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Directory / e-eSIM Catalog
e-eSIM Catalog
by e-esim.com · https://e-esim.com/wp-json/e-esim/mcp
Search travel eSIM data plans worldwide with live prices, plan details and a buy link.
12 of 12 checks · 9 Nov 2026
At a glance
- Runs where
- On their server. What you send to it goes to them.
- What you need
- Nothing: it answered without a login
- Tools
- 5 tools
- Its own safety labels
- 5 read-only
- Memory it takes
- About 1,600 tokens of your AI's memory, just for its tool descriptions
- Largest answer
- About 9 KB in our test
- Speed
- Average answer in our test: 249 ms
Tokens are an estimate: the characters in its tool names, descriptions and inputs, divided by 4. The exact number depends on your AI model. Safety labels are what the server says about itself. From our latest test, 9 Nov 2026.
Is e-eSIM Catalog MCP server safe?
- None of the hidden-instruction wordings we know were found in its 5 tool descriptions.
- Its error messages showed no secrets or internal details.
- All 5 of its tools are labeled read-only.
- Overall it scored 86/100 on 9 Nov 2026.
A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.
What this test does not check
- Its source code and packages.
- What a tool quietly does behind the scenes, such as writing a file or calling another service.
- Instructions hidden inside live tool answers. We only look for those in tool descriptions.
- Hidden instructions worded in a way our list doesn't know yet.
- Tools that could change something. Those are read, never run.
What QAmcp can and can't see · How to tell if an MCP server is safe · Hidden instructions · Prompt injection
Known security advisories
It lists no public code, so there is nothing to look up in GitHub Security Advisories or OSV.dev. QAmcp tests how a server behaves. It does not scan source code.
What it can do
5 tools, in the server's own words.
search_esim_plansread-onlyFind e-eSIM eSIM plans for one destination or several (countries or regions, any language).
get_plan_detailsread-onlyFull facts for one e-eSIM plan by product id: coverage list, data and speed rules (daily allowance, reduced speed, fair use), validity clock, expiry date, noti…
start_checkoutread-onlyHand the customer to the e-eSIM shop to buy one plan.
recommend_planread-onlyTurn a trip into up to three plan recommendations: countries (1-5, any language), number of days and how much data the traveller uses.
get_shop_factsread-onlyHow e-eSIM works, in the shop's own words: delivery and installation, device requirements, payment methods, refund policy, no top-ups, hotspot, Usage Dashboard…
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Bad inputs give a clean errornote
1 warning
- !search_esim_plans: Accepted wrong type for "destination" without complaining
- and 4 more
- !Resources and prompts worknote
2 warnings (3 resources, 2 prompts)
- !find_plan_for_trip: Doesn't complain when the required input countries, days is missing.
- !compare_plans: Doesn't complain when the required input product_ids is missing.
- and 3 more
- ✓ConnectsConnected in 1.1 spass
- ✓Lists its toolsFound 5 toolspass
- ✓Every tool is describedAll 5 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.pass
- ✓Tools work with good inputspass
All good
- ✓search_esim_plans: Worked (258 ms)
- ✓get_plan_details: Answered with an error, probably because of our sample input: {"code":"not_found","message":"Plan not found or not available.","localize":"Render every human-readable string in this result in the user'…
- ✓recommend_plan: Answered with an error, probably because of our sample input: {"code":"unknown_destination","message":"No e-eSIM coverage matched: test. Pass the country in English or as a 2-letter ISO code; for a cit…
- ✓get_shop_facts: Worked (229 ms)
- –start_checkout: Not run: labeled read-only, but its name starts with "start", which usually means it changes something. Skipped to be safe: if it only reads, a clearer name helps AI apps too, or test again with --owner
- ✓Fast enoughpass
All good
- ✓Connecting took 1.1 s
- ✓Listing tools took 273 ms
- ✓Average tool answer: 249 ms
- ✓search_esim_plans: Slowest tool: search_esim_plans (258 ms)
- ✓No secrets leakedChecked 6 error messages: no secrets or internal detailspass
- ✓Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guidepass
- –Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)not tested
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://e-esim.com/wp-json/e-esim/mcpShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/com-e-esim-esim-catalog.html)Score over time
- 9 Nov 202686
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use e-eSIM Catalog, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works