No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by modelcontextprotocol · MCP Server · ★ 4.5k
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
🔒 Is csharp-sdk safe to install? View the security audit →
MCP C# SDK The official C# SDK for the Model Context Protocol, enabling .NET applications, services, and libraries to implement and interact with MCP clients and servers. Please visit the API documentation for more details on available functionality. Packages This SDK consists of three main packages: ModelContextProtocol.Core - For projects that only need to use the client or low-level server APIs and want the minimum number of dependencies. ModelContextProtocol - The main package with hosting and dependency injection extensions. References . This is the right fit for most projects that don't need HTTP server capabilities. ModelContextProtocol.AspNetCore [](htt
| Stars | 4,535 |
| Forks | 813 |
| Language | C# |
| Category | MCP Server |
| Quality Score | 62.1836003760743/100 |
| Open Issues | 186 |
| Last Updated | 2026-09-19 |
| Created | 2025-03-10 |
| Platforms | cli, dotnet, mcp |
| Est. Tokens | ~18k |
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csharp-sdk is The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.. It is categorized as a MCP Server with 4.5k GitHub stars.
csharp-sdk is primarily written in C#. It covers topics such as csharp, dotnet, mcp.
You can find installation instructions and usage details in the csharp-sdk GitHub repository at github.com/modelcontextprotocol/csharp-sdk. The project has 4.5k stars and 813 forks, indicating an active community.
The top alternatives to csharp-sdk on Agent Skills Hub include mcp-for-beginners, mcp-use, mcp. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: