CRM Connector

Is CRM Connector MCP server safe?

• No hidden instructions were found in its tool descriptions.
• Its error messages showed no secrets or internal details.
• 24 of its 40 tools are labeled read-only; the others may change or send things.
• Overall it scored 93/100 on 29 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

40 tools, in the server's own words.

and 16 more

Test results

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

• !
  Every tool is described

  15 warnings

  • !propose_note and propose_unlink have nearly the same description (80% of their words are shared; the only difference: "note", "write", "timeline" vs "remove", "between", "two"), so an AI may not know which to pick
  • !propose_note and propose_link have nearly the same description (75% of their words are shared; the only difference: "write", "timeline" vs "two", "such", "contact"), so an AI may not know which to pick
  • !propose_note and propose_task have nearly the same description (74% of their words are shared; the only difference: "note", "write", "timeline" vs "task", "follow", "such"), so an AI may not know which to pick
  • !propose_link and propose_unlink have nearly the same description (73% of their words are shared; the only difference: "such", "contact", "deal" vs "remove", "between", "removing"), so an AI may not know which to pick
  • !propose_stage_move and propose_note have nearly the same description (70% of their words are shared; the only difference: "move", "stage", "another" vs "note", "write", "timeline"), so an AI may not know which to pick
  • !propose_stage_move and propose_task have nearly the same description (69% of their words are shared; the only difference: "move", "stage", "another" vs "task", "follow", "next"), so an AI may not know which to pick
  • !propose_task and propose_unlink have nearly the same description (68% of their words are shared; the only difference: "task", "follow", "such" vs "remove", "between", "two"), so an AI may not know which to pick
  • !propose_task and propose_link have nearly the same description (68% of their words are shared; the only difference: "follow", "next", "week" vs "two", "contact", "deal"), so an AI may not know which to pick
  • and 7 more
  note
• !
  Follows MCP best practices (not scored yet)

  1 tip (not scored)

  • !The tool list is about 123 KB (roughly 31k tokens). AI apps send it with every message, so it takes that much of the AI's memory before any work starts.
  note
• ✓
  ConnectsConnected in 99 ms
  pass
• ✓
  Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
  pass
• ✓
  Lists its toolsFound 40 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

  • ✓plan_integration: Worked (173 ms)
  • ✓find_sync_options: Worked (35 ms)
  • ✓get_field_details: Worked (19 ms)
  • ✓how_to_connect: Worked (20 ms)
  • –list_integrations: Needs you to sign in, so it was not tested (not counted against the server)
  • –get_recent_syncs: Needs you to sign in, so it was not tested (not counted against the server)
  • –get_sync_health: Needs you to sign in, so it was not tested (not counted against the server)
  • –list_conflicts: Needs you to sign in, so it was not tested (not counted against the server)
  • and 32 more
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓plan_integration: Refused missing required input "source_system" with a clear error
  • ✓plan_integration: Refused wrong type for "source_system" with a clear error
  • ✓find_sync_options: Refused wrong type for "system" with a clear error
  • ✓get_field_details: Refused missing required input "source_system" with a clear error
  • ✓get_field_details: Refused wrong type for "source_system" with a clear error
  • ✓how_to_connect: Refused missing required input "system" with a clear error
  • ✓how_to_connect: Refused wrong type for "system" with a clear error
  • –get_recent_syncs: Needs you to sign in, so bad inputs were not tested
  • and 15 more
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 99 ms
  • ✓Listing tools took 55 ms
  • ✓Average tool answer: 53 ms
  • ✓plan_integration: Slowest tool: plan_integration (173 ms)
  pass
• ✓
  No secrets leakedChecked 55 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

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Score over time

• 29 Oct 202693

One test so far. New tests will show here.

Reviews

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