Roslyn CodeLens

local MCP server

Installation

Terminal

claude mcp add roslyn-codelens -- npx -y roslyn-codelens-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "roslyn-codelens": {
      "command": "npx",
      "args": [
        "-y",
        "roslyn-codelens-mcp"
      ]
    }
  }
}

Roslyn MCP server: semantic .NET/C intelligence - analysis, refactoring, tests, IL inspection.

Roslyn CodeLens is a local MCP server distributed as the npm package roslyn-codelens-mcp.

Run: claude mcp add roslyn-codelens -- npx -y roslyn-codelens-mcp

Run: codex mcp add roslyn-codelens -- npx -y roslyn-codelens-mcp

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