The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
To add C# MCP SDK to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation.
Install
npx -y c-mcp-sdkInstall with your client
claude mcp add c-mcp-sdk -- npx -y c-mcp-sdk
Run this in a terminal to add the server to Claude Code.
What this does
C# MCP SDK exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Frequently asked questions
How do I install C# MCP SDK?
Run the Claude Code command in the install section to add C# MCP SDK to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with C# MCP SDK?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to C# MCP SDK as well.
Does C# MCP SDK need an API key?
This listing does not ask for an API key or any environment variables.
What license is C# MCP SDK under?
C# MCP SDK is listed under the NOASSERTION license.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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