~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.json~/.config/Claude/claude_desktop_config.json{
"mcpServers": {
"Authenticator App MCP": {
"command": "npx",
"args": [
"-y",
"authenticator-mcp",
"--access-token=YOUR-KEY"
]
}
}
}