chucho — Book Direct

Is chucho — Book Direct MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• 7 of its 13 tools are labeled read-only; the others may change or send things.
• Overall it scored 80/100 on 23 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

13 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 (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
  note
• !
  Every tool is described

  13 warnings

  • !get_stay_estimate: Inputs with no description: id, windowStart, windowEnd, nights, guests, currency
  • !get_stay_quote: Inputs with no description: id, arrival, departure, guests, currency
  • !get_booking_link: Inputs with no description: id, locale
  • !get_filters: Inputs with no description: locale, page
  • !search_properties: Inputs with no description: locale, arrival, departure, currency, country, region, city, minBedrooms, minBathrooms, pool, page
  • !get_property: Inputs with no description: id, locale
  • !get_enquiry_form: Inputs with no description: id, locale
  • !prepare_enquiry: Inputs with no description: revision, locale, answers, idempotencyKey, id
  • and 5 more
  note
• !
  Tools work with good inputs

  1 warning

  • !get_filters: Answered with about 762 KB of text. Many AI apps cut off tool answers this big, so the AI may never see the end of it.
  • –get_stay_estimate: Not run: labeled as changing data
  • –get_stay_quote: Not run: labeled as changing data
  • –search_properties: Not run: labeled as changing data
  • –prepare_enquiry: Not run: labeled as changing data
  • –submit_enquiry: Not run: labeled as changing data
  • –record_property_event: Not run: labeled as changing data
  • and 6 more
  note
• !
  Resources and prompts work

  1 warning (1 resource)

  • !1 of 1 resources have no description, so people can't tell what they contain.
  • and 2 more
  note
• ✓
  ConnectsConnected in 1.1 s
  pass
• ✓
  Lists its toolsFound 13 tools
  pass
• ✓
  Tools are labeled safe or dangerousEvery tool has a safety label
  pass
• ✓
  No hidden instructionsNo hidden instructions found in tool descriptions
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓get_booking_link: Refused missing required input "id" with a clear error
  • ✓get_booking_link: Refused wrong type for "id" with a clear error
  • ✓get_filters: Refused wrong type for "kind" with a clear error
  • ✓get_property: Refused missing required input "id" with a clear error
  • ✓get_property: Refused wrong type for "id" with a clear error
  • ✓get_enquiry_form: Refused missing required input "id" with a clear error
  • ✓get_enquiry_form: Refused wrong type for "id" with a clear error
  • ✓render_properties: Refused missing required input "ids" with a clear error
  • and 4 more
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 1.1 s
  • ✓Listing tools took 277 ms
  • ✓Average tool answer: 229 ms
  • ✓get_filters: Slowest tool: get_filters (560 ms)
  pass
• ✓
  No secrets leakedChecked 17 error messages: no secrets or internal details
  pass
• –
  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.

Score over time

• 23 Oct 202680

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use chucho — Book Direct, signed in with GitHub, one per person. Reviews never change the score.