gtinfetch – Agentic Commerce

What it can do

1 tool, 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
• ✓
  ConnectsConnected in 382 ms
  pass
• ✓
  Lists its toolsFound 1 tool
  pass
• ✓
  Every tool is describedAll 1 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 inputsAnswered with an error, probably because of our sample input: {"error":"invalid_gtin","reason":"not digits only","gtin":"test","note":"GTIN-8, -12, -13 or -14, digits only, valid check digit"}
  pass
• ✓
  Bad inputs give a clean error

  All good

  • ✓fetch_gtin: Refused missing required input "gtin" with a clear error
  • ✓fetch_gtin: Refused wrong type for "gtin" with a clear error
  pass
• ✓
  Fast enough

  All good

  • ✓Connecting took 382 ms
  • ✓Listing tools took 40 ms
  • ✓Average tool answer: 510 ms
  • ✓fetch_gtin: Slowest tool: fetch_gtin (510 ms)
  pass
• ✓
  No secrets leakedChecked 3 error messages: no secrets or internal details
  pass
• –
  Tools work togetherNo safe tool returned data to start a chain from, so chains were not tested (not counted either way)
  not tested

Test it yourself

Free and open source. Same checks, same score.

Score over time

• 14 Oct 202695
• 17 Oct 202695
• 18 Oct 202695
• 23 Oct 202695

Reviews

Coming soon: reviews from people who use gtinfetch – Agentic Commerce, signed in with GitHub, one per person. Reviews never change the score.