<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>NS1 MCP by usefulapi · ns1 · 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/io-usefulapi-ns1/ns1.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] ns1: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/io-usefulapi-ns1/ns1#chg-chg_01a138ff-e18a-7872-bb12-f259c917e421</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-ns1/ns1#chg-chg_01a138ff-e18a-7872-bb12-f259c917e421</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-13.</description><pubDate>Wed, 14 Oct 2026 06:00:54 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>