com.postmarkr/letters
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Publisher-provided title
Postmarkr
Publisher-provided description
Prepare physical letters and check their status. Review and pay on Postmarkr before mailing.
Summary by lookupd
Prepares physical letters for mailing and checks their status, with payment handled through the service.
Install
Claude Code, remote (streamable-http)
claude mcp add --transport http letters https://postmarkr.com/api/mcp
Codex, remote (streamable-http)
codex mcp add letters --url https://postmarkr.com/api/mcp
Cursor, remote (streamable-http) → .cursor/mcp.json
{
"mcpServers": {
"letters": {
"url": "https://postmarkr.com/api/mcp"
}
}
}Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.
Details
- Version: 0.1.0
- Transports: streamable-http
- Uptime (7 days): 100%
- First indexed:
- Last seen in registry:
- Website: https://postmarkr.com
Badge for your README
Shows this live status and links here; updates hourly.
[](https://lookupd.com/servers/com.postmarkr/letters)
- 62071 servers
- Last crawl: 2026-11-11T16:39:06.253Z
- API base:
https://api.lookupd.com - MCP URL:
https://api.lookupd.com/mcp