<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>UCP Checker · ucpchecker · 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-ucpchecker-ucp-checker/ucpchecker.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] ucpchecker: Tool “search-all” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a0a454-5285-7b24-ba00-338196b01932</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a0a454-5285-7b24-ba00-338196b01932</guid><description>Tool “search-all” rewrote its description, which is the text the model reads. Compared against 2026-09-14.</description><pubDate>Tue, 15 Sep 2026 09:09:44 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a0a454-5286-7e64-846d-6c36c68e351e</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a0a454-5286-7e64-846d-6c36c68e351e</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 09:09:44 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] ucpchecker: Tool “list-categories” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09fcf-01e6-7e7f-b1c5-772916b29920</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09fcf-01e6-7e7f-b1c5-772916b29920</guid><description>Tool “list-categories” rewrote its description, which is the text the model reads. Compared against 2026-09-14.</description><pubDate>Mon, 14 Sep 2026 12:05:38 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: Tool “search-all” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09fcf-01e9-7d38-90c3-678122b1e49a</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09fcf-01e9-7d38-90c3-678122b1e49a</guid><description>Tool “search-all” rewrote its description, which is the text the model reads. Compared against 2026-09-14.</description><pubDate>Mon, 14 Sep 2026 12:05:38 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: Tool “check-domain” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c3-7a11-9426-c4198583cd79</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c3-7a11-9426-c4198583cd79</guid><description>Tool “check-domain” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Mon, 14 Sep 2026 09:09:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: Tool “list-stores” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c4-7170-b07f-fd88332cf185</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c4-7170-b07f-fd88332cf185</guid><description>Tool “list-stores” rewrote its description, which is the text the model reads. Compared against 2026-09-13.</description><pubDate>Mon, 14 Sep 2026 09:09:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c5-7595-9cc6-edd673b8478b</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a09f2d-c2c5-7595-9cc6-edd673b8478b</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 09:09:31 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] ucpchecker: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e13-78de-9728-e7ea998b470b</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e13-78de-9728-e7ea998b470b</guid><description>Authorization (fail → unverified). Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] ucpchecker: Stability (0.23 → fail)</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e15-7962-a409-f4424e1ffda1</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e15-7962-a409-f4424e1ffda1</guid><description>Stability (0.23 → fail). Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] ucpchecker: Tool “add-to-cart” was removed</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e16-7b0d-9803-55cb7884ccc0</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e16-7b0d-9803-55cb7884ccc0</guid><description>Tool “add-to-cart” was removed. Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>regression</category><category>tool.removed</category></item><item><title>[SECURITY] ucpchecker: Tool “build-bundle” was removed</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-70f1-a58d-b7aa44b76c5c</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-70f1-a58d-b7aa44b76c5c</guid><description>Tool “build-bundle” was removed. Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>regression</category><category>tool.removed</category></item><item><title>[SECURITY] ucpchecker: Tool “check-domain” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-767d-bdc3-aecc7bd91b11</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-767d-bdc3-aecc7bd91b11</guid><description>Tool “check-domain” rewrote its description, which is the text the model reads. Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: Tool “get-product-details” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-7c6b-90fb-f65ea5e4fc76</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e17-7c6b-90fb-f65ea5e4fc76</guid><description>Tool “get-product-details” rewrote its description, which is the text the model reads. Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] ucpchecker: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e19-7791-bb91-966ca0f94893</link><guid isPermaLink="true">https://verifymcp.io/servers/com-ucpchecker-ucp-checker/ucpchecker#chg-chg_01a06160-3e19-7791-bb91-966ca0f94893</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-01.</description><pubDate>Wed, 02 Sep 2026 09:08:12 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>