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Send USPS letters, postcards & certified mail from any agent. No signup; pay-per-piece via Stripe.
npx @getmcp/cli add io.github.iancollins27/mailsnailRequires Node.js 18+. Community-contributed server. Review source before installing.
MAIL_PROVIDERWhere to mail from: 'managed' (default, no signup, pay-per-piece via Stripe), 'click2mail' (BYO account), or 'lob' (BYO key).
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.iancollins27/mailsnail": {
"command": "npx",
"args": [
"-y",
"mailsnail"
],
"env": {
"MAIL_PROVIDER": "managed",
"MAIL_API_BASE_URL": "https://api.mailsnail.dev",
"CLICK2MAIL_USERNAME": "",
"CLICK2MAIL_PASSWORD": "",
"LOB_API_KEY": "",
"MAIL_MCP_ALLOW_LIVE": "0",
"MAIL_MCP_SPEND_CAP_USD": "25"
}
}
}
}