<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Billify payments · mcp-pay · 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/ovindolo-billify-pay/mcp-pay.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] mcp-pay: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/ovindolo-billify-pay/mcp-pay#chg-chg_01a1916e-aa6e-73c1-95cd-61c8c53d8627</link><guid isPermaLink="true">https://verifymcp.io/servers/ovindolo-billify-pay/mcp-pay#chg-chg_01a1916e-aa6e-73c1-95cd-61c8c53d8627</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-30.</description><pubDate>Sat, 31 Oct 2026 10:08:31 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] mcp-pay: Tool “verify_seller” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/ovindolo-billify-pay/mcp-pay#chg-chg_01a153a1-262a-7b1b-bbc6-6da1f09985e8</link><guid isPermaLink="true">https://verifymcp.io/servers/ovindolo-billify-pay/mcp-pay#chg-chg_01a153a1-262a-7b1b-bbc6-6da1f09985e8</guid><description>Tool “verify_seller” rewrote its description, which is the text the model reads. Compared against 2026-10-18.</description><pubDate>Mon, 19 Oct 2026 10:07:12 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item></channel></rss>