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eSIM-Global.VIP MCP server

Which MCP servers are eSIM-Global.VIP's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-21

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Whose server it is
  • Registry namevip.esim-global/esim-catalogverified in the MCP registry

The registry name sits under esim-global.vip. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-21
  • Stateanswerschecked 2026-10-21
  • Tools5
  • Server calls itselfeSIM-Global.VIP
  • Server version2.0.6
  • Protocol version2025-06-18

On 2026-10-21 the server answered initialize and tools/list without a sign-in. First answer in 723 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: install an eSIM on a phone before departure; check remaining data without an app or account.
  • Checked on 6 of the 7 days it takes to judge reliability.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 6, the first on 2026-10-21
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 6 so far
  • What an agent can do with it0 of 2 use cases
  • Answeredmeasuring6 of the 7 daily checks it takes to print a share
  • Median first answer748 ms
  • Space in an agent's context≈ 1,548 tokensthe definitions of all its tools (5), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results5 of 5 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • not sure · buy a prepaid data eSIM before a trip
  • cannot · install an eSIM on a phone before departure
  • cannot · check remaining data without an app or account

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers5 tools · read 2026-10-21
  • search_esim_plans

    Find eSIM-Global.VIP eSIM plans for one destination or several (countries or regions, any language). Returns the best-value plans first with full facts, coverage lists and a direct link; multi-country plans that include the destination…

  • get_plan_details

    Full facts for one eSIM-Global.VIP plan by product id: coverage with networks per country, data and speed rules, activation and validity rules, hotspot / APN / registration facts, top-up, refund rule, price with basis, reviews and link…

  • start_checkout

    Hand the customer to the eSIM-Global.VIP shop to buy one plan. Returns buy_url (the product page where they tap Buy now and pay securely — card, Apple Pay, Google Pay, PayPal, Amazon Pay, Link or a local method such as iDEAL | Wero…

  • recommend_plan

    Turn a trip into up to three plan recommendations: countries (1-5, any language), number of days and how much data the traveller uses. Each fit carries the full plan facts, the total price for the whole trip and a one-sentence reason…

  • get_shop_facts

    How eSIM-Global.VIP works, in the shop's own words: delivery and installation, device requirements, payment methods, money-back guarantee, top-up, hotspot, support and company details. Use for any "how / when / what if" question that is…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "esim-catalog": {
      "type": "http",
      "url": "https://esim-global.vip/esimshop/wp-json/esimglobal/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http esim-global https://esim-global.vip/esimshop/wp-json/esimglobal/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://esim-global.vip/esimshop/wp-json/esimglobal/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.