PieterPost MCP is answering right now. Last checked 4 min ago. Last commit 3 Nov 2026.
Design letters and cards, and prepare, review, pay for, and send letters and postcards.
PieterPost MCP missed one check this week
Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.
claude mcp add pieterpost-mcp --transport http https://pieterpost.com/mcp/setup/https://pieterpost.com/mcp/setup/[mcp_servers.pieterpost-mcp]
url = "https://pieterpost.com/mcp/setup/"{
"mcpServers": {
"pieterpost-mcp": {
"url": "https://pieterpost.com/mcp/setup/"
}
}
}{
"servers": {
"pieterpost-mcp": {
"type": "http",
"url": "https://pieterpost.com/mcp/setup/"
}
}
}This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://pieterpost.com/mcp/setup/ | streamable-http | sign-in | 131 ms | 4 min ago |
Alternatives to PieterPost MCP
same job, measured the same wayThe first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
Letters, certified mail, postcards, fax, handwritten cards and checks; human review before payment.
Send USPS letters, postcards & certified mail from any agent. No signup; pay-per-piece via Stripe.
Write, preview and mail real letters and postcards to US addresses from your AI app.
Your agent sends real postcards and letters. You approve; we print and mail.
Mail real US letters, postcards and certified mail from an agent, quoted before sending.
Contract-first language and MCP server for capability-aware code and patch review.
AI-assisted MCP server for JSTQB-based test planning, design, review, and analysis.
PieterPost MCP — questions
Answers built from our own checks of this server.