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Directory / Does It Work In
Does It Work In
by doesitworkin.com · https://doesitworkin.com/mcp
Verified travel compatibility for eSIMs, VPNs, Alipay/WeChat Pay, IC cards and maps abroad.
12 of 12 checks · 11 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
- 4 read-only, 1 labeled as changing things
- Memory it takes
- About 580 tokens of your AI's memory, just for its tool descriptions
- Largest answer
- About 27.3 KB in our test
- Speed
- Average answer in our test: 40 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, 11 Nov 2026.
Is Does It Work In 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.
- 4 of its 5 tools are labeled read-only; the others may change or send things.
- Overall it scored 89/100 on 11 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_guidesread-onlySearch Does It Work In guides and provider comparisons by query, country slug (e.g.
get_guideread-onlyGet full compatibility details for a path (e.g.
get_countryread-onlyGet the full compatibility status matrix, guides and recommended providers for a destination slug (e.g.
list_providersread-onlyList tested eSIM, VPN, multi-currency payment and travel booking providers with starting prices and summary notes.
report_outdated_infoSubmit a field report if a carrier rule, app status, payment limit or provider price has changed.
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 (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Every tool is describednote
4 warnings
- !search_guides: Inputs with no description: q, country, topic, limit
- !get_country: Inputs with no description: slug
- !list_providers: Inputs with no description: category
- !report_outdated_info: Inputs with no description: path, field, message
- ✓ConnectsConnected in 462 mspass
- ✓Lists its toolsFound 5 toolspass
- ✓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_guides: Worked (42 ms)
- ✓get_guide: Answered with an error, probably because of our sample input: not_found: No guide at this path. Use search_guides to find valid guide paths. {"error":"not_found","message":"No guide at this path. Use s…
- ✓get_country: Answered with an error, probably because of our sample input: not_found: Unknown destination slug "test". Available: china, europe, hong-kong, japan, south-korea, taiwan, thailand, vietnam. {"error":"n…
- ✓list_providers: Worked (26 ms)
- –report_outdated_info: Not run: labeled as changing data
- ✓Bad inputs give a clean errorpass
All good
- ✓search_guides: Refused wrong type for "q" with a clear error
- ✓get_guide: Refused missing required input "path" with a clear error
- ✓get_guide: Refused wrong type for "path" with a clear error
- ✓get_country: Refused missing required input "slug" with a clear error
- ✓get_country: Refused wrong type for "slug" with a clear error
- ✓list_providers: Refused wrong type for "category" with a clear error
- ✓Tools work togethersearch_guides → get_guide: get_guide found what search_guides returned (path = "/china/alipay")pass
- ✓Fast enoughpass
All good
- ✓Connecting took 462 ms
- ✓Listing tools took 48 ms
- ✓Average tool answer: 40 ms
- ✓get_guide: Slowest tool: get_guide (67 ms)
- ✓No secrets leakedChecked 9 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
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://doesitworkin.com/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-doesitworkin-doesitworkin.html)Score over time
- 11 Nov 202689
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use Does It Work In, 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