Alternatives to C# MCP SDK

MarkItDown is Microsoft's lightweight Python utility for converting files to Markdown for use with LLMs and text-analysis pipelines, and this repository includes the markitdown-mcp package that exposes the converter through MCP. It converts PDF, PowerPoint, Word, Excel, images (EXIF metadata and OCR), audio (EXIF metadata and speech transcription), HTML, text-based formats such as CSV, JSON, and XML, ZIP files, YouTube URLs, and EPUBs, preserving document structure such as headings, lists, tables, and links.

🐍 ☁️ - An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.

📇 🏠 🐧 🍎 - MCP Server for Android/iOS application and device automation, development and app scraping. Simulator/Emulator/Physical devices like iPhone, Google Pixel, Samsung supported.

The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.

#️⃣ 🏠 🍎 🪟 🐧 - MCP Server for Unity Editor and for a game made with Unity

🐍 ☁️ 🍎 🪟 🐧 - Comprehensive Google Workspace MCP server with full support for Google Calendar, Drive, Gmail, and Docs, Forms, Chats, Slides and Sheets over stdio, Streamable HTTP and SSE transports

#️⃣ 🏠 - MCP Server for Unity3d Game Engine integration for game development

📇 ☁️ - The most powerful MCP server for Slack Workspaces.

🐍 ☁️ - A Model Context Protocol server for interacting with Google Sheets. This server provides tools to create, read, update, and manage spreadsheets through the Google Sheets API.

MCP server for interacting with Microsoft 365 and Microsoft Office services through the Microsoft Graph API, including Outlook and mail, files, Excel, and calendar. It authenticates via MSAL, supports the global, China (21Vianet), and GCC High clouds, and provides read-only mode, tool filtering, and tool presets and dynamic discovery to control the exposed tool surface.

🐍 ☁️ - Integration with gmail and Google Calendar.

🐍 ☁️ - MCP server that integrates Microsoft Teams messaging (read, post, mention, list members and threads)