<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Google_calendar · google-calendar-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-google-calendar/google-calendar-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[CRITICAL] google-calendar-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c1-7ce3-bd64-3cdb578a3981</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c1-7ce3-bd64-3cdb578a3981</guid><description>Authorization (unverified → fail). Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 08:10:13 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] google-calendar-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c5-719a-a66b-f859c91153c8</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c5-719a-a66b-f859c91153c8</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 08:10:13 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c4-7626-938f-d7efea8d0046</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c4-7626-938f-d7efea8d0046</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 08:10:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7dac-a829-b2198379addf</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7dac-a829-b2198379addf</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 08:10:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7935-a49e-36ee726f00cd</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7935-a49e-36ee726f00cd</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 08:10:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7388-874e-8a28d970a0ce</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc6ac-61c3-7388-874e-8a28d970a0ce</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 08:10:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-75df-93ab-0ad449702d46</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-75df-93ab-0ad449702d46</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 08:18:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb60-75b5-bdf9-382cd31803a5</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb60-75b5-bdf9-382cd31803a5</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 08:18:51 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-7f40-8072-20e10e987f31</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-7f40-8072-20e10e987f31</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 08:18:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-79f9-a659-3ece1daa5608</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5f-79f9-a659-3ece1daa5608</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 08:18:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5e-7dee-8d41-d45106672981</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fc18d-eb5e-7dee-8d41-d45106672981</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 08:18:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fbc68-883b-7596-89ed-3373188c208a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019fbc68-883b-7596-89ed-3373188c208a</guid><description>Authorization (fail → unverified). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 08:19:55 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdcf-7396-85c2-c6c960de81b9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdcf-7396-85c2-c6c960de81b9</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 20:09:06 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd1-75dd-b4bb-6fd3d6b54aab</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd1-75dd-b4bb-6fd3d6b54aab</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 20:09:06 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-7e3a-af48-dd382eb8c842</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-7e3a-af48-dd382eb8c842</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 20:09:06 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-76fc-9123-40d1fa415bdc</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-76fc-9123-40d1fa415bdc</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 20:09:06 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-7063-bc7b-d66942f33f2a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faf7e-bdd0-7063-bc7b-d66942f33f2a</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 20:09:06 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-771d-8bd6-c5a825000c5c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-771d-8bd6-c5a825000c5c</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 18:35:24 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-99a0-73d4-b515-091a753e2b2b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-99a0-73d4-b515-091a753e2b2b</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 18:35:24 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-7ef4-ad4d-f919df0a2583</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-7ef4-ad4d-f919df0a2583</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 18:35:24 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-7b4b-a6c3-b07b2b9fdd4c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-7b4b-a6c3-b07b2b9fdd4c</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 18:35:24 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] google-calendar-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-70a6-8af1-83c7fd08500c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-google-calendar/google-calendar-mcp#chg-chg_019faa02-999f-70a6-8af1-83c7fd08500c</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 18:35:24 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item></channel></rss>