<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Arcgis Chestercounty · arcgis-chestercounty-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-arcgis-chestercounty/arcgis-chestercounty-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-150f-7dad-a15c-b20fa4e3d705</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-150f-7dad-a15c-b20fa4e3d705</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 06:13:01 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1518-72db-8076-4d4d85583e14</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1518-72db-8076-4d4d85583e14</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 06:13:01 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1517-7c32-9886-1cd38020dfab</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1517-7c32-9886-1cd38020dfab</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 06:13:01 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1516-79df-b0e4-c36fcf0cd395</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1516-79df-b0e4-c36fcf0cd395</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 06:13:01 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1516-702c-a8b7-8020d1ef0076</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc641-1516-702c-a8b7-8020d1ef0076</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 06:13:01 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-7395-b70a-950a8f3e64d3</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-7395-b70a-950a8f3e64d3</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 06:16:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccc-728d-8fa6-361e918c2510</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccc-728d-8fa6-361e918c2510</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 06:16:39 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-7cef-b0c7-c92921146bd4</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-7cef-b0c7-c92921146bd4</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 06:16:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-77ef-bd2a-1fc8a6d1740b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0ccb-77ef-bd2a-1fc8a6d1740b</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 06:16:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0cca-7d1a-b8f3-ab4926ceb2e4</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fc11e-0cca-7d1a-b8f3-ab4926ceb2e4</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 06:16:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-762b-9854-0b710f585d89</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-762b-9854-0b710f585d89</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 06:13:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f90-7420-b2b9-92a0546ce0f6</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f90-7420-b2b9-92a0546ce0f6</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 06:13:51 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-7e71-af83-858196c8cdd1</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-7e71-af83-858196c8cdd1</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 06:13:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-79f3-a496-42f180c2d625</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8f-79f3-a496-42f180c2d625</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 06:13:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8e-7924-b0fb-5e92424d6760</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fbbf5-1f8e-7924-b0fb-5e92424d6760</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 06:13:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af8-748a-b67e-4bdf86fabc6e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af8-748a-b67e-4bdf86fabc6e</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 17:22:48 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af8-7089-8c36-97d4abd6d883</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af8-7089-8c36-97d4abd6d883</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 17:22:48 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-7bcf-b664-a4c21466f13f</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-7bcf-b664-a4c21466f13f</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 17:22:48 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-77f9-abb3-06f81d94a49e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-77f9-abb3-06f81d94a49e</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 17:22:48 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af6-7ce5-8d1a-6d34ead6cdf4</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af6-7ce5-8d1a-6d34ead6cdf4</guid><description>Authorization (fail → unverified). Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:22:48 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-735b-a70f-0184013de2f6</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019faee6-7af7-735b-a70f-0184013de2f6</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 17:22:48 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f208-7d4b-8a4a-c7315925ac05</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f208-7d4b-8a4a-c7315925ac05</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 16:43:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f20a-71c3-a6af-a723ab20f824</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f20a-71c3-a6af-a723ab20f824</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 16:43:17 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-7c70-9144-229e15291338</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-7c70-9144-229e15291338</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 16:43:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-77e1-9f38-fe752793dd47</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-77e1-9f38-fe752793dd47</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 16:43:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] arcgis-chestercounty-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-7261-ba7d-75324b80843e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f209-7261-ba7d-75324b80843e</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 16:43:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[CRITICAL] arcgis-chestercounty-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f208-77b3-b5ce-3b4fef5ce51b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-arcgis-chestercounty/arcgis-chestercounty-mcp#chg-chg_019fa99b-f208-77b3-b5ce-3b4fef5ce51b</guid><description>Authorization (unverified → fail). Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 16:43:17 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item></channel></rss>