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MCP server · Files

VS MCPServer

· github.com/CodingWithCalvin/VS-MCPServer

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!

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Scored 6 months ago · breakdown

About VS MCPServer

VS MCPServer is an MCP server in the Files category: 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!.

Install

From source
git clone https://github.com/CodingWithCalvin/VS-MCPServer

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (7)

project_infoGet detailed project information

Parameters not published.

project_listList all projects in the solution

Parameters not published.

solution_closeClose the current solution

Parameters not published.

solution_infoGet information about the current solution

Parameters not published.

solution_openOpen a solution file

Parameters not published.

startup_project_getGet the current startup project

Parameters not published.

startup_project_setSet the startup project for debugging

Parameters not published.

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Security checks

  • ✓README presentThe repository ships documentation.

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README

🤔 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
project_info Get detailed project information
project_list List all projects in the solution
solution_close Close the current solution
solution_info Get information about the current solution
solution_open Open a solution file
startup_project_get Get the current startup project
startup_project_set Set the startup project for debugging

📝 Document Tools

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

✏️ Editor Tools

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

🔨 Build Tools

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

🧭 Navigation Tools

Tool Description
find_references Find all references to a symbol
goto_definition Navigate to the definition of a symbol
symbol_document Get all symbols defined in a document
symbol_workspace Search for symbols across the solution

🐛 Debugger Tools

Tool Description
debugger_add_breakpoint Add a breakpoint at a file and line
debugger_break Pause execution (Ctrl+Alt+Break)
debugger_continue Continue execution (F5)
debugger_evaluate Evaluate an expression in the current debug context
debugger_get_callstack Get the call stack
debugger_get_locals Get local variables in current frame
debugger_launch Start debugging (F5), optionally for a specific project
debugger_launch_without_debugging Start without debugger (Ctrl+F5), optionally for a specific project
debugger_list_breakpoints List all breakpoints
debugger_remove_breakpoint Remove a breakpoint
debugger_set_variable Set the value of a local variable
debugger_status Get current debugger state
debugger_step_into Step into (F11)
debugger_step_out Step out (Shift+F11)
debugger_step_over Step over (F10)
debugger_stop Stop debugging (Shift+F5)

🔍 Diagnostics Tools

Tool Description
errors_list Read build errors, warnings, and messages from the Error List
output_list_panes List all available Output window panes
output_read Read content from an Output window pane
output_write Write a message to an Output window pane

🪟 Window Tools

Tool Description
toolwindow_hide Hide (close) a tool window by caption
toolwindow_show Show a tool window by name (SolutionExplorer, ErrorList, Output, Terminal, etc.)
window_activate Activate (focus) a window by caption
window_list List all open windows with caption, kind, visibility, and GUID

🛠️ Installation

Visual Studio Marketplace

  1. Open Visual Studio 2022 or 2026
  2. Go to Extensions > Manage Extensions
  3. Search for "MCP Server"
  4. 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

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

🤖 Configuring Claude Desktop & Claude Code

Add this to your Claude Desktop or Claude Code MCP settings (preferred HTTP method):

{
  "mcpServers": {
    "visualstudio": {
      "type": "http",
      "url": "http://localhost:5050"
    }
  }
}

Legacy SSE method (deprecated, but still supported):

{
  "mcpServers": {
    "visualstudio": {
      "type": "sse",
      "url": "http://localhost:5050/sse"
    }
  }
}

ℹ️ Note: The HTTP method is the preferred standard. SSE (Server-Sent Events) is a legacy protocol and should only be used for backward compatibility.

⚙️ 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

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

📄 License

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

👥 Contributors

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About VS MCPServer

How do I install VS MCPServer?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is VS MCPServer safe to use with an AI agent?

Its trust score is 39 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is VS MCPServer still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.