<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Federal Register · federal-register-mcp · 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/pipeworx-io-federal-register/federal-register-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] federal-register-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ad-7751-8726-21807e1fd409</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ad-7751-8726-21807e1fd409</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 00:18:59 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ad-72c6-9690-a5e075fb9846</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ad-72c6-9690-a5e075fb9846</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 00:18:59 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ac-7ae4-85fb-42d537b19b2b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ac-7ae4-85fb-42d537b19b2b</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 00:18:59 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ac-7416-ba74-ac9c3f837f1c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ac-7416-ba74-ac9c3f837f1c</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 00:18:59 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ab-7603-9c36-28fab953d16d</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fc4fc-f3ab-7603-9c36-28fab953d16d</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 00:18:59 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f0-76ba-b4cd-d303409634ca</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f0-76ba-b4cd-d303409634ca</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 00:03:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f1-71f6-843e-177acc5bca4a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f1-71f6-843e-177acc5bca4a</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 00:03:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f3-762f-ac20-13b0f2516c53</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f3-762f-ac20-13b0f2516c53</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 00:03:08 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f3-71b9-a35a-b985e087ef12</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f3-71b9-a35a-b985e087ef12</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 00:03:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f2-7b6e-af4c-afb6ce8743dd</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbfc8-14f2-7b6e-af4c-afb6ce8743dd</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 00:03:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2438-78f0-899d-a95780c38937</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2438-78f0-899d-a95780c38937</guid><description>Authorization (fail → unverified). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-75e8-9b0c-03d0eaae6435</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-75e8-9b0c-03d0eaae6435</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-797b-87dc-41ed80ab201e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-797b-87dc-41ed80ab201e</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-7d6b-9f32-fdc0eb6a5376</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-2439-7d6b-9f32-fdc0eb6a5376</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-243a-7195-9b47-dd185e1e6731</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-243a-7195-9b47-dd185e1e6731</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-243a-752b-bf3f-8ec8e87a8587</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fbaa3-243a-752b-bf3f-8ec8e87a8587</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 00:04:41 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7972-beb3-bd7e6d903dbe</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7972-beb3-bd7e6d903dbe</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7ea0-931b-6468ffd7c228</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7ea0-931b-6468ffd7c228</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5b-73b9-9950-451624585200</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5b-73b9-9950-451624585200</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[CRITICAL] federal-register-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c57-776a-9f30-fffbded8748c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c57-776a-9f30-fffbded8748c</guid><description>Authorization (unverified → fail). Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c58-7d76-af72-1de93c34e27a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c58-7d76-af72-1de93c34e27a</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7496-bd79-474ba350b9b6</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019faf31-6c5c-7496-bd79-474ba350b9b6</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 18:44:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9de0-7157-9da0-a2456d0def4c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9de0-7157-9da0-a2456d0def4c</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 17:53:55 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9ddf-7c77-8134-045d4e538ea8</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9ddf-7c77-8134-045d4e538ea8</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 17:53:55 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9ddf-77b7-894b-c1f92b47393f</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9ddf-77b7-894b-c1f92b47393f</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 17:53:55 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9dde-7b04-95f2-fbe7676df423</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9dde-7b04-95f2-fbe7676df423</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 17:53:55 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] federal-register-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9de0-7559-b162-47c2953f5bdb</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-federal-register/federal-register-mcp#chg-chg_019fa9dc-9de0-7559-b162-47c2953f5bdb</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 17:53:55 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>