Roslyn Codex LSP

C# diagnostics, navigation and refactoring in Codex, backed by the official Roslyn language server. The bridge connects Codex through the Model Context Protocol (MCP). No editor extension is required.

• Read errors, warnings and analyzer suggestions.
• Find definitions, implementations, references and symbols.
• Preview and apply renames, fixes and refactorings.

Get started to connect your project, or see Usage for the tool reference.

The agent reference provides plain-text API guides and JSON examples for diagnostics, navigation and edits.

Example

Codex inspects diagnostics, previews a rename and a fix, then applies the selected rename.