<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Datecalc · datecalc-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-datecalc/datecalc-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc04-7b9e-92e8-0f9f38d2dd9d</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc04-7b9e-92e8-0f9f38d2dd9d</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 05:06:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc03-7ce8-94c9-638b99c26ced</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc03-7ce8-94c9-638b99c26ced</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 05:06:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc09-703f-aa4a-22e37d24523c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc09-703f-aa4a-22e37d24523c</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 05:06:17 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc06-73b0-a0d7-4e47682adf58</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc06-73b0-a0d7-4e47682adf58</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 05:06:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc05-706f-850a-279ac457f7d4</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc603-fc05-706f-850a-279ac457f7d4</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 05:06:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[CRITICAL] datecalc-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030e-71d5-a8a7-3e6d74245694</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030e-71d5-a8a7-3e6d74245694</guid><description>Authorization (unverified → fail). Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 05:03:26 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-0310-71a1-be9b-42cfb3200cc8</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-0310-71a1-be9b-42cfb3200cc8</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 05:03:26 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-7a82-aba9-ccf613be1062</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-7a82-aba9-ccf613be1062</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 05:03:26 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-758b-baa6-dbd76e2a7073</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-758b-baa6-dbd76e2a7073</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 05:03:26 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-700a-9c69-856b99ac62ba</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030f-700a-9c69-856b99ac62ba</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 05:03:26 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030e-79d7-a2f2-65e5fdda804c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fc0db-030e-79d7-a2f2-65e5fdda804c</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 05:03:26 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-7347-abb7-763ef76400b2</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-7347-abb7-763ef76400b2</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 05:03:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-790b-ad4e-351a1e9a51f9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-790b-ad4e-351a1e9a51f9</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 05:03:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-7cca-b91c-94ac65e0638f</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-976a-7cca-b91c-94ac65e0638f</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 05:03:22 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-9769-71a5-8d19-ba80432a9fa5</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-9769-71a5-8d19-ba80432a9fa5</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 05:03:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-9769-7d1c-a77c-9792a0ecbcc0</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fbbb4-9769-7d1c-a77c-9792a0ecbcc0</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 05:03:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-701d-a47c-5a4f7bad19e9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-701d-a47c-5a4f7bad19e9</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-29.</description><pubDate>Thu, 30 Jul 2026 15:09:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-7768-9ca3-2199100cf59b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-7768-9ca3-2199100cf59b</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-29.</description><pubDate>Thu, 30 Jul 2026 15:09:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-7f01-91fb-8e0c261f57d7</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641a-7f01-91fb-8e0c261f57d7</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-29.</description><pubDate>Thu, 30 Jul 2026 15:09:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641b-749f-bb83-8e6c2cf229af</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641b-749f-bb83-8e6c2cf229af</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-29.</description><pubDate>Thu, 30 Jul 2026 15:09:03 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641b-7976-b59d-642bade71b31</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fb392-641b-7976-b59d-642bade71b31</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-29.</description><pubDate>Thu, 30 Jul 2026 15:09:03 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[CRITICAL] datecalc-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c8-7380-9d1a-6e7422525b81</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c8-7380-9d1a-6e7422525b81</guid><description>Authorization (unverified → fail). Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 16:23:22 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13cb-73b7-afaf-01bc167e75a2</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13cb-73b7-afaf-01bc167e75a2</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 16:23:22 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13ca-796e-84bb-e8b4a02d1dbd</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13ca-796e-84bb-e8b4a02d1dbd</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 16:23:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13ca-7237-b12c-e7bd6ae27b9b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13ca-7237-b12c-e7bd6ae27b9b</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 16:23:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c9-74ce-83e3-a2fdd2d8021c</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c9-74ce-83e3-a2fdd2d8021c</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 16:23:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c8-7ea4-a677-f2cfab15944e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019faeb0-13c8-7ea4-a677-f2cfab15944e</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 16:23:22 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041c-79dd-9c28-237aa344e943</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041c-79dd-9c28-237aa344e943</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 18:10:44 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041e-7159-af28-d346c15fae30</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041e-7159-af28-d346c15fae30</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 18:10:44 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041d-7b55-a393-0bf02ba7f640</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041d-7b55-a393-0bf02ba7f640</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 18:10:44 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041d-7126-9bb1-44771594c026</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041d-7126-9bb1-44771594c026</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 18:10:44 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] datecalc-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041c-71cd-af74-52571ddf6535</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-datecalc/datecalc-mcp#chg-chg_019fa9ec-041c-71cd-af74-52571ddf6535</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 18:10:44 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item></channel></rss>