<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Agent Nexus · agentnexus · 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/app-agentnexus-agent-nexus/agentnexus.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] agentnexus: Tool “list_categories” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a270-7457-bc89-8d012018cfef</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a270-7457-bc89-8d012018cfef</guid><description>Tool “list_categories” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Tool “list_entries” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a270-798c-8c85-dba29e400afe</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a270-798c-8c85-dba29e400afe</guid><description>Tool “list_entries” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Tool “search_registry” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a271-7e44-903a-21a7156ba34d</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a271-7e44-903a-21a7156ba34d</guid><description>Tool “search_registry” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Tool “submit_entry” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a273-763a-9f47-55adcd657645</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a273-763a-9f47-55adcd657645</guid><description>Tool “submit_entry” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a27b-74c6-b31a-7d2b578ac639</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a27b-74c6-b31a-7d2b578ac639</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] agentnexus: Tool “discover_capabilities” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a26e-7bbb-b5ee-18282ebc57e8</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a26e-7bbb-b5ee-18282ebc57e8</guid><description>Tool “discover_capabilities” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Tool “get_entry” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a26f-7787-bf63-12cc467b053a</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0cba3-a26f-7787-bf63-12cc467b053a</guid><description>Tool “get_entry” rewrote its description, which is the text the model reads. Compared against 2026-09-22.</description><pubDate>Wed, 23 Sep 2026 00:21:33 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-417c-7d00-b814-9cf4be00a4a9</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-417c-7d00-b814-9cf4be00a4a9</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-18.</description><pubDate>Tue, 22 Sep 2026 00:10:37 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] agentnexus: Authorization (unverified → pass)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4132-7209-9cfd-940a1fde5e39</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4132-7209-9cfd-940a1fde5e39</guid><description>Authorization (unverified → pass). Compared against 2026-09-21.</description><pubDate>Tue, 22 Sep 2026 00:10:37 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] agentnexus: Injection markers (unverified → pass)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4136-7c5f-bcea-9c0279b1fb19</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4136-7c5f-bcea-9c0279b1fb19</guid><description>Injection markers (unverified → pass). Compared against 2026-09-21.</description><pubDate>Tue, 22 Sep 2026 00:10:37 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] agentnexus: Tool “discover_capabilities” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4164-7196-81c2-f351c6b15a65</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4164-7196-81c2-f351c6b15a65</guid><description>Tool “discover_capabilities” rewrote its description, which is the text the model reads. Compared against 2026-09-18.</description><pubDate>Tue, 22 Sep 2026 00:10:37 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Tool “search_registry” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4178-7ea8-b5e5-f256628cd709</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0c673-4178-7ea8-b5e5-f256628cd709</guid><description>Tool “search_registry” rewrote its description, which is the text the model reads. Compared against 2026-09-18.</description><pubDate>Tue, 22 Sep 2026 00:10:37 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agentnexus: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e44d-72d4-9d03-0b3b938c8d45</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e44d-72d4-9d03-0b3b938c8d45</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-09-18.</description><pubDate>Sat, 19 Sep 2026 00:08:07 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] agentnexus: Tool safety (pass → unverified)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e449-7617-8c4a-1929bf0997b2</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e449-7617-8c4a-1929bf0997b2</guid><description>Tool safety (pass → unverified). Compared against 2026-09-18.</description><pubDate>Sat, 19 Sep 2026 00:08:07 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] agentnexus: Authorization (pass → unverified)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e448-727c-a099-1d05a50be25a</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b6fd-e448-727c-a099-1d05a50be25a</guid><description>Authorization (pass → unverified). Compared against 2026-09-18.</description><pubDate>Sat, 19 Sep 2026 00:08:07 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] agentnexus: Transport (unverified → pass)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb24-7b7f-8216-9db2c04d4b92</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb24-7b7f-8216-9db2c04d4b92</guid><description>Transport (unverified → pass). Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 00:09:30 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] agentnexus: Injection markers (unverified → pass)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb26-79fb-a7a5-d6f001eacb64</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb26-79fb-a7a5-d6f001eacb64</guid><description>Injection markers (unverified → pass). Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 00:09:30 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] agentnexus: First check of Judged manipulation (pass)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb26-7f03-be42-64b86e1ccc03</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb26-7f03-be42-64b86e1ccc03</guid><description>First check of Judged manipulation (pass). Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 00:09:30 GMT</pubDate><category>security</category><category>neutral</category><category>check.appeared</category></item><item><title>[SECURITY] agentnexus: Authorization (Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token.)</title><link>https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb28-75b8-84cf-5d676785322c</link><guid isPermaLink="true">https://verifymcp.io/servers/app-agentnexus-agent-nexus/agentnexus#chg-chg_01a0b1d8-cb28-75b8-84cf-5d676785322c</guid><description>Authorization (Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token.). Compared against 2026-09-17.</description><pubDate>Fri, 18 Sep 2026 00:09:30 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item></channel></rss>