legal-lookup

Is legal-lookup MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• All 13 of its tools are labeled read-only.
• Overall it scored 91/100 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

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 (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
  note
• !
  Resources and prompts work

  1 warning ()

  • –Could not list resources: the server limited our requests (HTTP 429)
  • !Listing resource templates failed: Error POSTing to endpoint: {"jsonrpc":"2.0","id":null,"error":{"code":-32029,"message":"MCP rate limit exceeded. Try again in 22s."}}
  • –Could not list prompts: the server limited our requests (HTTP 429)
  note
• ✓
  ConnectsConnected in 1.1 s
  pass
• ✓
  Lists its toolsFound 13 tools
  pass
• ✓
  Every tool is describedAll 13 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

  • ✓notaris_dossiercheck: Worked (135 ms)
  • ✓kbo_lookup: Worked (247 ms)
  • ✓vies_validate: Worked (129 ms)
  • ✓ecli_lookup: Worked (131 ms)
  • ✓eurlex_lookup: Worked (131 ms)
  • ✓erfbelasting_tarieven: Worked (1.7 s)
  • ✓legal_lookup: Worked (132 ms)
  • ✓legal_search: Worked (133 ms)
  • and 5 more
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓notaris_dossiercheck: Refused missing required input "onderwerp" with a clear error
  • ✓notaris_dossiercheck: Refused wrong type for "onderwerp" with a clear error
  • ✓kbo_lookup: Refused missing required input "enterprise_number" with a clear error
  • ✓kbo_lookup: Refused wrong type for "enterprise_number" with a clear error
  • ✓vies_validate: Refused missing required input "vat" with a clear error
  • ✓vies_validate: Refused wrong type for "vat" with a clear error
  • ✓ecli_lookup: Refused missing required input "ecli" with a clear error
  • ✓ecli_lookup: Refused wrong type for "ecli" with a clear error
  • and 11 more
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 1.1 s
  • ✓Listing tools took 132 ms
  • ✓Average tool answer: 320 ms
  • ✓erfbelasting_tarieven: Slowest tool: erfbelasting_tarieven (1.7 s)
  pass
• ✓
  No secrets leakedChecked 31 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
• –
  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.

Show 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.

Score over time

• 28 Oct 202691

One test so far. New tests will show here.

Reviews

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