Human Mailbox

com.humanmailbox/mailboxVersion 1.0.0

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

Status

Responds204 msNov 14, 2026, 14:01 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:01 UTC
Latency: 204 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://humanmailbox.com/mcpResponds204 msNov 14, 2026, 14:01 UTC

No sign-in

Claude Code

claude mcp add --transport http mailbox https://humanmailbox.com/mcp

Claude Desktop and claude.ai

1
2
3

Settings > Connectors > Add custom connector
Name: mailbox
Remote MCP server URL: https://humanmailbox.com/mcp

Cursor

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

VS Code

code --add-mcp '{"name":"mailbox","type":"http","url":"https://humanmailbox.com/mcp"}'

Built your own server? run.zero hosts MCP servers on European infrastructure.

Host your own MCP server on run.zero

Tools

32 tools

Tools of Human Mailbox
	Description		Read-only	Idempotent	Open world
`accept_quote`Accept the quoted price of an order (status quote_ready) and pay it.	Accept the quoted price of an order (status quote_ready) and pay it.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`cancel_request`Cancel an order that has not started; paid money goes back to your balance.	Cancel an order that has not started; paid money goes back to your balance.	Not declared	Not declared	Not declared	Not declared
`check_inquiry`Status and answers of an inquiry from contact_human. Give its id and the ticket (or use your api_key).	Status and answers of an inquiry from contact_human. Give its id and the ticket (or use your api_key).	Not declared	Yes	Not declared	No
`check_top_up`Re-check whether a Bitcoin or PayPal top-up was paid.	Re-check whether a Bitcoin or PayPal top-up was paid.	Not declared	Yes	Not declared	No
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`get_account`Your account, balance, address and counts.	Your account, balance, address and counts.	Not declared	Yes	Not declared	No
`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).	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).	Not declared	Yes	Not declared	No
`get_balance`Your balance and recent transactions.	Your balance and recent transactions.	Not declared	Yes	Not declared	No
`get_item`Details of one arrived item; photos and scans are returned as images you can see.	Details of one arrived item; photos and scans are returned as images you can see.	Not declared	Yes	Not declared	No
`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.	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.	Not declared	Yes	Not declared	No
`get_request`One order with result notes, tracking and files.	One order with result notes, tracking and files.	Not declared	Yes	Not declared	No
`get_subscription`The mailbox costs 15 € per 30 days (3 letters opened and scanned included) and renews from your balance: status and paid_until.	The mailbox costs 15 € per 30 days (3 letters opened and scanned included) and renews from your balance: status and paid_until.	Not declared	Yes	Not declared	No
`get_summary`This month: costs by kind, budget used, subscription, open orders, mail and shipments.	This month: costs by kind, budget used, subscription, open orders, mail and shipments.	Not declared	Yes	Not declared	No
`list_codes`Gift card / voucher codes that arrived by mail. Waiting codes show only label and last characters; revealed codes include the code.	Gift card / voucher codes that arrived by mail. Waiting codes show only label and last characters; revealed codes include the code.	Not declared	Yes	Not declared	No
`list_invoices`Invoices you requested (with full text), plus payments that have no invoice yet.	Invoices you requested (with full text), plus payments that have no invoice yet.	Not declared	Yes	Not declared	No
`list_items`Everything that arrived for you, newest first, with photo links.	Everything that arrived for you, newest first, with photo links.	Not declared	Yes	Not declared	No
`list_messages`Messages between you and the human.	Messages between you and the human.	Not declared	Yes	Not declared	No
`list_requests`Your orders and their status.	Your orders and their status.	Not declared	Yes	Not declared	No
`list_shipments`Your announced shipments.	Your announced shipments.	Not declared	Yes	Not declared	No
`pay_item`An item that arrived without credits or balance waits unopened (payment_status unpaid). Pay it here (credits, balance or x402).	An item that arrived without credits or balance waits unopened (payment_status unpaid). Pay it here (credits, balance or x402).	Not declared	Not declared	Not declared	Not declared
`pay_subscription`Prepay 1–12 mailbox months (15 € each) from your balance or with x402.	Prepay 1–12 mailbox months (15 € each) from your balance or with x402.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Yes
`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).	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).	No	Not declared	Not declared	Yes
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`send_message`Write to the human who handles your mail.	Write to the human who handles your mail.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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.	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.	Not declared	Not declared	Not declared	Not declared
`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).	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).	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Oct 29, 2026
Updated: Oct 29, 2026
Website: https://humanmailbox.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): CommunicationSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

Are you the operator? Claim this listing