<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Kairos Signal — verifiable DePIN data API · kairossignal · changes | VerifyMCP</title><description>Recorded changes to this MCP component: tools, parameters, capabilities, advisories and trust-score checks. Security-relevant changes by default; append ?materiality=all for everything.</description><link>https://verifymcp.io</link><atom:link href="https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0e10e-4486-7ee4-8c30-65331d5c7af9</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0e10e-4486-7ee4-8c30-65331d5c7af9</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-26.</description><pubDate>Sun, 27 Sep 2026 04:10:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0e10e-4488-75b2-b79d-a16350cb24ea</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0e10e-4488-75b2-b79d-a16350cb24ea</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-26.</description><pubDate>Sun, 27 Sep 2026 04:10:03 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0dc51-30b8-71e3-9a0d-08e15be4de5f</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0dc51-30b8-71e3-9a0d-08e15be4de5f</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-25.</description><pubDate>Sat, 26 Sep 2026 06:05:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0dc51-30b9-7347-8324-d787b8baa75a</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0dc51-30b9-7347-8324-d787b8baa75a</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-25.</description><pubDate>Sat, 26 Sep 2026 06:05:03 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0d205-2540-7825-9092-91d233fee2f2</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0d205-2540-7825-9092-91d233fee2f2</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-23.</description><pubDate>Thu, 24 Sep 2026 06:05:46 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0ccde-1c6e-7668-9161-e07140d22f6f</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0ccde-1c6e-7668-9161-e07140d22f6f</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 06:05:03 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c7b8-321e-7269-84b4-4271512735b3</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c7b8-321e-7269-84b4-4271512735b3</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-21.</description><pubDate>Tue, 22 Sep 2026 06:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: HTTPS (fail → pass)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebc-7cb5-9cc1-51379bd0be12</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebc-7cb5-9cc1-51379bd0be12</guid><description>HTTPS (fail → pass). Compared against 2026-09-20.</description><pubDate>Mon, 21 Sep 2026 06:05:55 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebe-7b25-8621-5af83387a516</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebe-7b25-8621-5af83387a516</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-20.</description><pubDate>Mon, 21 Sep 2026 06:05:55 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebf-723d-8e1b-f452b0abb64d</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0c292-2ebf-723d-8e1b-f452b0abb64d</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-20.</description><pubDate>Mon, 21 Sep 2026 06:05:55 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0bd6c-26bb-7557-8c35-12e187357e1e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0bd6c-26bb-7557-8c35-12e187357e1e</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 06:06:16 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0b846-567b-74c6-8acb-f9517aa57482</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0b846-567b-74c6-8acb-f9517aa57482</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-18.</description><pubDate>Sat, 19 Sep 2026 06:06:52 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0b31f-d6f3-7e4e-930b-c38057f4c6d8</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0b31f-d6f3-7e4e-930b-c38057f4c6d8</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 06:06:43 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0adf9-cc7a-72c6-8d2b-2e082b587f9f</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0adf9-cc7a-72c6-8d2b-2e082b587f9f</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-16.</description><pubDate>Thu, 17 Sep 2026 06:07:04 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0a3ad-7c14-7bcc-81dd-3c1197ee5dc4</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0a3ad-7c14-7bcc-81dd-3c1197ee5dc4</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-14.</description><pubDate>Tue, 15 Sep 2026 06:07:30 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-684f-78da-913c-fa64caf7aceb</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-684f-78da-913c-fa64caf7aceb</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Mon, 14 Sep 2026 06:06:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “topup_credits” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-6850-749a-bc4a-5a4ec3d117a6</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-6850-749a-bc4a-5a4ec3d117a6</guid><description>Tool “topup_credits” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Mon, 14 Sep 2026 06:06:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-6851-71d0-9ee7-42ae8ebb840c</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09e86-6851-71d0-9ee7-42ae8ebb840c</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-13.</description><pubDate>Mon, 14 Sep 2026 06:06:43 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “list_products” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09cc8-f115-7a29-84a8-2a4b916e6e19</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09cc8-f115-7a29-84a8-2a4b916e6e19</guid><description>Tool “list_products” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Sun, 13 Sep 2026 22:00:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “purchase_data” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09cc8-f117-72a9-89d2-09644822142d</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09cc8-f117-72a9-89d2-09644822142d</guid><description>Tool “purchase_data” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Sun, 13 Sep 2026 22:00:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b8-7293-86a5-5c34655c6cf5</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b8-7293-86a5-5c34655c6cf5</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-12.</description><pubDate>Sun, 13 Sep 2026 06:06:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “topup_credits” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b8-7b61-80d0-3e022fec6b81</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b8-7b61-80d0-3e022fec6b81</guid><description>Tool “topup_credits” rewrote its description, which is the text the model reads. Compared against 2026-09-12.</description><pubDate>Sun, 13 Sep 2026 06:06:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b9-733b-9997-28026d16604e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b9-733b-9997-28026d16604e</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-12.</description><pubDate>Sun, 13 Sep 2026 06:06:22 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09439-f11b-71dc-9319-8cc1f58fe73e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09439-f11b-71dc-9319-8cc1f58fe73e</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-11.</description><pubDate>Sat, 12 Sep 2026 06:06:59 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “get_zk_provenance” was removed</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9c-7760-a4d7-9039c7c350cd</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9c-7760-a4d7-9039c7c350cd</guid><description>Tool “get_zk_provenance” was removed. Compared against 2026-09-11.