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MCP C# SDK

by Model Context Protocol

Build MCP servers and clients in C# with the official SDK — co-maintained with Microsoft, with dependency injection, hosting, and ASP.NET Core transport support.

3
Skills
None
Auth
Yes
Streaming
Yes
Push

Skills

Server Hosting

Registers MCP servers through the .NET generic host so tools resolve from dependency injection like any other service.

Attribute Tools

Declares tools with attributes on plain C# methods, generating MCP schemas from parameter types automatically.

Transport Support

Serves MCP over stdio or streamable HTTP, with ASP.NET Core integration for remote server deployments.

Infrastructure & Opscsharpdotnetmcp-sdkaspnet-coredependency-injectionofficial-sdkserver-and-client
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mcp-csharp-sdk
Build MCP servers and clients in C# with the official SDK — co-maintained with Microsoft, with dependency injection, hosting, and ASP.NET Core transport support.
fields
nameMCP C# SDK
providerModel Context Protocol
urlhttps://github.com/modelcontextprotocol/csharp-sdk
categoriesinfrastructure
accessapi
authnone
streamingtrue
pushtrue
verifiedtrue
officialfalse
tagscsharp, dotnet, mcp-sdk, aspnet-core, dependency-injection, official-sdk, server-and-client
skills
server-hostingServer HostingRegisters MCP servers through the .NET generic host so …
attribute-toolsAttribute ToolsDeclares tools with attributes on plain C# methods, gen…
transport-supportTransport SupportServes MCP over stdio or streamable HTTP, with ASP.NET …
→ https://github.com/modelcontextprotocol/csharp-sdk