<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Agent Toolbox · agent-toolbox · 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/zaffy18-agent-toolbox/agent-toolbox.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] agent-toolbox: Tool “url_to_markdown” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a186f5-61dc-719f-8201-77d1c82d3c0a</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a186f5-61dc-719f-8201-77d1c82d3c0a</guid><description>Tool “url_to_markdown” rewrote its description, which is the text the model reads. Compared against 2026-10-28.</description><pubDate>Thu, 29 Oct 2026 09:19:50 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agent-toolbox: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a186f5-61dd-7ea7-aa04-4496266e3c79</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a186f5-61dd-7ea7-aa04-4496266e3c79</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-28.</description><pubDate>Thu, 29 Oct 2026 09:19:50 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[CRITICAL] agent-toolbox: Authorization (partial → fail)</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15dd-780a-b71a-df289d16191c</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15dd-780a-b71a-df289d16191c</guid><description>Authorization (partial → fail). Compared against 2026-10-25.</description><pubDate>Mon, 26 Oct 2026 09:16:19 GMT</pubDate><category>critical</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] agent-toolbox: New tool “stop_watch”, which the server declares destructive</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15e7-7de7-b06d-0eab2c6167e3</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15e7-7de7-b06d-0eab2c6167e3</guid><description>New tool “stop_watch”, which the server declares destructive. Compared against 2026-10-25.</description><pubDate>Mon, 26 Oct 2026 09:16:19 GMT</pubDate><category>security</category><category>neutral</category><category>tool.added</category></item><item><title>[SECURITY] agent-toolbox: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15ea-7675-80b1-20d992438f64</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a1777f-15ea-7675-80b1-20d992438f64</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-25.</description><pubDate>Mon, 26 Oct 2026 09:16:19 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] agent-toolbox: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a17258-f540-75bd-9839-2252fa7fdca2</link><guid isPermaLink="true">https://verifymcp.io/servers/zaffy18-agent-toolbox/agent-toolbox#chg-chg_01a17258-f540-75bd-9839-2252fa7fdca2</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-24.</description><pubDate>Sun, 25 Oct 2026 09:16:34 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>