csharp-sdk

Name: csharp-sdk Review
Item: csharp-sdk
Rating: 3.2
Author: Aaron Matthews

Skill Communication Usable

Works inClaude Code

Usable Scanned — metadata only

Enables .NET teams to build MCP-compliant integrations without proprietary workarounds, reducing development time and technical debt when connecting enterpri…

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

Build C# applications that connect to Claude through Model Context Protocol servers
Integrate Claude's capabilities into existing .NET enterprise systems and workflows
Create custom AI-powered tools and agents using C# and the official SDK

4,445 starsFreeQuick setup

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Enables .NET teams to build MCP-compliant integrations without proprietary workarounds, reducing development time and technical debt when connecting enterprise systems to AI models.

Best for

C# and .NET teams integrating Claude or other AI models into existing business applications and backend services.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/modelcontextprotocol/csharp-sdk

By modelcontextprotocol

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add 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.

Command

claude plugins install modelcontextprotocol/csharp-sdk

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

After installing, paste this into Claude:

Help me build C# applications that connect to Claude through Model Context Protocol servers

CostFree

Trust Signals Auto-scanned

Stars4,445Last updated2026-08-03Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-08-03 · scanner v1

Community Pulse New

MCP C# SDK Gets Major Update: Support for Protocol Version 2025-06-18 — Hacker News · 1 pts

1 mentions across 1 sources

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 4,445 GitHub stars; contributors unknown; last commit 0d ago; license no license.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

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 Scores

Evaluation

Ease of Use

2/5

Versatility

5/5

Reliability

3/5

Security

3/5

Overall score3.15 / 5.00 UsableEvaluatedAug 2026

Scored from trust signals (evidence-eval-v1): 4,445 GitHub stars; contributors unknown; last commit 0d ago; license no license.

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