roslyn mcp for Claude Code

io.github.darylmcd/roslyn-mcp

Local-first MCP server for semantic C# analysis & refactoring via Roslyn & MSBuildWorkspace.

client:Claude Code transport:stdio runtime:nuget

Install roslyn mcp in Claude Code

run in your project directory

claude mcp add roslyn-mcp -e ROSLYNMCP_SANCTIONED_ROOTS=<ROSLYNMCP_SANCTIONED_ROOTS> -- dnx Darylmcd.RoslynMcp --yes

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs