OneNote MCP server for Windows in C#/.NET — drives OneNote desktop over COM, no bridge process, no API key. 27 tools for any MCP client (Claude Desktop, Claude Code, Cursor, Codex).
A standalone Model Context Protocol server for Microsoft OneNote desktop, written in C# on .NET 8. It connects to OneNote through its Windows COM API **directly from .NET** — no PowerShell bridge process, no API key, no embedded AI provider. This is a full port of the Bun/TypeScript `onenote-mcp-windows` server: the