19hz · 19hz-mcp · changes | VerifyMCPRecorded changes to this MCP component: tools, parameters, capabilities, advisories and trust-score checks. Security-relevant changes by default; append ?materiality=all for everything.https://verifymcp.io[CRITICAL] 19hz-mcp: Authorization (unverified → fail)https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52b9-74fa-96f4-a5fda5332977https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52b9-74fa-96f4-a5fda5332977Authorization (unverified → fail). Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTcriticalregressioncheck.reverified[SECURITY] 19hz-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52be-74ce-b271-343b6ba94eafhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52be-74ce-b271-343b6ba94eafThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTsecurityneutralserver.instructions_changed[SECURITY] 19hz-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bc-7472-86e3-044810f8db75https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bc-7472-86e3-044810f8db75Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bb-7a87-bffb-1e221917ea39https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bb-7a87-bffb-1e221917ea39Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bb-7519-8740-f189e769fefahttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52bb-7519-8740-f189e769fefaTool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52ba-7a60-ae05-d6265d5d3cdchttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc71f-52ba-7a60-ae05-d6265d5d3cdcTool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 10:15:46 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b76-7a75-8183-75408be8fdaahttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b76-7a75-8183-75408be8fdaaTool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 10:17:34 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-7cfc-bb3b-77e4922504ddhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-7cfc-bb3b-77e4922504ddThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-01.Sun, 02 Aug 2026 10:17:34 GMTsecurityneutralserver.instructions_changed[SECURITY] 19hz-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-7613-9ce6-0c59480a6f96https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-7613-9ce6-0c59480a6f96Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 10:17:34 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-70f7-84ca-73ddc0b83c11https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b77-70f7-84ca-73ddc0b83c11Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 10:17:34 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b75-7e9f-b8e8-535f2e342408https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fc1fa-9b75-7e9f-b8e8-535f2e342408Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 10:17:34 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f7-7c20-8966-b1da1fbfc0dbhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f7-7c20-8966-b1da1fbfc0dbTool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 10:34:36 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f8-7d76-a89a-b5be05528d92https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f8-7d76-a89a-b5be05528d92Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 10:34:36 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-7438-9e71-8df52c5b6534https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-7438-9e71-8df52c5b6534Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 10:34:36 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-78cb-8d3a-a4ded4c0b212https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-78cb-8d3a-a4ded4c0b212Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 10:34:36 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-7d50-bb4d-f86e2d304922https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fbce3-d6f9-7d50-bb4d-f86e2d304922The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-31.Sat, 01 Aug 2026 10:34:36 GMTsecurityneutralserver.instructions_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-7116-a366-6daea0e0f7cfhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-7116-a366-6daea0e0f7cfTool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5b-7098-a9fd-0539f55ba6d6https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5b-7098-a9fd-0539f55ba6d6Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-7b5d-a963-291dfe49587ehttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-7b5d-a963-291dfe49587eTool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-771a-b7a9-c3a41f467b47https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5a-771a-b7a9-c3a41f467b47Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTsecurityneutraltool.description_changed[CRITICAL] 19hz-mcp: Authorization (unverified → fail)https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b59-7a05-ad9c-16d73991d489https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b59-7a05-ad9c-16d73991d489Authorization (unverified → fail). Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTcriticalregressioncheck.reverified[SECURITY] 19hz-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5b-74e6-a48c-5974cd23c21fhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019faed6-7b5b-74e6-a48c-5974cd23c21fThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-28.Wed, 29 Jul 2026 17:05:19 GMTsecurityneutralserver.instructions_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-7e53-9f4c-f75ff6b82d9ahttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-7e53-9f4c-f75ff6b82d9aTool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 16:30:47 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-700e-a668-f61a7aa56acbhttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-700e-a668-f61a7aa56acbTool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 16:30:47 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f7-747e-84f6-3df26334364ahttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f7-747e-84f6-3df26334364aTool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 16:30:47 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-7805-a422-416b3d7c3cb5https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f6-7805-a422-416b3d7c3cb5Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 16:30:47 GMTsecurityneutraltool.description_changed[SECURITY] 19hz-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f7-79b1-b59f-23d67badc2d9https://verifymcp.io/servers/pipeworx-io-19hz/19hz-mcp#chg-chg_019fa990-81f7-79b1-b59f-23d67badc2d9The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-27.Tue, 28 Jul 2026 16:30:47 GMTsecurityneutralserver.instructions_changed