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ARC (arcreport.ai): can an agent reach checkout?

ai.arcreport/ask

by ai.arcreport· v2026.10.14Source: Official MCP Registry

Change history

Every change Squatch detected in tools, permissions, endpoints, versions and disclosures. History is append-only: entries are never edited or removed.

Nov 14, 2026

  1. Tool addedSeverity: High

    why_blocked_and_fix

    New tool with effect WRITE.

    Detected

  2. Tool addedSeverity: High

    store_record

    New tool with effect WRITE.

    Detected

  3. Tool addedSeverity: High

    report_outcome

    New tool with effect WRITE and capabilities PAYMENT.

    Detected

  4. Tool addedSeverity: Medium

    generate_fixes

    New tool with effect READ.

    Detected

  5. Tool addedSeverity: High

    find_stores

    New tool with effect WRITE and capabilities PAYMENT.

    Detected

  6. Tool addedSeverity: High

    compare

    New tool with effect WRITE.

    Detected

  7. Tool addedSeverity: High

    before_checkout

    New tool with effect WRITE and capabilities PAYMENT, EXTERNAL_COMMUNICATION.

    Detected

  8. Tool annotations changedSeverity: Low

    validate_ucp_profile

    Tool annotations (untrusted hints) changed.

    Detected

  9. Tool description changedSeverity: Medium

    validate_ucp_profile

    The tool title changed.

    Detected

  10. Tool annotations changedSeverity: Low

    submit_store

    Tool annotations (untrusted hints) changed.

    Detected

  11. Tool description changedSeverity: Medium

    submit_store

    The tool title changed.

    Detected

  12. Tool annotations changedSeverity: Low

    submit_leaderboard_run

    Tool annotations (untrusted hints) changed.

    Detected

  13. Tool description changedSeverity: Medium

    submit_leaderboard_run

    The tool title changed.

    Detected

  14. Tool annotations changedSeverity: Low

    store_card

    Tool annotations (untrusted hints) changed.

    Detected

  15. Tool description changedSeverity: Medium

    store_card

    The tool title changed.

    Detected

  16. Tool classification changedSeverity: Critical

    protocol_matrix

    Effect READ; capabilities added: PAYMENT; removed: none.

    Detected

  17. Tool annotations changedSeverity: Low

    protocol_matrix

    Tool annotations (untrusted hints) changed.

    Detected

  18. Tool description changedSeverity: Medium

    protocol_matrix

    The tool description changed.

    Detected

  19. Tool annotations changedSeverity: Low

    product_data_check

    Tool annotations (untrusted hints) changed.

    Detected

  20. Tool description changedSeverity: Medium

    product_data_check

    The tool title changed.

    Detected

  21. Tool annotations changedSeverity: Low

    precheck_bulk

    Tool annotations (untrusted hints) changed.

    Detected

  22. Tool description changedSeverity: Medium

    precheck_bulk

    The tool title changed.

    Detected

  23. Tool annotations changedSeverity: Low

    precheck

    Tool annotations (untrusted hints) changed.

    Detected

  24. Tool description changedSeverity: Medium

    precheck

    The tool description changed.

    Detected

  25. Tool annotations changedSeverity: Critical

    list_category_agent_facts

    Annotations now declare a lower-impact behavior while the tool name and description are unchanged.

    Detected

  26. Tool description changedSeverity: Medium

    list_category_agent_facts

    The tool title changed.

    Detected

  27. Tool annotations changedSeverity: Critical

    google_checkout_readiness

    Annotations now declare a lower-impact behavior while the tool name and description are unchanged.

    Detected

  28. Tool description changedSeverity: Medium

    google_checkout_readiness

    The tool title changed.

    Detected

  29. Tool annotations changedSeverity: Low

    get_benchmark

    Tool annotations (untrusted hints) changed.

    Detected

  30. Tool description changedSeverity: Medium

    get_benchmark

    The tool description changed.

    Detected

  31. Tool annotations changedSeverity: Critical

    get_agent_facts

    Annotations now declare a lower-impact behavior while the tool name and description are unchanged.

    Detected

  32. Tool description changedSeverity: Medium

    get_agent_facts

    The tool title changed.

    Detected

  33. Tool annotations changedSeverity: Low

    find_agent_ready_stores

    Tool annotations (untrusted hints) changed.

    Detected

  34. Tool input schema changedSeverity: Medium

    find_agent_ready_stores

    Parameters added: 1; removed: 0.

    Detected

  35. Tool description changedSeverity: Medium

    find_agent_ready_stores

    The tool description changed.

    Detected

  36. Tool annotations changedSeverity: Low

    dataset_info

    Tool annotations (untrusted hints) changed.

    Detected

  37. Tool description changedSeverity: Medium

    dataset_info

    The tool title changed.

    Detected

  38. Tool annotations changedSeverity: Low

    can_agent_checkout

    Tool annotations (untrusted hints) changed.

    Detected

  39. Tool description changedSeverity: Medium

    can_agent_checkout

    The tool title changed.

    Detected

  40. Tool annotations changedSeverity: Critical

    ask_arc

    Annotations now declare a lower-impact behavior while the tool name and description are unchanged.

    Detected

  41. Tool description changedSeverity: Medium

    ask_arc

    The tool title changed.

    Detected

  42. Tool annotations changedSeverity: Low

    agent_leaderboard

    Tool annotations (untrusted hints) changed.

    Detected

  43. Tool description changedSeverity: Medium

    agent_leaderboard

    The tool title changed.

    Detected

  44. Tool annotations changedSeverity: Low

    agent_commerce_adoption

    Tool annotations (untrusted hints) changed.

    Detected

  45. Tool description changedSeverity: Medium

    agent_commerce_adoption

    The tool title changed.

    Detected

Nov 5, 2026

  1. Tool addedSeverity: Medium

    precheck_bulk

    New tool with effect READ.

    Detected

  2. Tool addedSeverity: Medium

    get_benchmark

    New tool with effect READ and capabilities PAYMENT.

    Detected

  3. Tool description changedSeverity: Medium

    precheck

    The tool description changed.

    Detected

  4. Tool description changedSeverity: Medium

    find_agent_ready_stores

    The tool description changed.

    Detected

  5. Tool description changedSeverity: Medium

    can_agent_checkout

    The tool description changed.

    Detected