Courier · mcp · changes | VerifyMCPRecorded changes to this MCP component: tools, parameters, capabilities, advisories and trust-score checks. Security-relevant changes by default; append ?materiality=all for everything.https://verifymcp.io[SECURITY] mcp: Tool “put_journey_template_locale” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9686-74c3-b944-8782c42e9ebahttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9686-74c3-b944-8782c42e9ebaTool “put_journey_template_locale” rewrote its description, which is the text the model reads. Compared against 2026-09-22.Wed, 23 Sep 2026 07:08:55 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “replace_preference_topic” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9687-7b88-bd8f-f3f2774d5d76https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9687-7b88-bd8f-f3f2774d5d76Tool “replace_preference_topic” rewrote its description, which is the text the model reads. Compared against 2026-09-22.Wed, 23 Sep 2026 07:08:55 GMTsecurityneutraltool.description_changed[SECURITY] mcp: New tool “cancel_broadcast_schedule”, which the server declares destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9688-7d62-a262-10abd8fca725https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9688-7d62-a262-10abd8fca725New tool “cancel_broadcast_schedule”, which the server declares destructive. Compared against 2026-09-22.Wed, 23 Sep 2026 07:08:55 GMTsecurityneutraltool.added[SECURITY] mcp: New tool “delete_broadcast”, which the server declares destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9689-7840-8173-bec51a43260dhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0cd18-9689-7840-8173-bec51a43260dNew tool “delete_broadcast”, which the server declares destructive. Compared against 2026-09-22.Wed, 23 Sep 2026 07:08:55 GMTsecurityneutraltool.added[SECURITY] mcp: Tool “create_journey_template” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b6b-7524-8646-c2cb8cddf1fchttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b6b-7524-8646-c2cb8cddf1fcTool “create_journey_template” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “create_notification” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b6d-7160-a6a8-87b2751b9bc7https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b6d-7160-a6a8-87b2751b9bc7Tool “create_notification” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “put_notification_content” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b74-7d93-81c4-ec68a6cd3f49https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b74-7d93-81c4-ec68a6cd3f49Tool “put_notification_content” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “put_notification_element” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b77-71c3-a5fd-1f18842297ebhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b77-71c3-a5fd-1f18842297ebTool “put_notification_element” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “put_notification_locale” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b78-77fc-8c2f-978a7b071e6fhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b78-77fc-8c2f-978a7b071e6fTool “put_notification_locale” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “replace_notification” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b7a-7234-95fe-bf2660ba7f2ehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a90a-4b7a-7234-95fe-bf2660ba7f2eTool “replace_notification” rewrote its description, which is the text the model reads. Compared against 2026-09-15.Wed, 16 Sep 2026 07:06:59 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Injection markers (pass → fail)https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a3e3-5009-75b9-afb1-7d03c0bd0643https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a0a3e3-5009-75b9-afb1-7d03c0bd0643Injection markers (pass → fail). Compared against 2026-09-14.Tue, 15 Sep 2026 07:06:17 GMTsecurityregressioncheck.verdict[SECURITY] mcp: Stability (pass → fail)https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-697d-7b73-b2e4-8c8582af3a74https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-697d-7b73-b2e4-8c8582af3a74Stability (pass → fail). Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityregressioncheck.verdict[SECURITY] mcp: Tool “bulk_subscribe_to_list” is now declared destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-701d-b139-5ab2e21c5020https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-701d-b139-5ab2e21c5020Tool “bulk_subscribe_to_list” is now declared destructive. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.destructive_set[SECURITY] mcp: Tool “create_journey” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-777d-bafe-5b1c867af554https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-777d-bafe-5b1c867af554Tool “create_journey” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “create_journey_template” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-7e4b-a528-e56929bf04b3https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6980-7e4b-a528-e56929bf04b3Tool “create_journey_template” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “create_notification” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6981-76f1-a79a-789a1ac7f9bdhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6981-76f1-a79a-789a1ac7f9bdTool “create_notification” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “invoke_automation_template” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6982-7495-b4be-833dea2fbf23https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6982-7495-b4be-833dea2fbf23Tool “invoke_automation_template” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “invoke_journey” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6982-797e-8480-898c47740a04https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6982-797e-8480-898c47740a04Tool “invoke_journey” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “list_automations” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6983-7551-81e9-c61ead1e8959https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6983-7551-81e9-c61ead1e8959Tool “list_automations” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “list_journeys” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6984-7013-854a-3781b96f0a3dhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6984-7013-854a-3781b96f0a3dTool “list_journeys” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “replace_journey” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6984-76f1-bb32-d9ef6d735e60https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6984-76f1-bb32-d9ef6d735e60Tool “replace_journey” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “send_message” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6988-76d9-97e3-2ddd21d14be4https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6988-76d9-97e3-2ddd21d14be4Tool “send_message” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “send_message_template” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6988-7cdc-8f8e-81bbb8c5635fhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6988-7cdc-8f8e-81bbb8c5635fTool “send_message_template” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “send_message_to_list” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-727e-90b9-da539fc97036https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-727e-90b9-da539fc97036Tool “send_message_to_list” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “update_provider” is now declared destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-7ada-9def-47e97915cb72https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-7ada-9def-47e97915cb72Tool “update_provider” is now declared destructive. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.destructive_set[SECURITY] mcp: Tool “update_translation” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-7ee7-bd20-d43f1e3f180ehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-6989-7ee7-bd20-d43f1e3f180eTool “update_translation” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityneutraltool.description_changed[SECURITY] mcp: A breaking change shipped without a version bump (still 1.3.7)https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-698a-7390-8d79-14f686b2508fhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a06b3c-698a-7390-8d79-14f686b2508fA breaking change shipped without a version bump (still 1.3.7). Compared against 2026-09-03.Fri, 04 Sep 2026 07:05:16 GMTsecurityregressionserver.breaking_without_version_bump[SECURITY] mcp: Stability (0.97 → pass)https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a037bc-bc4f-71f5-a901-5f07eda839a4https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a037bc-bc4f-71f5-a901-5f07eda839a4Stability (0.97 → pass). Compared against 2026-08-24.Tue, 25 Aug 2026 07:05:10 GMTsecurityneutralcheck.verdict[SECURITY] mcp: Tool “create_journey” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c92-7242-a71a-a7cc0c1cb17dhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c92-7242-a71a-a7cc0c1cb17dTool “create_journey” rewrote its description, which is the text the model reads. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “create_journey_template” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c94-71b2-8eb2-87fc752613d2https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c94-71b2-8eb2-87fc752613d2Tool “create_journey_template” rewrote its description, which is the text the model reads. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “put_journey_template_content” is now declared destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c94-7c14-b215-1d33ca042705https://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c94-7c14-b215-1d33ca042705Tool “put_journey_template_content” is now declared destructive. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.destructive_set[SECURITY] mcp: Tool “put_journey_template_content” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c95-735e-a6bd-cb6408d40ebchttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c95-735e-a6bd-cb6408d40ebcTool “put_journey_template_content” rewrote its description, which is the text the model reads. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.description_changed[SECURITY] mcp: Tool “replace_journey” is now declared destructivehttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c95-7d6f-b80d-8224ab36990bhttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c95-7d6f-b80d-8224ab36990bTool “replace_journey” is now declared destructive. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.destructive_set[SECURITY] mcp: Tool “replace_journey” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c96-7319-b40a-bd39498884cahttps://verifymcp.io/servers/trycourier-courier/mcp#chg-chg_01a01dfe-3c96-7319-b40a-bd39498884caTool “replace_journey” rewrote its description, which is the text the model reads. Compared against 2026-08-19.Thu, 20 Aug 2026 07:06:35 GMTsecurityneutraltool.description_changed