<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Mailchimp · mailchimp-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-mailchimp/mailchimp-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd1-7c2a-ac0e-676f523ecd1c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd1-7c2a-ac0e-676f523ecd1c</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 02:08:15 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd3-7833-ad28-73a40ad0faae</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd3-7833-ad28-73a40ad0faae</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 02:08:15 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd3-72dd-a5d5-69213c9ed2af</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd3-72dd-a5d5-69213c9ed2af</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 02:08:15 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd2-7ddd-add4-cd2f21074bc9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd2-7ddd-add4-cd2f21074bc9</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 02:08:15 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd2-7847-8a0e-88bfee542ccf</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc560-fdd2-7847-8a0e-88bfee542ccf</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 02:08:15 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9de-7c4c-a6d5-9d72dbf69ca0</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9de-7c4c-a6d5-9d72dbf69ca0</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 02:16:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9e0-7153-871e-6016bfddd938</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9e0-7153-871e-6016bfddd938</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 02:16:13 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9df-79fc-911b-8a88d9c963f1</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9df-79fc-911b-8a88d9c963f1</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 02:16:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9df-73b8-82a8-7b362451c004</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9df-73b8-82a8-7b362451c004</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 02:16:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9de-73c8-9eeb-c47a2a4273a1</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fc041-e9de-73c8-9eeb-c47a2a4273a1</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 02:16:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2926-7171-a2d4-6f6805529a4a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2926-7171-a2d4-6f6805529a4a</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 02:13:36 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2925-754f-968d-38c3291a27be</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2925-754f-968d-38c3291a27be</guid><description>Authorization (fail → unverified). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:13:36 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2926-7937-8521-fabcf1d9cba1</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2926-7937-8521-fabcf1d9cba1</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 02:13:36 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-70e7-8589-a3e702aed268</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-70e7-8589-a3e702aed268</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 02:13:36 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-7662-af08-8e81db92c3a7</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-7662-af08-8e81db92c3a7</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 02:13:36 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-7e14-b80a-19a6673649e9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019fbb19-2927-7e14-b80a-19a6673649e9</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 02:13:36 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] mailchimp-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d58-79a9-8e59-db6240b34c87</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d58-79a9-8e59-db6240b34c87</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 17:55:43 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d57-7110-9b6b-e0edcbc26544</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d57-7110-9b6b-e0edcbc26544</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 17:55:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d56-7c4c-b238-ca0cb556ad84</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d56-7c4c-b238-ca0cb556ad84</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 17:55:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d55-7d83-84e8-122a5b51be63</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d55-7d83-84e8-122a5b51be63</guid><description>Authorization (fail → unverified). Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:55:43 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d56-77ed-ab57-11726957d6eb</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d56-77ed-ab57-11726957d6eb</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 17:55:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d58-7460-a1a8-a5725e91229b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faf04-9d58-7460-a1a8-a5725e91229b</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 17:55:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4394-718e-b212-3784f48280aa</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4394-718e-b212-3784f48280aa</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 19:32:56 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4393-7ccb-9bc3-a48213210b82</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4393-7ccb-9bc3-a48213210b82</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 19:32:56 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4393-7243-82cf-06f46915b4ff</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4393-7243-82cf-06f46915b4ff</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 19:32:56 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4392-7697-ae97-afe263f60ac7</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4392-7697-ae97-afe263f60ac7</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 19:32:56 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] mailchimp-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4394-7b4f-bc00-544784abc53d</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-mailchimp/mailchimp-mcp#chg-chg_019faa37-4394-7b4f-bc00-544784abc53d</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 19:32:56 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>