🤖 VS MCP Server

Let AI assistants like Claude control Visual Studio through the Model Context Protocol!

🤔 What is this?

VS MCP Server exposes Visual Studio features through the Model Context Protocol (MCP), enabling AI assistants like Claude to interact with your IDE programmatically. Open files, read code, build projects, and more - all through natural conversation!

✨ Features

📂 Solution Tools

Tool	Description
`solution_info`	Get information about the current solution
`solution_open`	Open a solution file
`solution_close`	Close the current solution
`project_list`	List all projects in the solution
`project_info`	Get detailed project information

📝 Document Tools

Tool	Description
`document_list`	List all open documents
`document_active`	Get the active document
`document_open`	Open a file in the editor
`document_close`	Close a document
`document_read`	Read document contents
`document_write`	Write to a document

✏️ Editor Tools

Tool	Description
`selection_get`	Get the current text selection
`selection_set`	Set the selection range
`editor_insert`	Insert text at cursor position
`editor_replace`	Find and replace text
`editor_goto_line`	Navigate to a specific line
`editor_find`	Search within documents

🔨 Build Tools

Tool	Description
`build_solution`	Build the entire solution
`build_project`	Build a specific project
`clean_solution`	Clean the solution
`build_cancel`	Cancel a running build
`build_status`	Get current build status

🛠️ Installation

Visual Studio Marketplace

Open Visual Studio 2022 or 2026
Go to Extensions > Manage Extensions
Search for "MCP Server"
Click Download and restart Visual Studio

Manual Installation

Download the latest .vsix from the Releases page and double-click to install.

🚀 Usage

Starting the Server

Open Visual Studio
Go to Tools > MCP Server > Start Server (or enable auto-start in settings)
The MCP server starts on http://localhost:5050

Configuring Claude Desktop

Add this to your Claude Desktop MCP settings:

{
  "mcpServers": {
    "visual-studio": {
      "url": "http://localhost:5050/sse"
    }
  }
}

Settings

Configure the extension at Tools > Options > MCP Server:

Setting	Description	Default
Auto-start server	Start the MCP server when Visual Studio launches	Off
Binding Address	Address the server binds to	`localhost`
HTTP Port	Port for the MCP server	`5050`
Server Name	Name reported to MCP clients	`Visual Studio MCP`
Log Level	Minimum log level for output	`Information`
Log Retention	Days to keep log files	`7`

🏗️ Architecture

+------------------+              +----------------------+   named pipes   +------------------+
|  Claude Desktop  |   HTTP/SSE  |  MCPServer.Server    | <-------------> |  VS Extension    |
|  (MCP Client)    | <---------> |  (MCP Server)        |    JSON-RPC     |  (Tool Impl)     |
+------------------+    :5050    +----------------------+                 +------------------+

🤝 Contributing

Contributions are welcome! Whether it's bug reports, feature requests, or pull requests - all feedback helps make this extension better.

Development Setup

Clone the repository
Open src/CodingWithCalvin.MCPServer.slnx in Visual Studio 2022
Ensure you have the "Visual Studio extension development" workload installed
Ensure you have .NET 10.0 SDK installed
Press F5 to launch the experimental instance

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

👥 Contributors

Made with ❤️ by Coding With Calvin