<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>com.stayker/1stay · mcp · 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-stayker-1stay/mcp.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] mcp: Stability (pass → fail)</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15a8-7d5d-b0a2-58cac1031206</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15a8-7d5d-b0a2-58cac1031206</guid><description>Stability (pass → fail). Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] mcp: Tool “cancel_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15aa-7b64-b03f-b05d2c998b1e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15aa-7b64-b03f-b05d2c998b1e</guid><description>Tool “cancel_booking” rewrote its description, which is the text the model reads. Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_hotel_details” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ab-7114-89c8-50349125cafc</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ab-7114-89c8-50349125cafc</guid><description>Tool “get_hotel_details” rewrote its description, which is the text the model reads. Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “lookup_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-70f8-8d1b-75423371b820</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-70f8-8d1b-75423371b820</guid><description>Tool “lookup_booking” rewrote its description, which is the text the model reads. Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “search_hotels” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-7a36-88e7-673bdb2e5f2b</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-7a36-88e7-673bdb2e5f2b</guid><description>Tool “search_hotels” rewrote its description, which is the text the model reads. Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: A breaking change shipped without a version bump (still 1.0.0)</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ae-704d-9183-41c319ce6133</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ae-704d-9183-41c319ce6133</guid><description>A breaking change shipped without a version bump (still 1.0.0). Compared against 2026-09-19.</description><pubDate>Sun, 20 Sep 2026 07:06:16 GMT</pubDate><category>security</category><category>regression</category><category>server.breaking_without_version_bump</category></item><item><title>[SECURITY] mcp: Stability (fail → pass)</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0b355-e2e3-7c69-ba9c-e6b575bebcb5</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0b355-e2e3-7c69-ba9c-e6b575bebcb5</guid><description>Stability (fail → pass). Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 07:05:45 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] mcp: Authorization (fail → partial)</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21eb-7153-b54c-4b97ca4301dc</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21eb-7153-b54c-4b97ca4301dc</guid><description>Authorization (fail → partial). Compared against 2026-08-19.</description><pubDate>Thu, 20 Aug 2026 07:04:18 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] mcp: Tool “cancel_booking” no longer declares itself destructive</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21ef-7ee9-a5f9-8525f11951e5</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21ef-7ee9-a5f9-8525f11951e5</guid><description>Tool “cancel_booking” no longer declares itself destructive. Compared against 2026-08-19.</description><pubDate>Thu, 20 Aug 2026 07:04:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.destructive_cleared</category></item><item><title>[SECURITY] mcp: Tool “cancel_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f1-73a6-b614-3500d380877e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f1-73a6-b614-3500d380877e</guid><description>Tool “cancel_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-19.</description><pubDate>Thu, 20 Aug 2026 07:04:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “search_hotels” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f2-7d64-b826-ed57bd394783</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f2-7d64-b826-ed57bd394783</guid><description>Tool “search_hotels” rewrote its description, which is the text the model reads. Compared against 2026-08-19.</description><pubDate>Thu, 20 Aug 2026 07:04:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “book_hotel” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8d-73cf-8425-eb445d10eb1a</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8d-73cf-8425-eb445d10eb1a</guid><description>Tool “book_hotel” rewrote its description, which is the text the model reads. Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8e-74c6-857f-e2761043ce51</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8e-74c6-857f-e2761043ce51</guid><description>Tool “get_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_hotel_details” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8f-74ec-9e16-cae546b7a8d7</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8f-74ec-9e16-cae546b7a8d7</guid><description>Tool “get_hotel_details” rewrote its description, which is the text the model reads. Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “resend_confirmation” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a90-77a0-b756-0deecdeeca26</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a90-77a0-b756-0deecdeeca26</guid><description>Tool “resend_confirmation” rewrote its description, which is the text the model reads. Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “search_hotels” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a92-7d57-a90e-58e5b393b112</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a92-7d57-a90e-58e5b393b112</guid><description>Tool “search_hotels” rewrote its description, which is the text the model reads. Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: A breaking change shipped without a version bump (still 1.0.0)</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a94-70d8-a195-d3f54db2ee66</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a94-70d8-a195-d3f54db2ee66</guid><description>A breaking change shipped without a version bump (still 1.0.0). Compared against 2026-08-18.</description><pubDate>Wed, 19 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>regression</category><category>server.breaking_without_version_bump</category></item><item><title>[SECURITY] mcp: Tool “book_hotel” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2723-7969-9e40-e8c92190e7ad</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2723-7969-9e40-e8c92190e7ad</guid><description>Tool “book_hotel” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “cancel_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2725-77c2-902b-6efaec9e03e5</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2725-77c2-902b-6efaec9e03e5</guid><description>Tool “cancel_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2727-70b5-aca4-ec217c88d7a6</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2727-70b5-aca4-ec217c88d7a6</guid><description>Tool “get_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_hotel_details” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2728-71a9-9d58-39a74ab9d467</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2728-71a9-9d58-39a74ab9d467</guid><description>Tool “get_hotel_details” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “lookup_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272b-71bf-9bf5-9bcf45782fc6</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272b-71bf-9bf5-9bcf45782fc6</guid><description>Tool “lookup_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “resend_confirmation” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272d-7e4e-b699-b850399a9290</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272d-7e4e-b699-b850399a9290</guid><description>Tool “resend_confirmation” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “search_hotels” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2731-7eed-a7cd-fe64ae0b7d86</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2731-7eed-a7cd-fe64ae0b7d86</guid><description>Tool “search_hotels” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “search_tools” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2734-7186-9e0e-f2a3f0f88c86</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2734-7186-9e0e-f2a3f0f88c86</guid><description>Tool “search_tools” rewrote its description, which is the text the model reads. Compared against 2026-08-15.</description><pubDate>Sun, 16 Aug 2026 07:03:42 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “book_hotel” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019ff9ef-2488-7891-813d-0160a4f650da</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019ff9ef-2488-7891-813d-0160a4f650da</guid><description>Tool “book_hotel” rewrote its description, which is the text the model reads. Compared against 2026-08-12.</description><pubDate>Thu, 13 Aug 2026 07:03:47 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “cancel_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4891-783e-861e-9a5053d46bbe</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4891-783e-861e-9a5053d46bbe</guid><description>Tool “cancel_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 07:01:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “get_booking” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4892-7706-b246-7d2b724beab2</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4892-7706-b246-7d2b724beab2</guid><description>Tool “get_booking” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 07:01:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mcp: Tool “resend_confirmation” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4893-71ee-83ef-8bd40b6f5626</link><guid isPermaLink="true">https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4893-71ee-83ef-8bd40b6f5626</guid><description>Tool “resend_confirmation” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 07:01:18 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item></channel></rss>