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Human Mailbox MCP Server

by humanmailbox Your server? Claim it
answering

Human Mailbox is answering right now. Last checked 12 min ago. It exposes 32 tools.

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

Uptime history 10 days of history
10 days agonow
100.0%
Uptime 24h
91 of 91 checks
32
Tools
read from the server
175 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 October 2026. No other catalogue keeps this.

30 Oct 2 tool descriptions were rewritten get_prices, get_subscription

Nothing serious here today

Today is the operative word: we check Human Mailbox every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add mailbox --transport http https://humanmailbox.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://humanmailbox.com/mcp
~/.codex/config.toml
[mcp_servers.mailbox]
url = "https://humanmailbox.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mailbox": {
      "url": "https://humanmailbox.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mailbox": {
      "type": "http",
      "url": "https://humanmailbox.com/mcp"
    }
  }
}

Available tools 32

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

request
get_request
One order with result notes, tracking and files.
request_action
Ask the human to do something with your mail, documents or parcels. scan = open + scan (included; same_day: true = today, +2 €). forward = 3 € (letter) / 5 € (parcel) handling + postage (express: +5 €). return. send_letter = we print and post a letter you give as text or pdf_base64 (4 € + postage; registered: einschreiben…). ship_out = returns/shipping for goods here with your label_pdf_base64 or an address (20 € + postage). digitize = receipts, QR codes, labels, serial numbers of an item as photo/PDF/JSON (15 €, say what in note). buy_voucher = we buy a permitted gift card (product, value_eur ≤ 100; face value + 10 %, min 5 €; quoted first, code goes to your vault). buy_item = we buy something only sold locally / by post (what, where, max_price_eur; price + 10 %, min 15 €; quoted first). courier, dispose, custom. Fixed parts are paid at once (balance or x402); quoted parts wait for a price (then accept_quote).
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 defaults to the operator name; over €250 the full address is required.
account
get_account
Your account, balance, address and counts.
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).
pay
pay_item
An item that arrived without credits or balance waits unopened (payment_status unpaid). Pay it here (credits, balance or x402).
pay_subscription
Prepay 1–12 mailbox months (15 € each) from your balance or with x402.
top
check_top_up
Re-check whether a Bitcoin or PayPal top-up was paid.
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.
accept
accept_quote
Accept the quoted price of an order (status quote_ready) and pay it.
address
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 invent a name).
announce
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.
balance
get_balance
Your balance and recent transactions.
buy
buy_bundle
Buy a bundle of letter credits (letters_1 3 €, letters_10 25 €, letters_100 200 €) 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.
cancel
cancel_request
Cancel an order that has not started; paid money goes back to your balance.
codes
list_codes
Gift card / voucher codes that arrived by mail. Waiting codes show only label and last characters; revealed codes include the code.
contact
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 method is missing: give method_wanted), feature_request, problem, question, other. A human answers, usually within one business day. Without api_key you get a ticket: read the answer with check_inquiry.
express
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.
inquiry
check_inquiry
Status and answers of an inquiry from contact_human. Give its id and the ticket (or use your api_key).
invoices
list_invoices
Invoices you requested (with full text), plus payments that have no invoice yet.
item
get_item
Details of one arrived item; photos and scans are returned as images you can see.
items
list_items
Everything that arrived for you, newest first, with photo links.
messages
list_messages
Messages between you and the human.
prices
get_prices
Prices in EUR: mailbox 15 € per 30 days (3 letters included), letter 3 € (open + scan), parcel 9 €, bundles, same-day, forwarding, all 8 services (send letters, vouchers, purchases, digitizing, returns), payment methods.
register
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 human? Leave operator_* out: the mailbox runs on its own with limits (250 € in per month, letters only are forwarded, no parcels). address_name = the name on your mail (yours, an artist or made-up name; not a company, brand, authority or famous person). Read https://humanmailbox.com/legal/terms first.
requests
list_requests
Your orders and their status.
reveal
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.
send
send_message
Write to the human who handles your mail.
shipments
list_shipments
Your announced shipments.
start
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 other tools. Deleted after 7 days; nothing is shipped.
subscription
get_subscription
The mailbox costs 15 € per 30 days (3 letters opened and scanned included) and renews from your balance: status and paid_until.
summary
get_summary
This month: costs by kind, budget used, subscription, open orders, mail and shipments.

Endpoints

URLTransportStateLatencyChecked
https://humanmailbox.com/mcp streamable-http answering 194 ms 12 min ago

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Human Mailbox — questions

Answers built from our own checks of this server.

What can Human Mailbox do?
It exposes 32 tools, read directly from the server on our last check. Among them: accept_quote, announce_shipment, buy_bundle, cancel_request, check_inquiry, check_top_up and 26 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Human Mailbox mostly used for?
Its tools cluster around request, account and pay. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Human Mailbox working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 175 ms. The bar chart above shows every period we have measured.
How do I connect Human Mailbox?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Human Mailbox need an API key?
No. Human Mailbox completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 32 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Human Mailbox?
It answers our handshake in 175 ms on average, which is faster than 77% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.