<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>What Agents Buy · whatagentsbuy · 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-whatagentsbuy-whatagentsbuy/whatagentsbuy.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] whatagentsbuy: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0b3fe-e294-78ce-bc37-5b2e56968562</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0b3fe-e294-78ce-bc37-5b2e56968562</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 10:10:20 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] whatagentsbuy: Tool “check_before_paying” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459a-72fd-b574-56426f9bda4c</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459a-72fd-b574-56426f9bda4c</guid><description>Tool “check_before_paying” rewrote its description, which is the text the model reads. Compared against 2026-09-09.</description><pubDate>Thu, 10 Sep 2026 10:08:26 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] whatagentsbuy: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459b-7ba5-94c3-1ce24888aa19</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459b-7ba5-94c3-1ce24888aa19</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 10:08:26 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] whatagentsbuy: Tool “check_before_paying” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f21-7b8d-99db-9d9072d5cea3</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f21-7b8d-99db-9d9072d5cea3</guid><description>Tool “check_before_paying” rewrote its description, which is the text the model reads. Compared against 2026-09-07.</description><pubDate>Tue, 08 Sep 2026 10:09:36 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] whatagentsbuy: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f22-788f-91b5-ebb0fe4fbf61</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f22-788f-91b5-ebb0fe4fbf61</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-07.</description><pubDate>Tue, 08 Sep 2026 10:09:36 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] whatagentsbuy: Tool “look_up_seller” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4456-7307-95dc-51fa076ebf09</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4456-7307-95dc-51fa076ebf09</guid><description>Tool “look_up_seller” rewrote its description, which is the text the model reads. Compared against 2026-08-30.</description><pubDate>Mon, 31 Aug 2026 10:11:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] whatagentsbuy: Tool “rank_sellers” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-74b2-bd71-cef109f9748c</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-74b2-bd71-cef109f9748c</guid><description>Tool “rank_sellers” rewrote its description, which is the text the model reads. Compared against 2026-08-30.</description><pubDate>Mon, 31 Aug 2026 10:11:16 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] whatagentsbuy: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-7927-868b-62acb6e86aa2</link><guid isPermaLink="true">https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-7927-868b-62acb6e86aa2</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-30.</description><pubDate>Mon, 31 Aug 2026 10:11:16 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>