks C# .NET microservice as a ZIP file. Remote server at servicebricks.com.
Skill Claude CodeCodex
Expert guide for developing applications with the ABP Framework (abp.io) using ASP.NET Core, DDD patterns, and Razor Pages / MVC UI. Use this skill whenever the user mentions ABP, abp.io, Volo.Abp, AbpModule, application services, aggregate roots, domain services, ABP CLI, IRepository, PermissionDefinitionProvider…
aleksei-perchukov/coding-exercise-generator-ide-plugin
Plugin Claude Code
Bundles 1 skill, 6 commands · 108 tokens together
C# coach: exercise generator & checker with hints function (RU).
ANcpLua/ancplua-claude-plugins
Plugin Claude Code
Bundles 10 skills, 1 agent · 1,561 tokens together
Skills for .NET engineering infrastructure: CI/CD analysis, build pipeline workflows.
nachum-shmilovitz-66/claude-code-visualstudio
MCP server Claude CodeCodexCursor +2
GitHub's hosted MCP server: lets the agent search code, read and create issues and pull requests. Remote server at api.githubcopilot.com.
Command Claude Code
You are an experienced .NET software engineer conducting a thorough code review. Focus exclusively on the changes being introduced (the diff), not on pre-existing code unless it's directly affected by the changes.
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: