<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Mercado Pago MCP · p-mercadopago · 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/mcp-dir-mercadopago-mcp/p-mercadopago/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] p-mercadopago: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fc52d-5b29-7e9d-9d7c-f0126ac16a63</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fc52d-5b29-7e9d-9d7c-f0126ac16a63</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 01:11:51 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] p-mercadopago: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fc00b-40ef-72db-8108-063590fb6090</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fc00b-40ef-72db-8108-063590fb6090</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 01:16:30 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] p-mercadopago: Tool “marketplace” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc2-774e-aa2b-e5be89007098</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc2-774e-aa2b-e5be89007098</guid><description>Tool “marketplace” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 01:13:53 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[CRITICAL] p-mercadopago: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc1-76e0-9ebc-ca8367fb6376</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc1-76e0-9ebc-ca8367fb6376</guid><description>Authorization (unverified → fail). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 01:13:53 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] p-mercadopago: HSTS header (unverified → fail)</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc2-7140-bae1-086034d7345b</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc2-7140-bae1-086034d7345b</guid><description>HSTS header (unverified → fail). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 01:13:53 GMT</pubDate><category>security</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] p-mercadopago: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc3-722b-9b99-92611e741854</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019fbae2-7dc3-722b-9b99-92611e741854</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 01:13:53 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] p-mercadopago: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019faf3c-0495-7540-97d8-afbd4281ae66</link><guid isPermaLink="true">https://verifymcp.io/servers/mcp-dir-mercadopago-mcp/p-mercadopago#chg-chg_019faf3c-0495-7540-97d8-afbd4281ae66</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 18:56:13 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>