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Human Mailbox

MCP server · hosted · v1.0.0 · com.humanmailbox/mailbox
Online · tested 1h agoNEW · 2h agoSeen in the registry 1h ago

A physical postal address in Germany for AI agents. A human opens, scans and forwards your mail.

Website ↗How to connect ↓

What it does

Human Mailbox is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version1.0.0
PriceNot in the registry
First seen29 Oct 2026
Last checked1h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 1h ago (live check)

Hosted endpoint

  • https://humanmailbox.com/mcp streamable-http

In Claude Code: claude mcp add --transport http human-mailbox https://humanmailbox.com/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "human-mailbox": {
      "url": "https://humanmailbox.com/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 1h ago

ONLINE Human Mailbox answered an MCP connection on 29 Oct 2026 and introduced itself as humanmailbox 1.0.0 (MCP protocol 2025-06-18).

32 tools offered to AI assistants

  • register_mailbox · Create your own mailbox at a physical street address in Germany. Returns an API key (shown once) and a mailbox code HM-XXXXX that must be written on every envelope. operator_* is the responsible human or company (the contract partner). No h
  • start_demo · Free demo mailbox, no registration: play money (€60 + letter credits), a scanned sample letter and a sealed sample parcel, a sample gift card code. A simulated human handles your orders about 20 seconds later. Returns an api_key for all oth
  • express_interest · No account needed. Not ready to register, or need something we do not offer yet (another country, a feature)? Leave a note: kind (agent | human), name, email (optional), country_wanted, use_case, found_via. We tell you when it is available.
  • get_prices · Prices in EUR: mailbox 15 € per 30 days, letter 5 € (open + scan), parcel 15 €, bundles, same-day, forwarding, all 8 services (send letters, vouchers, purchases, digitizing, returns), payment methods.
  • get_account · Your account, balance, address and counts.
  • get_address · The street address to put on letters and parcels, with your mailbox code in the first line. For registrations that need a first and last name, style "person" gives your operator's name with "c/o Human Mailbox HM-…" in the next line (never i
  • buy_bundle · Buy a bundle of letter credits (letters_1 5 €, letters_10 40 €, letters_100 300 €) or same-day credits (same_day_10, same_day_100). Every arriving letter uses 1 credit, a parcel 3. Paid from balance or inline with x402.
  • pay_item · An item that arrived without credits or balance waits unopened (payment_status unpaid). Pay it here (credits, balance or x402).
  • announce_shipment · Tell the human that something is on its way (tracking number helps). To have something done as soon as it arrives, call request_action with the returned shipment_id.
  • list_shipments · Your announced shipments.
  • list_items · Everything that arrived for you, newest first, with photo links.
  • get_item · Details of one arrived item; photos and scans are returned as images you can see.
Show 20 more
  • request_action · Ask the human to do something with your mail, documents or parcels. scan = open + scan (included; same_day: true = today, +2 €). forward = 5 € (letter) / 10 € (parcel) handling + postage (express: +5 €). return. send_letter = we print and p
  • list_requests · Your orders and their status.
  • get_request · One order with result notes, tracking and files.
  • accept_quote · Accept the quoted price of an order (status quote_ready) and pay it.
  • cancel_request · Cancel an order that has not started; paid money goes back to your balance.
  • list_codes · Gift card / voucher codes that arrived by mail. Waiting codes show only label and last characters; revealed codes include the code.
  • reveal_codes · Reveal waiting codes (1 € per code, from balance or x402). Give ids, or nothing to reveal all waiting codes. Codes not retrieved within 24 months expire.
  • request_invoice · Only if you need an invoice: creates one (free, no VAT under § 19 UStG) for your payments that have none yet, or for the given payment_ids, and emails it (default: your operator email). Nothing is invoiced unless you call this. billing.name
  • list_invoices · Invoices you requested (with full text), plus payments that have no invoice yet.
  • contact_human · Works without an account. For anything that is not a standard order: topic special_request (a job not in the price list: say what, where, when, budget_eur), is_it_possible (ask before you send mail for it), payment_method (your payment meth
  • check_inquiry · Status and answers of an inquiry from contact_human. Give its id and the ticket (or use your api_key).
  • get_balance · Your balance and recent transactions.
  • get_summary · This month: costs by kind, budget used, subscription, open orders, mail and shipments.
  • get_subscription · The mailbox costs 15 € per 30 days and renews from your balance: status and paid_until.
  • pay_subscription · Prepay 1–12 mailbox months (15 € each) from your balance or with x402.
  • update_account · Set budget_eur_month (spending limit for orders, null = none), webhook_url, open_policy (standard | same_day | never), address_name (name on your mail), auto_reveal_codes, or name your human operator (operator_name + operator_email).
  • top_up · Add money (EUR): method x402 (pay now in USDC at the current rate), btc (get a Bitcoin address + amount) or paypal (get a link for your human operator). Give amount_eur, or bundle to buy that bundle as soon as it is paid.
  • check_top_up · Re-check whether a Bitcoin or PayPal top-up was paid.
  • send_message · Write to the human who handles your mail.
  • list_messages · Messages between you and the human.

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://humanmailbox.com/mcpDECLAREDSRC-001 Official MCP Registry1h ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry1h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry1h ago
Websitehttps://humanmailbox.comDECLAREDSRC-001 Official MCP Registry1h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry1h ago
Version1.0.0DECLAREDSRC-001 Official MCP Registry1h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry1h ago

Change history

  • NEW29 Oct 2026
    first seen in the index

Is this page accurate?

Flag it and our robot re-checks the official source. Reports never change a score.

Do you run Human Mailbox? Know when it stops answering

For publishers · optional

Its hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.

Monitor Human MailboxLaunch offer $39.99 once, for life instead of $9.99/month · All plans

Monitoring never changes a score or a rank.

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Questions about Human Mailbox

How do I connect Human Mailbox?

Use the hosted endpoint https://humanmailbox.com/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does Human Mailbox offer?

When Electra Index connected on 29 Oct 2026, it listed 32 tools: register_mailbox, start_demo, express_interest, get_prices, get_account, get_address, buy_bundle, pay_item and more. The full list is in "Live check" above.

Is Human Mailbox online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 1h ago.