excel-mcp-server and mcp-server-excel
These are competitors offering overlapping MCP server implementations for Excel automation, with A providing a simpler abstraction layer while B exposes more granular COM API operations (23 tools vs. implicit feature set).
About excel-mcp-server
haris-musa/excel-mcp-server
A Model Context Protocol server for Excel file manipulation
Enables programmatic Excel manipulation through openpyxl with support for formulas, charts, pivot tables, and conditional formatting—without requiring Excel installation. Implements three transport modes (stdio for local clients, streamable HTTP for remote connections) with configurable file paths via environment variables. Integrates with AI agents via the Model Context Protocol, allowing LLMs to read, create, and modify workbooks through a comprehensive tool API.
About mcp-server-excel
sbroenne/mcp-server-excel
Excel MCP Server & CLI - 23 tools, 214 operations for AI-powered Excel automation via COM API
Implements both MCP Server and CLI interfaces using .NET 10 with stdio transport, leveraging Roslyn source generators to maintain 1:1 parity between conversational AI tools and coding agent commands. Built on Windows-only COM interop for direct Excel process control, enabling real-time interactive development with visual feedback through screenshots and window management, while LLM-tested tool definitions ensure reliable AI understanding and execution of complex spreadsheet operations.
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