Add LM-Kit.NET client details to documentation (modelcontextprotocol#1691)

* Add LM-Kit.NET client details to documentation

Added LM-Kit.NET section with features and links.

* remove clients.mdx

* add clients.mdx

* LR fix

* Prettier fix

* revert .gitignore change

Author: lcarrere

docs/clients.mdx

@@ -59,6 +59,7 @@ This page provides an overview of applications that support the Model Context Pr
 | [Klavis AI Slack/Discord/Web][Klavis AI]         | ✅          | ❌        | ✅      | ❓                     | ❌         | ❌    | ❓            |
 | [Langflow][Langflow]                             | ❌          | ❌        | ✅      | ❓                     | ❌         | ❌    | ❓            |
 | [LibreChat][LibreChat]                           | ❌          | ❌        | ✅      | ❓                     | ❌         | ❌    | ❓            |
+| [LM-Kit.NET][LM-Kit.NET]                         | ❌          | ❌        | ✅      | ❌                     | ❌         | ❌    | ❌            |
 | [LM Studio][LM Studio]                           | ❌          | ❌        | ✅      | ❓                     | ❌         | ❌    | ❓            |
 | [Lutra][Lutra]                                   | ✅          | ✅        | ✅      | ❓                     | ❌         | ❌    | ❓            |
 | [MCP Bundler for MacOS][mcp-bundler]                                   | ✅          | ✅        | ✅      | ❌                     | ❌         | ❌    | ❌            |
@@ -159,6 +160,7 @@ This page provides an overview of applications that support the Model Context Pr
 [Kilo Code]: https://github.com/Kilo-Org/kilocode
 [Langflow]: https://github.com/langflow-ai/langflow
 [LibreChat]: https://github.com/danny-avila/LibreChat
+[LM-Kit.NET]: https://lm-kit.com/products/lm-kit-net/
 [LM Studio]: https://lmstudio.ai
 [Lutra]: https://lutra.ai
 [mcp-bundler]: https://mcp-bundler.maketry.xyz
@@ -747,6 +749,22 @@ Langflow is an open-source visual builder that lets developers rapidly prototype
 - Open-source and self-hostable, with secure multi-user support
 - Future roadmap includes expanded MCP feature support
 
+### LM-Kit.NET
+
+[LM-Kit.NET] is a local-first Generative AI SDK for .NET (C# / VB.NET) that can act as an **MCP client**. Current MCP support: **Tools only**.
+
+**Key features:**
+
+- Consume MCP server tools over HTTP/JSON-RPC 2.0 (initialize, list tools, call tools).
+- Programmatic tool discovery and invocation via `McpClient`.
+- Easy integration in .NET agents and applications.
+
+**Learn more:**
+
+- [Docs: Using MCP in LM-Kit.NET](https://docs.lm-kit.com/lm-kit-net/api/LMKit.Mcp.Client.McpClient.html)
+- [Creating AI agents](https://lm-kit.com/solutions/ai-agents)
+- Product page: [LM-Kit.NET]
+
 ### LM Studio
 
 [LM Studio](https://lmstudio.ai) is a cross-platform desktop app for discovering, downloading, and running open-source LLMs locally. You can now connect local models to tools via Model Context Protocol (MCP).