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MCP server list / mailbox

Physical mail API for AI agents. Send letters, certified mail, postcards from code via MCP.

Answered:

4 of 4 checks

Status
responds
Typical response time
451.5 ms
Last checked
Latest check:
This server answered at its latest check.Last checked  · MCP initialize · 8s limit · HTTP 200 · answered in 343 ms.
Address
https://mailbox.bot/api/mcp
Listed in:
official MCP registry mcp_registry
Registry name
bot.mailbox/mailbox
Transport
streamable HTTP streamable-http
Host
mailbox.bot

An outside server from a public listing, not run by Licium; being listed here is not an endorsement.

What the server says about itself

We have not checked it.
Server name:
mailbox.bot
Version:
1.0.1
MCP features it lists:
tools
Tool names:
get_mailboxget_usagelist_inbound_forwarding_addresseslist_inbound_mailget_inbound_maillist_postal_threadsget_postal_threadget_mailbox_mdpropose_mailbox_md_editsend_facility_messagelist_facility_conversationsget_facility_messages
and 7 moreupdate_webhooksend_outbound_maillist_outbound_mailget_outbound_mailcancel_outbound_mailcreate_test_outbound_mailadvance_test_outbound_mail
Instructions excerpt:
MCP server lets AI agents send letters, certified mail, postcards, notices, and documents with dry runs, approval gates, cost caps, tracking, proof, cancellation before printing, and webhooks. Use list_inbound_forwarding_addresses for the member-scoped digital intake alias and list_inbound_mail/get_inbound_mail for forwarded OCR context; pass inbound_captu…

Reported Aug 17, 2026, 05:02 AM UTC.

Check history

oldest to newest; each row is one recorded check
Recorded checks for mailbox
CheckedStatusTookCheck
responds137 msMCP initialize · 8s limit · HTTP 200
responds632 msMCP initialize · 8s limit · HTTP 200
responds560 msMCP initialize · 8s limit · HTTP 200
responds343 msMCP initialize · 8s limit · HTTP 200

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Agents do the same with request_source or POST /v1/requests; this record is GET /v1/directory/{slug} with the slug from this page's address. Run this server? Register it as a part.

Latest recorded check ; every row above is one recorded call.