</description><pubDate>Fri, 11 Sep 2026 14:02:22 GMT</pubDate><category>security</category><category>regression</category><category>tool.removed</category></item><item><title>[SECURITY] kairossignal: A breaking change shipped without a version bump (still 1.0.0)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9d-7b8c-9da9-75c35b0e4772</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9d-7b8c-9da9-75c35b0e4772</guid><description>A breaking change shipped without a version bump (still 1.0.0). Compared against 2026-09-11.</description><pubDate>Fri, 11 Sep 2026 14:02:22 GMT</pubDate><category>security</category><category>regression</category><category>server.breaking_without_version_bump</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a08f13-c00b-71ee-beec-61f72dda22d9</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a08f13-c00b-71ee-beec-61f72dda22d9</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-10.</description><pubDate>Fri, 11 Sep 2026 06:07:11 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a089ed-b12a-7f29-adc5-002e69aca78a</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a089ed-b12a-7f29-adc5-002e69aca78a</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-09.</description><pubDate>Thu, 10 Sep 2026 06:07:30 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bb-79f5-b840-97ff0affefb6</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bb-79f5-b840-97ff0affefb6</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-09-08.</description><pubDate>Wed, 09 Sep 2026 06:08:04 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bd-7c06-8996-f13ad44242fa</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bd-7c06-8996-f13ad44242fa</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-08.</description><pubDate>Wed, 09 Sep 2026 06:08:04 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Tool “fetch_dataset” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3553-72ec-bbae-c50302183149</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3553-72ec-bbae-c50302183149</guid><description>Tool “fetch_dataset” rewrote its description, which is the text the model reads. Compared against 2026-09-05.</description><pubDate>Sun, 06 Sep 2026 06:08:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “topup_credits” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3554-7579-ae8c-96b9979d1415</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3554-7579-ae8c-96b9979d1415</guid><description>Tool “topup_credits” rewrote its description, which is the text the model reads. Compared against 2026-09-05.</description><pubDate>Sun, 06 Sep 2026 06:08:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “verify_footprint” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3555-7617-8293-08d2ae2856df</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3555-7617-8293-08d2ae2856df</guid><description>Tool “verify_footprint” rewrote its description, which is the text the model reads. Compared against 2026-09-05.</description><pubDate>Sun, 06 Sep 2026 06:08:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: A breaking change shipped without a version bump (still 1.0.0)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3557-7d84-a4fc-d0cef550b91c</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3557-7d84-a4fc-d0cef550b91c</guid><description>A breaking change shipped without a version bump (still 1.0.0). Compared against 2026-09-05.</description><pubDate>Sun, 06 Sep 2026 06:08:33 GMT</pubDate><category>security</category><category>regression</category><category>server.breaking_without_version_bump</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0461f-6961-7c3e-97a0-ead9269a2cd7</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0461f-6961-7c3e-97a0-ead9269a2cd7</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-08-28.</description><pubDate>Fri, 28 Aug 2026 02:07:38 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a045e7-4cc2-7e48-ab11-d037b8fefd44</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a045e7-4cc2-7e48-ab11-d037b8fefd44</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-27.</description><pubDate>Fri, 28 Aug 2026 01:06:21 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] kairossignal: Stability (0.27 → fail)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1b-7792-a434-8d4c3170540b</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1b-7792-a434-8d4c3170540b</guid><description>Stability (0.27 → fail). Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] kairossignal: Tool “get_zk_provenance” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1d-776f-bf43-b328e6fe51f5</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1d-776f-bf43-b328e6fe51f5</guid><description>Tool “get_zk_provenance” rewrote its description, which is the text the model reads. Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “list_datasets” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-77d8-9eb6-1c8afb6db1f2</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-77d8-9eb6-1c8afb6db1f2</guid><description>Tool “list_datasets” rewrote its description, which is the text the model reads. Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “list_products” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-7c94-9874-9fee81c8698e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-7c94-9874-9fee81c8698e</guid><description>Tool “list_products” rewrote its description, which is the text the model reads. Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “purchase_data” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1f-77ee-b3f6-6387abd4dd1d</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1f-77ee-b3f6-6387abd4dd1d</guid><description>Tool “purchase_data” rewrote its description, which is the text the model reads. Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: Tool “register_agent” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-77cf-a719-5528718b9c32</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-77cf-a719-5528718b9c32</guid><description>Tool “register_agent” rewrote its description, which is the text the model reads. Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] kairossignal: A breaking change shipped without a version bump (still 1.0.0)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-7e49-a3d2-1fb4c7255209</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-7e49-a3d2-1fb4c7255209</guid><description>A breaking change shipped without a version bump (still 1.0.0). Compared against 2026-08-08.</description><pubDate>Sun, 09 Aug 2026 06:06:53 GMT</pubDate><category>security</category><category>regression</category><category>server.breaking_without_version_bump</category></item><item><title>[SECURITY] kairossignal: HTTPS (unverified → fail)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb7-78f7-a215-e19c5788945b</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb7-78f7-a215-e19c5788945b</guid><description>HTTPS (unverified → fail). Compared against 2026-07-30.</description><pubDate>Fri, 31 Jul 2026 04:23:39 GMT</pubDate><category>security</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] kairossignal: Transport (fail → pass)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb8-7621-9795-36f86ed0cd4d</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb8-7621-9795-36f86ed0cd4d</guid><description>Transport (fail → pass). Compared against 2026-07-30.</description><pubDate>Fri, 31 Jul 2026 04:23:39 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] kairossignal: Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)</title><link>https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb9-71c6-a3ef-b91d3d1f1306</link><guid isPermaLink="true">https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb9-71c6-a3ef-b91d3d1f1306</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.). Compared against 2026-07-30.</description><pubDate>Fri, 31 Jul 2026 04:23:39 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item></channel></rss>