Data / Repositories / MCP server / C#
C# MCP server repositories on GitHub: 10 ranked by stars
10 public C# repositories tagged MCP server are on GitHub, with 11,121 stars between them; 6 had a push in the last 30 days. The most starred: modelcontextprotocol/csharp-sdk (4,583), IvanMurzak/Unity-MCP (4,448), sbroenne/mcp-server-excel (818).
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Every repository, most starred first
| Repository | What it is | Stars | Forks | License | Last push | Read |
|---|---|---|---|---|---|---|
| modelcontextprotocol/csharp-sdk | The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft. | 4,583 | 827 | Oct 12 | Oct 14 | |
| IvanMurzak/Unity-MCP | AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a… | 4,448 | 393 | Apache-2.0 | Oct 13 | Oct 14 |
| sbroenne/mcp-server-excel | Automate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 412 operations. | 818 | 98 | MIT | Oct 14 | Oct 14 |
| Gennadiyev/STS2MCP | Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod. | 514 | 103 | MIT | Jul 29 | Oct 14 |
| afrise/MCPSharp | MCPSharp is a .NET library that helps you build Model Context Protocol (MCP) servers and clients - the standardized API protocol used by AI assistants and models. | 377 | 42 | MIT | Oct 20, 2025 | Oct 14 |
| microsoft/mcp-dotnet-samples | A comprehensive set of samples of creating and using MCP servers and clients with .NET | 199 | 63 | MIT | Oct 13 | Oct 14 |
| Aaronontheweb/mssql-mcp | MSSQL Server MCP implementation written in C# | 158 | 23 | Apache-2.0 | Jan 22 | Oct 14 |
| OutSystems/outsystems11-mcp | Skills that let Claude Code, GitHub Copilot, Cursor, Kiro and other coding agents work with OutSystems 11 apps via the Service Studio MCP server. | 16 | 9 | MIT | Oct 13 | Oct 14 |
| hydr/dataverse-modelling-mcp | MCP server that lets AI agents (Claude Code, GitHub Copilot) model Dataverse and the Power Platform: tables, views, security roles, solutions, workflows, business process flows… | 8 | 0 | MIT | Oct 7 | Oct 14 |
| mustafaalkan64/GithubMCPDemo | Github MCP Server AI Integrations and AI Agent | 0 | 0 | Aug 11, 2025 | Oct 14 |
Other languages
- Python 286
- TypeScript 238
- JavaScript 67
- Go 50
- Rust 28
- Java 13
- C++ 8
- HTML 7
- Shell 4
- PHP 4
Related topics
- MCP 605
- Model Context Protocol 290
- AI 161
- Claude 157
- AI agents 155
- LLM 152
- Claude Code 100
- Python 83
- Cursor 82
- TypeScript 81
- MCP client 57
- Developer tools 51
Read from GitHub by SpecStream between October 14, 2026 and October 14, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.