Install mailsnail for Claude Desktop
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
- Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
- Paste the JSON config below.
- Replace placeholder secrets, then restart the client if it does not reload on its own.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"iancollins27-mailsnail": {
"command": "npx",
"args": [
"-y",
"mailsnail@0.6.0"
],
"env": {
"MAIL_PROVIDER": "managed",
"MAIL_API_BASE_URL": "https://api.mailsnail.dev",
"CLICK2MAIL_USERNAME": "",
"CLICK2MAIL_PASSWORD": "YOUR_CLICK2MAIL_PASSWORD",
"LOB_API_KEY": "YOUR_LOB_API_KEY",
"MAIL_MCP_ALLOW_LIVE": "0",
"MAIL_MCP_SPEND_CAP_USD": "25"
}
}
}
}