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Checkmk connector

Back to the connector overview, authentication methods, and actions.
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5 Oct 2026
new-eventsAdded 20 webhook events for host and service state changes, acknowledgements, flapping and downtimes, delivered by a StackOne notification script, plus a webhook setup guide.
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17 Sept 2026
data-syncAdded DataSync support to 11 list actions (hosts, folders, users, groups, downtimes, rulesets, notification rules, and monitored hosts/services) so their collections can be periodically synced.
checkmk_list_all_services, checkmk_list_contact_groups, checkmk_list_downtimes, checkmk_list_folders, checkmk_list_host_groups, checkmk_list_hosts, checkmk_list_monitored_hosts, checkmk_list_notification_rules, checkmk_list_rulesets, checkmk_list_service_groups, checkmk_list_users
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3 Aug 2026
description-fixImproved rule action guidance — documented the host_name condition shape, clarified that numeric rule thresholds must be integers, and noted that rule IDs for moving a rule come from listing rules first.
checkmk_create_rule, checkmk_move_rule, checkmk_update_rule
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29 Jul 2026
bug-fix description-fixFixed comment and downtime by-query 400s (target fields now mutually exclusive per type), removed the crash-prone refresh/tabula_rasa discovery modes, and constrained the notification-rule plugin option to a validated enum.