Domain Mail Check · mailcheck · 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] mailcheck: Tool “get_feedback_reply” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-999d-7eb7-94bc-96ee4a863249https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-999d-7eb7-94bc-96ee4a863249Tool “get_feedback_reply” rewrote its description, which is the text the model reads. Compared against 2026-10-15.Fri, 16 Oct 2026 02:00:37 GMTsecurityneutraltool.description_changed[SECURITY] mailcheck: Tool “submit_feedback” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-99a6-7697-a5cd-3ca7aa3ccaabhttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-99a6-7697-a5cd-3ca7aa3ccaabTool “submit_feedback” rewrote its description, which is the text the model reads. Compared against 2026-10-15.Fri, 16 Oct 2026 02:00:37 GMTsecurityneutraltool.description_changed[SECURITY] mailcheck: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-99fb-7bca-9b7b-6321ad58d95ehttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a14270-99fb-7bca-9b7b-6321ad58d95eThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-15.Fri, 16 Oct 2026 02:00:37 GMTsecurityneutralserver.instructions_changed[SECURITY] mailcheck: Tool “check_email_auth” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-62c4-75d2-8069-929088f8c8e6https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-62c4-75d2-8069-929088f8c8e6Tool “check_email_auth” rewrote its description, which is the text the model reads. Compared against 2026-10-14.Thu, 15 Oct 2026 02:00:47 GMTsecurityneutraltool.description_changed[SECURITY] mailcheck: Tool “delivery_check” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-62c7-722a-96f2-f78436230ca0https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-62c7-722a-96f2-f78436230ca0Tool “delivery_check” rewrote its description, which is the text the model reads. Compared against 2026-10-14.Thu, 15 Oct 2026 02:00:47 GMTsecurityneutraltool.description_changed[SECURITY] mailcheck: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-6310-749b-b55b-bba739352bfahttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a13d4a-6310-749b-b55b-bba739352bfaThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-14.Thu, 15 Oct 2026 02:00:47 GMTsecurityneutralserver.instructions_changed[SECURITY] mailcheck: DNSSEC (fail → pass)https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a132fd-9d45-7bf0-ba0f-20afa2281116https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a132fd-9d45-7bf0-ba0f-20afa2281116DNSSEC (fail → pass). Compared against 2026-10-12.Tue, 13 Oct 2026 02:00:44 GMTsecurityimprovementcheck.verdict[SECURITY] mailcheck: Stability (0.23 → fail)https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d528-78b0-8158-f9eaef23c295https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d528-78b0-8158-f9eaef23c295Stability (0.23 → fail). Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityregressioncheck.verdict[SECURITY] mailcheck: HTTPS (unverified → pass)https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d529-76b4-b932-6de900415616https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d529-76b4-b932-6de900415616HTTPS (unverified → pass). Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityimprovementcheck.reverified[SECURITY] mailcheck: Tool “index_tools” was removedhttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52b-7a2f-86db-1639e24dd75dhttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52b-7a2f-86db-1639e24dd75dTool “index_tools” was removed. Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityregressiontool.removed[SECURITY] mailcheck: Tool “submit_feedback” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52b-7f0e-bf3a-809d9f8a209ehttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52b-7f0e-bf3a-809d9f8a209eTool “submit_feedback” rewrote its description, which is the text the model reads. Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityneutraltool.description_changed[SECURITY] mailcheck: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52d-73f6-9708-2ade61e2ebd9https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52d-73f6-9708-2ade61e2ebd9The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityneutralserver.instructions_changed[SECURITY] mailcheck: A breaking change shipped without a version bump (still 1.2.0)https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52d-79f9-acc4-cacc29a08f4bhttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a12d49-d52d-79f9-acc4-cacc29a08f4bA breaking change shipped without a version bump (still 1.2.0). Compared against 2026-10-10.Sun, 11 Oct 2026 23:26:15 GMTsecurityregressionserver.breaking_without_version_bump[SECURITY] mailcheck: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a11775-5b80-73c3-be23-d5279368b24ahttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a11775-5b80-73c3-be23-d5279368b24aThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-06.Wed, 07 Oct 2026 17:42:04 GMTsecurityneutralserver.instructions_changed[SECURITY] mailcheck: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a11314-09b2-7d2c-aa3a-161a687229dbhttps://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a11314-09b2-7d2c-aa3a-161a687229dbThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-05.Tue, 06 Oct 2026 21:17:15 GMTsecurityneutralserver.instructions_changed[SECURITY] mailcheck: HSTS header (fail → pass)https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a10a59-2cb7-76e8-b06e-8470b3f2b828https://verifymcp.io/servers/app-openkrill-mailcheck/mailcheck#chg-chg_01a10a59-2cb7-76e8-b06e-8470b3f2b828HSTS header (fail → pass). Compared against 2026-10-04.Mon, 05 Oct 2026 04:36:11 GMTsecurityimprovementcheck.verdict