--- _layout: landing --- # Overview The official C# SDK for the [Model Context Protocol](https://modelcontextprotocol.io/), enabling .NET applications, services, and libraries to implement and interact with MCP clients and servers. Please visit our [API documentation](https://modelcontextprotocol.github.io/csharp-sdk/api/ModelContextProtocol.html) for more details on available functionality. ## About MCP The Model Context Protocol (MCP) is an open protocol that standardizes how applications provide context to Large Language Models (LLMs). It enables secure integration between LLMs and various data sources and tools. For more information about MCP: - [Official Documentation](https://modelcontextprotocol.io/) - [Protocol Specification](https://modelcontextprotocol.io/specification/) - [GitHub Organization](https://github.com/modelcontextprotocol) For how-to guides, tutorials, and additional guidance, refer to the [official MCP documentation](https://modelcontextprotocol.io/). ## Official SDK packages The official C# SDK packages for stable and pre-release versions are published to the [NuGet Gallery](https://www.nuget.org) under the [ModelContextProtocolOfficial](https://www.nuget.org/profiles/ModelContextProtocolOfficial) profile. Continuous integration builds are published to the modelcontextprotocol organization's [GitHub NuGet package registry](https://github.com/orgs/modelcontextprotocol/packages?ecosystem=nuget). ## License This project is licensed under the [MIT License](https://github.com/modelcontextprotocol/csharp-sdk/blob/main/LICENSE).