cloo.be: ofertas da Shopee e do Mercado Livre

Is cloo.be: ofertas da Shopee e do Mercado Livre MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• All 5 of its tools are labeled read-only.
• Overall it scored 84/100 on 31 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

5 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
• !
  Every tool is described

  2 warnings

  • !buscar_ofertas: Inputs with no description: ordem
  • !ofertas_da_categoria: Inputs with no description: categoria, ordem
  note
• !
  Bad inputs give a clean error

  1 warning

  • !ofertas_em_alta: Accepted wrong type for "por_tema" without complaining
  • and 8 more
  note
• !
  Follows MCP best practices (not scored yet)

  1 tip (not scored)

  • !Very common tool names: search, fetch. Next to other servers' tools the AI may mix them up; a short prefix helps (like "github_search" instead of "search").
  note
• ✓
  ConnectsConnected in 305 ms
  pass
• ✓
  Lists its toolsFound 5 tools
  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

  • ✓search: Worked (709 ms)
  • ✓fetch: Answered with an error, probably because of our sample input: Id inválido: use o número da oferta ou a URL https://cloo.be/ofertas/…
  • ✓buscar_ofertas: Worked (112 ms)
  • ✓ofertas_em_alta: Worked (273 ms)
  • ✓ofertas_da_categoria: Worked (115 ms)
  pass
• ✓
  Tools work together

  4 chains working

  • ✓search → fetch: fetch found what search returned (id = "55701069090")
  • ✓buscar_ofertas → fetch: fetch found what buscar_ofertas returned (id = "55701069090")
  • ✓ofertas_em_alta → fetch: fetch found what ofertas_em_alta returned (id = "19597788117")
  • ✓ofertas_da_categoria → fetch: fetch found what ofertas_da_categoria returned (id = "23994232534")
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 305 ms
  • ✓Listing tools took 18 ms
  • ✓Average tool answer: 245 ms
  • ✓search: Slowest tool: search (709 ms)
  pass
• ✓
  No secrets leakedChecked 13 error messages: no secrets or internal details
  pass

Test it yourself

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Score over time

• 31 Oct 202684

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use cloo.be: ofertas da Shopee e do Mercado Livre, signed in with GitHub, one per person. Reviews never change the score.