korea-stay

Is korea-stay MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• 3 of its 4 tools are labeled read-only; the others may change or send things.
• Overall it scored 93/100 on 28 Oct 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 it can do

4 tools, in the server's own words.

Test results

Safe mode: only tools labeled read-only were run. How the test works

• !
  Ready for the newest MCP version

  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.
  note
• !
  Fast enough

  1 warning

  • !stay_search: Slowest tool: stay_search (2.5 s): users will notice the wait
  • and 3 more
  note
• ✓
  ConnectsConnected in 1.6 s
  pass
• ✓
  Lists its toolsFound 4 tools
  pass
• ✓
  Every tool is describedAll 4 tools and their inputs are described
  pass
• ✓
  Tools are labeled safe or dangerousEvery tool has a safety label
  pass
• ✓
  No hidden instructionsNo hidden instructions found in tool descriptions
  pass
• ✓
  Tools work with good inputs

  All good

  • ✓stay_search: Worked (2.5 s)
  • ✓stay_detail: Answered with an error, probably because of our sample input: Error executing tool stay_detail: stay_id 형식이 'source:source_id'가 아니다 — stay_search 결과 항목의 stay_id를 그대로 넘겨야 한다(예: tourapi:2671267, 원천: lice…
  • ✓stay_booking_link: Answered with an error, probably because of our sample input: Error executing tool stay_booking_link: stay_id 형식이 'source:source_id'가 아니다 — stay_search 결과 항목의 stay_id를 그대로 넘겨야 한다(예: tourapi:2671267, 원천…
  • –report_issue: Not run: labeled as changing data
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓stay_search: Refused wrong type for "guests" with a clear error
  • ✓stay_detail: Refused missing required input "stay_id" with a clear error
  • ✓stay_detail: Refused wrong type for "stay_id" with a clear error
  • ✓stay_booking_link: Refused missing required input "stay_id" with a clear error
  • ✓stay_booking_link: Refused wrong type for "stay_id" with a clear error
  pass
• ✓
  Tools work together

  2 chains working

  • ✓stay_search → stay_detail: stay_detail found what stay_search returned (stay_id = "licensed:4181000-AGCV041810002019000304")
  • ✓stay_search → stay_booking_link: stay_booking_link found what stay_search returned (stay_id = "licensed:4181000-AGCV041810002019000304")
  pass
• ✓
  No secrets leakedChecked 9 error messages: no secrets or internal details
  pass
• ✓
  Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
  pass

Test it yourself

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Score over time

• 28 Oct 202693

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use korea-stay, signed in with GitHub, one per person. Reviews never change the score.