Roslyn Workbench MCP
A local MCP server for Roslyn-powered C# code analysis and safe, transactional refactoring.
Install
Run one of the commands below, then add the client config underneath.
nugetLantean.Roslyn.Workbench.Mcp
About this server
Roslyn Workbench MCP is listed in the Developer Tools category of the MCPNav directory. It is distributed as nuget and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Roslyn Workbench MCP MCP server?
Roslyn Workbench MCP is an MCP server by lantean-code. A local MCP server for Roslyn-powered C# code analysis and safe, transactional refactoring.
How do I install Roslyn Workbench MCP?
Install it with: Lantean.Roslyn.Workbench.Mcp. Then add the JSON config to your client's MCP settings and restart the client.
Is Roslyn Workbench MCP free to use?
The MCP server itself is free to install. The source is public on https://github.com/lantean-code/roslyn-workbench-mcp. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Roslyn Workbench MCP?
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.