claudecodex

roslyn-mcp

Roslyn MCP — the compiler's view of a C# solution for Codex, Claude Code, and Cursor through one MCP server, with or without Visual Studio.

1 on GitHubby Dmitry Linetskyv3.0.0MITupdated 2 days agoDeveloper Tools
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Plugin roslyn-mcp from marketplace dlin10-ai-coding-plugins in dlin10/ai-coding-plugins. Commands read from the repo's manifest — yesterday.

This plugin runs code on your machine — its hooks fire automatically on events like tool use and it starts local MCP servers. The exact commands are listed below; read them before installing.

What it installs

Skills (3)

  • roslyn-first

    Use first for semantic questions about C#/.NET symbols, compiler diagnostics, references, callers, definitions, implementations, type APIs, or dead code. Codex and Claude Code use a strict Roslyn-first gate; Cursor may use semantic search for conceptual discovery but must verify symbol claims with R

  • roslyn-install-vsix

    Install or upgrade the bundled Roslyn MCP Visual Studio extension on native Windows, the optional accelerator that lets the plugin's roslyn-mcp server answer from a solution Visual Studio has open. Use when the user wants to install, update, or reinstall the VSIX for Codex, Claude Code, or Cursor.

  • roslyn-setup-repo

    Migrate a native-Windows repository from the Roslyn MCP 2.x per-solution ports to the plugin's roslyn-mcp server, for Codex, Claude Code, and Cursor. Removes the repository's port configuration, and global Roslyn entries only after explicit approval.

Slash commands (2)

  • /roslyn-mcp:install

    Install or upgrade the bundled Roslyn MCP Visual Studio extension, which serves a solution Visual Studio has open to the plugin's roslyn-mcp server.

  • /roslyn-mcp:setup-repo

    Migrate the current repo from Roslyn MCP 2.x per-solution ports to the plugin's roslyn-mcp server for Codex, Claude Code, and Cursor, removing global Roslyn entries only after approval.

MCP servers (1)

  • roslyn-mcp

    runs: cmd.exe /d /c .\bin\roslyn-mcp-launcher.cmd

Hooks (1)

  • PreToolUse

    powershell -NoProfile -ExecutionPolicy Bypass -File "$PLUGIN_ROOT/hooks/roslyn-grep-nudge.ps1" -HostKind codex

View source on GitHub

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