Claude Code for Visual Studio
github.com/firish/claude_code_vs →Someone actually brought Claude Code into full Visual Studio, not VS Code
WHAT IT SOLVES
Claude Code's ecosystem lives in VS Code and terminal. If you write .NET in Visual Studio, you're out of luck
WHY IT'S INTERESTING
Deliberately ignoring the obvious market
Everyone builds Claude Code extensions for VS Code — 10x the user base. This person deliberately targeted Visual Studio 2026, serving the .NET developers who can't just switch editors. Niche, but precise
Native diff viewer and Roslyn-powered code navigation
Not a janky text dump — it launches VS's actual diff viewer with Accept/Reject buttons, so changes feel like a code review. Plus Roslyn compiler-level understanding, so Claude operates on code structure, not just text
Reverse-engineered Claude Code's integration protocol and built the IDE half
The README calls it 'The IDE half of Claude Code's integration protocol.' Autonomously-driven debugger, Test Explorer integration — they read the protocol spec, understood it, and built it properly
「The IDE half of Claude Code's integration protocol」
TECH GUESS
C# with VS Extension SDK and Roslyn APIs, likely using LSP and Claude Code's stdio integration protocol
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