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Send physical handwritten postcards from any AI agent. Real pen & ink, USPS, $4.99/card.
About
Send physical handwritten postcards from any AI agent. Real pen & ink, USPS, $4.99/card.
What You'll Need
Set these up before or after installing:
Your Handwrytten API key (v1.0) or Postals API key (v1.1+).Required
Environment variable: POSTALS_API_KEY
Default sender full name for return address.
Environment variable: POSTALS_SENDER_NAME
Default sender street address.
Environment variable: POSTALS_SENDER_ADDRESS
Default sender city.
Environment variable: POSTALS_SENDER_CITY
Default sender 2-letter US state code.
Environment variable: POSTALS_SENDER_STATE
Default sender 5-digit ZIP (or 5+4 format).
Environment variable: POSTALS_SENDER_ZIP
Default card front image URL (HTTPS, PNG or JPEG, landscape 7x5 preferred).
Environment variable: POSTALS_DEFAULT_CARD_IMAGE
Default handwriting font. Default: Joyful Jennifer.
Environment variable: POSTALS_HANDWRITING_STYLE
Max cards per day (safety net). Default: 50.
Environment variable: POSTALS_DAILY_LIMIT
Set to 'true' for test mode (validates inputs, no cards actually sent).
Environment variable: POSTALS_TEST_MODE
Optional. Enables AI message generation via Cloudflare Workers AI.
Environment variable: CLOUDFLARE_ACCOUNT_ID
Optional. Required together with CLOUDFLARE_ACCOUNT_ID for AI message generation.Required
Environment variable: CLOUDFLARE_API_TOKEN
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-coopergwrenn-postals-mcp": {
"env": {
"POSTALS_API_KEY": "your-postals-api-key-here",
"POSTALS_TEST_MODE": "your-postals-test-mode-here",
"POSTALS_SENDER_ZIP": "your-postals-sender-zip-here",
"POSTALS_DAILY_LIMIT": "your-postals-daily-limit-here",
"POSTALS_SENDER_CITY": "your-postals-sender-city-here",
"POSTALS_SENDER_NAME": "your-postals-sender-name-here",
"CLOUDFLARE_API_TOKEN": "your-cloudflare-api-token-here",
"POSTALS_SENDER_STATE": "your-postals-sender-state-here",
"CLOUDFLARE_ACCOUNT_ID": "your-cloudflare-account-id-here",
"POSTALS_SENDER_ADDRESS": "your-postals-sender-address-here",
"POSTALS_HANDWRITING_STYLE": "your-postals-handwriting-style-here",
"POSTALS_DEFAULT_CARD_IMAGE": "your-postals-default-card-image-here"
},
"args": [
"-y",
"postals-mcp"
],
"command": "npx"
}
}
}Security Report
10.0
Low Risk10.0Low RiskValid MCP server (3 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
3 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
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