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FinancialMCP serverFirst audited Nov 13, 2026

com.buyukesim/mcp

No-logs VPN, real UK +44 number eSIMs and travel-data eSIMs, bought with crypto. No KYC, no account.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 21 of 21 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 412 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://buyukesim.com/mcp

Website Streamable HTTP · protocol 2025-11-25 · server version 1.0.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 21 of 21 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • search_esim_plans
    • list_covered_countries
    • get_uk_number_info
    • list_vpn_plans
    • get_payment_and_delivery_times
    • get_esim_exit_countries
    • list_reviews
    • check_uk_coverage
    • and 13 more

Tools

  • Passed: 21 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (21)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • search_esim_plansSearch BuyUKeSIM travel/data eSIM plans for a country. Returns plan name, data amount, validity days, USD price, package code and a buy link that opens checkout on that exact plan. Structured output…Doesn't say
  • list_covered_countriesList the countries/regions BuyUKeSIM travel eSIM data plans currently cover, with how many plans each has (2-letter ISO codes).Doesn't say
  • get_uk_number_infoGet details of the BuyUKeSIM UK Number (+44) eSIM: a real UK mobile line for unlimited incoming SMS and calls (app and service verification codes, WhatsApp, Telegram), no KYC, paid in crypto, instant…Doesn't say
  • list_vpn_plansList the BuyUKeSIM VPN access plans (7/15/30/90/180/365 days, USD price) and the server countries currently available, with protocols (WireGuard, OpenVPN, VLESS). VPN access, no account, paid in cryp…Doesn't say
  • get_payment_and_delivery_timesHow long a crypto payment actually takes at BuyUKeSIM and what happens after it confirms. Returns measured confirmation times per coin (median, worst case, share confirmed within two minutes) taken f…Doesn't say
  • get_esim_exit_countriesWhere a BuyUKeSIM travel data eSIM reaches the public internet, per destination. A travel eSIM roams, so the data session is usually tunnelled to the sponsoring operator gateway and a website sees TH…Doesn't say
  • list_reviewsRead real customer reviews of BuyUKeSIM, newest first, with the overall rating and how many there are. Reviews are published unmoderated: nothing approves one before it appears, and the buyer country…Doesn't say
  • check_uk_coverageCheck whether the UK +44 number has been reported working in a country, from buyers who told us after using it there. Pass a 2-letter ISO country code. Returns how many reports exist and how many sai…Doesn't say
  • get_bundle_infoDescribe the UK Number + Travel eSIM bundle: both products in ONE crypto checkout, delivered as TWO QR codes and opened with one order code. Use it when someone wants a +44 number for verification co…Doesn't say
  • get_vpn_configFetch a VPN client configuration for one server on a VPN order. Needs the order_id and its short lookup/magic code (both returned by purchase_vpn), a protocol (wireguard, openvpn or vless) and a serv…Doesn't say
  • check_order_statusLook up the status of a BuyUKeSIM order using its short lookup/magic code (the code the customer received). Returns only the order status - no personal data, no QR.Doesn't say
  • create_walletCreate a new BuyUKeSIM agent wallet - a prepaid, no-KYC balance an AI agent funds with crypto and spends on eSIMs. Returns an api_key (ak_live_...) and a wallet_code. Save both: pass the api_key as t…Doesn't say
  • check_balanceCheck the balance of the agent wallet (pass the ak_live_ api key from create_wallet). Returns available USD balance.Doesn't say
  • create_depositTop up the agent wallet with crypto (pass the ak_live_ api key from create_wallet). Returns a crypto payment address and amount; the balance is credited automatically once the payment confirms on-cha…Doesn't say
  • list_transactionsList the most recent transactions (deposits and purchases) on the agent wallet. Pass the ak_live_ api key from create_wallet.Doesn't say
  • purchase_esimBuy a travel/data eSIM using the agent wallet balance (pass the ak_live_ api key from create_wallet). Deducts the plan price from the balance and returns the eSIM QR code instantly. Get a package_cod…Doesn't say
  • list_esim_topupsList the extra data packages that can be loaded onto a travel eSIM this wallet already bought, so it keeps working instead of being replaced. Pass the order_id from purchase_esim and the ak_live_ key…Doesn't say
  • purchase_esim_topupAdd more data to a travel eSIM this wallet already bought, paid from the balance. The data lands on the profile the user already installed: same QR, same ICCID, nothing to install again, so there is…Doesn't say
  • purchase_uk_numberBuy a UK +44 Number eSIM (a real UK mobile line for incoming verification SMS and calls) using the agent wallet balance. Deducts about $25 and delivers a QR from stock instantly. Pass the ak_live_ ap…Doesn't say
  • purchase_vpnBuy VPN access using the agent wallet balance. Deducts the plan price and returns the username, password and expiry instantly. plan is one of 7d, 15d, 30d, 90d, 180d, 365d - call list_vpn_plans first…Doesn't say
  • get_one_time_codeOne-Time Codes are PAUSED and cannot be bought; this only works for orders placed before the pause. Poll a purchased One-Time Code order for its SMS code. Returns the phone number and, once it arrive…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200412 ms
initializedHTTP 202161 ms
tools/listHTTP 200353 ms
unknown-methodHTTP 200146 ms

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