<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Zacatrus · zacatrus · 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/es-zacatrus-zacatrus/zacatrus.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] zacatrus: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a14270-e11e-7603-a3c6-0363b13ca541</link><guid isPermaLink="true">https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a14270-e11e-7603-a3c6-0363b13ca541</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 02:00:55 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[CRITICAL] zacatrus: Authorization (partial → fail)</title><link>https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b2-71c5-b0cb-cf09e1e51f1f</link><guid isPermaLink="true">https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b2-71c5-b0cb-cf09e1e51f1f</guid><description>Authorization (partial → fail). Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 02:00:29 GMT</pubDate><category>critical</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] zacatrus: New tool “cancel_booking”, which the server declares destructive</title><link>https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b3-7f24-8596-2892f090bb04</link><guid isPermaLink="true">https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b3-7f24-8596-2892f090bb04</guid><description>New tool “cancel_booking”, which the server declares destructive. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 02:00:29 GMT</pubDate><category>security</category><category>neutral</category><category>tool.added</category></item><item><title>[SECURITY] zacatrus: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b9-7b69-bd65-efb3ddbcaf65</link><guid isPermaLink="true">https://verifymcp.io/servers/es-zacatrus-zacatrus/zacatrus#chg-chg_01a132fd-64b9-7b69-bd65-efb3ddbcaf65</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 02:00:29 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>