Card Mailer is answering right now. Last checked 9 min ago. It exposes 6 tools.
Print and mail 5x7 holiday and thank-you photo cards to a US address list. $2.49/card incl. postage.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 23 October 2026. No other catalogue keeps this.
Today is the operative word: we check Card Mailer every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.
claude mcp add card-mailer --transport http https://cards.onmax.me/mcp
https://cards.onmax.me/mcp
[mcp_servers.card-mailer]
url = "https://cards.onmax.me/mcp"
{
"mcpServers": {
"card-mailer": {
"url": "https://cards.onmax.me/mcp"
}
}
}
{
"servers": {
"card-mailer": {
"type": "http",
"url": "https://cards.onmax.me/mcp"
}
}
}
This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
create_mailing
get_mailing_status
design_card
fix_address
import_address_list
quote_mailing
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://cards.onmax.me/mcp | streamable-http | answering | 129 ms | 9 min ago |
| https://cards.onmax.me/mcp/claude | streamable-http | answering | 159 ms | 9 min ago |
Turn a photo into a real printed postcard, mailed anywhere. Returns a link to finish and pay.
Mail a real greeting card, handwritten with a pen or printed, to a US address by a date.
Your agent sends real postcards and letters. You approve; we print and mail.
Print & mail PDF/HTML/Markdown/text/DOCX/images to US addresses; pay per call in x402 USDC on Base.
Order photo prints, canvas, T-shirts and mugs from photos, made by a lab and posted in the US.
Holiday photo MCP server: list and fetch personal holiday photos inline in Claude chat.
Interactive photo gallery widget for a single Airbnb listing with price, rating, and link.
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
Answers built from our own checks of this server.