PluginBench
MCP Server

SharpLens MCP Server

io.github.pzalutski-pixel/sharplens

RepositoryRegistry

What is the SharpLens MCP server?

67 semantic C#/.NET analysis tools via Roslyn: navigation, refactoring, codegen, audit.

How to install SharpLens

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • DOTNET_SOLUTION_PATH

    Path to .sln or .slnx file to auto-load on startup

  • ROSLYN_LOG_LEVEL

    Logging verbosity: Trace, Debug, Information, Warning, Error

  • ROSLYN_TIMEOUT_SECONDS

    Timeout for long-running operations

Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "sharplens": {
      "command": "npx",
      "args": [
        "-y",
        "sharplens-mcp"
      ],
      "env": {
        "DOTNET_SOLUTION_PATH": "<YOUR_DOTNET_SOLUTION_PATH>",
        "ROSLYN_LOG_LEVEL": "<YOUR_ROSLYN_LOG_LEVEL>",
        "ROSLYN_TIMEOUT_SECONDS": "<YOUR_ROSLYN_TIMEOUT_SECONDS>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "sharplens": {
      "command": "npx",
      "args": [
        "-y",
        "sharplens-mcp"
      ],
      "env": {
        "DOTNET_SOLUTION_PATH": "<YOUR_DOTNET_SOLUTION_PATH>",
        "ROSLYN_LOG_LEVEL": "<YOUR_ROSLYN_LOG_LEVEL>",
        "ROSLYN_TIMEOUT_SECONDS": "<YOUR_ROSLYN_TIMEOUT_SECONDS>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "sharplens": {
      "command": "npx",
      "args": [
        "-y",
        "sharplens-mcp"
      ],
      "env": {
        "DOTNET_SOLUTION_PATH": "<YOUR_DOTNET_SOLUTION_PATH>",
        "ROSLYN_LOG_LEVEL": "<YOUR_ROSLYN_LOG_LEVEL>",
        "ROSLYN_TIMEOUT_SECONDS": "<YOUR_ROSLYN_TIMEOUT_SECONDS>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "sharplens": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "sharplens-mcp"
      ],
      "env": {
        "DOTNET_SOLUTION_PATH": "<YOUR_DOTNET_SOLUTION_PATH>",
        "ROSLYN_LOG_LEVEL": "<YOUR_ROSLYN_LOG_LEVEL>",
        "ROSLYN_TIMEOUT_SECONDS": "<YOUR_ROSLYN_TIMEOUT_SECONDS>"
      }
    }
  }
}
Claude Code
claude mcp add sharplens --env DOTNET_SOLUTION_PATH=<YOUR_DOTNET_SOLUTION_PATH> --env ROSLYN_LOG_LEVEL=<YOUR_ROSLYN_LOG_LEVEL> --env ROSLYN_TIMEOUT_SECONDS=<YOUR_ROSLYN_TIMEOUT_SECONDS> -- npx -y sharplens-mcp

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