WebhookTest.net · webhooktest · 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] webhooktest: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0c159-65d8-7e7e-b140-5f281cbe7e87https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0c159-65d8-7e7e-b140-5f281cbe7e87The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-20.Mon, 21 Sep 2026 00:24:16 GMTsecurityneutralserver.instructions_changed[CRITICAL] webhooktest: Authorization (unverified → fail)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da46-74b1-97f0-962da079780dhttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da46-74b1-97f0-962da079780dAuthorization (unverified → fail). Compared against 2026-09-17.Fri, 18 Sep 2026 00:16:07 GMTcriticalregressioncheck.reverified[SECURITY] webhooktest: Transport (fail → pass)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4a-7982-976e-288b827ab23fhttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4a-7982-976e-288b827ab23fTransport (fail → pass). Compared against 2026-09-17.Fri, 18 Sep 2026 00:16:07 GMTsecurityimprovementcheck.verdict[SECURITY] webhooktest: Injection markers (unverified → pass)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4b-73e5-94aa-e48ee07d536fhttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4b-73e5-94aa-e48ee07d536fInjection markers (unverified → pass). Compared against 2026-09-17.Fri, 18 Sep 2026 00:16:07 GMTsecurityimprovementcheck.reverified[SECURITY] webhooktest: Stability (unverified → pass)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4b-7ec7-aa0a-27f9b3cce112https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0b1de-da4b-7ec7-aa0a-27f9b3cce112Stability (unverified → pass). Compared against 2026-09-17.Fri, 18 Sep 2026 00:16:07 GMTsecurityimprovementcheck.reverified[SECURITY] webhooktest: Stability (pass → unverified)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9b-740d-a753-36617d8c1712https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9b-740d-a753-36617d8c1712Stability (pass → unverified). Compared against 2026-09-16.Thu, 17 Sep 2026 00:17:16 GMTsecurityregressioncheck.unverifiable[SECURITY] webhooktest: Authorization (fail → unverified)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9d-7aee-baaf-9d67371a3f7ahttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9d-7aee-baaf-9d67371a3f7aAuthorization (fail → unverified). Compared against 2026-09-16.Thu, 17 Sep 2026 00:17:16 GMTsecurityregressioncheck.unverifiable[SECURITY] webhooktest: Transport (pass → fail)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9e-725a-b682-fe508a340f7ehttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9e-725a-b682-fe508a340f7eTransport (pass → fail). Compared against 2026-09-16.Thu, 17 Sep 2026 00:17:16 GMTsecurityregressioncheck.verdict[SECURITY] webhooktest: Tool safety (pass → unverified)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9e-7dda-9482-319fae1a5b01https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8e9e-7dda-9482-319fae1a5b01Tool safety (pass → unverified). Compared against 2026-09-16.Thu, 17 Sep 2026 00:17:16 GMTsecurityregressioncheck.unverifiable[SECURITY] webhooktest: Endpoint reachability (reachable → not serving MCP)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8ea0-7825-ab9d-06dc90a44b23https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a0acb9-8ea0-7825-ab9d-06dc90a44b23Endpoint reachability (reachable → not serving MCP). Compared against 2026-09-16.Thu, 17 Sep 2026 00:17:16 GMTsecurityregressioncapture.status_changed[SECURITY] webhooktest: Stability (0.97 → pass)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a05f75-b9eb-714d-98f7-4af0fe98fcb1https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_01a05f75-b9eb-714d-98f7-4af0fe98fcb1Stability (0.97 → pass). Compared against 2026-09-01.Wed, 02 Sep 2026 00:12:25 GMTsecurityneutralcheck.verdict[CRITICAL] webhooktest: Authorization (unverified → fail)https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_019fd985-4d3e-7a21-9c53-a26a5d3f812ehttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_019fd985-4d3e-7a21-9c53-a26a5d3f812eAuthorization (unverified → fail). Compared against 2026-08-06.Fri, 07 Aug 2026 00:00:19 GMTcriticalregressioncheck.reverified[SECURITY] webhooktest: Tool “configure_webhook_response” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_019fca12-8ea2-7cb3-bdc8-442fd00d7883https://verifymcp.io/servers/net-webhooktest-webhook-tester/webhooktest#chg-chg_019fca12-8ea2-7cb3-bdc8-442fd00d7883Tool “configure_webhook_response” rewrote its description, which is the text the model reads. Compared against 2026-08-03.Tue, 04 Aug 2026 00:00:41 GMTsecurityneutraltool.description_changed