npoi
GitHuba .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.
Claude Desktop Configuration
Add to ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"npoi": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-npoi"
]
}
}
}