Library Of Congress · library-of-congress-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[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2843-7cfe-b281-7fd46497c8f4https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2843-7cfe-b281-7fd46497c8f4Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 01:10:33 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2843-772d-a58b-6f509a148f08https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2843-772d-a58b-6f509a148f08Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 01:10:33 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2842-7e16-a85e-18352246488ehttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2842-7e16-a85e-18352246488eTool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 01:10:33 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2841-7bcf-9dee-3faa9586730bhttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2841-7bcf-9dee-3faa9586730bTool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-02.Mon, 03 Aug 2026 01:10:33 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2844-73a4-9396-045e4603c915https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc52c-2844-73a4-9396-045e4603c915The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-02.Mon, 03 Aug 2026 01:10:33 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30d-7aaa-a479-c6ffdf51cd44https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30d-7aaa-a479-c6ffdf51cd44Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 01:12:46 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-7d5d-ae57-4ebbdb4b1690https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-7d5d-ae57-4ebbdb4b1690The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-01.Sun, 02 Aug 2026 01:12:46 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-79c3-8ad1-3d668bdde89chttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-79c3-8ad1-3d668bdde89cTool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 01:12:46 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-74d6-a97f-95aca01a46c1https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-74d6-a97f-95aca01a46c1Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 01:12:46 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-70a8-9cf9-cca697d016d2https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fc007-d30e-70a8-9cf9-cca697d016d2Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-01.Sun, 02 Aug 2026 01:12:46 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-742c-8fba-a21b48579c64https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-742c-8fba-a21b48579c64Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 01:10:53 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdac-72fc-9d24-b57e205d3342https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdac-72fc-9d24-b57e205d3342The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-31.Sat, 01 Aug 2026 01:10:53 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-7d25-bf0e-14265f449eb3https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-7d25-bf0e-14265f449eb3Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 01:10:53 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdaa-77ba-8479-a14cf9283a99https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdaa-77ba-8479-a14cf9283a99Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 01:10:53 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-7908-b693-207c3b0f47ddhttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fbadf-bdab-7908-b693-207c3b0f47ddTool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-31.Sat, 01 Aug 2026 01:10:53 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-724a-b82b-05d1c9630090https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-724a-b82b-05d1c9630090Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTsecurityneutraltool.description_changed[CRITICAL] library-of-congress-mcp: Authorization (unverified → fail)https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2690-7dde-8265-f6866eb0dc22https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2690-7dde-8265-f6866eb0dc22Authorization (unverified → fail). Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTcriticalregressioncheck.reverified[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2691-765b-bb9f-85cd0ba1f273https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2691-765b-bb9f-85cd0ba1f273Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2691-7c8f-a355-4607e6b53de6https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2691-7c8f-a355-4607e6b53de6Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-7884-b456-9506313dc92ehttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-7884-b456-9506313dc92eTool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-7e45-a274-cef83ef88e14https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fb32a-2692-7e45-a274-cef83ef88e14The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-29.Thu, 30 Jul 2026 13:15:11 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Authorization (fail → unverified)https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fa9-73a2-bcba-5e3151584556https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fa9-73a2-bcba-5e3151584556Authorization (fail → unverified). Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityregressioncheck.unverifiable[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-7a5c-b562-710673bbe0e2https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-7a5c-b562-710673bbe0e2The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-762d-b88d-2e317b21d9f3https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-762d-b88d-2e317b21d9f3Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-706c-aff3-8c0dc8074a65https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5fab-706c-aff3-8c0dc8074a65Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5faa-7b2e-b137-e96cb9c4fc80https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5faa-7b2e-b137-e96cb9c4fc80Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5faa-75ef-a634-424bb4967110https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fae2a-5faa-75ef-a634-424bb4967110Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-28.Wed, 29 Jul 2026 13:57:20 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7054-9727-1ee238cb28a2https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7054-9727-1ee238cb28a2Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb6-7948-a8a5-ac000a5fdca9https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb6-7948-a8a5-ac000a5fdca9The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTsecurityneutralserver.instructions_changed[SECURITY] library-of-congress-mcp: Tool “deep_research” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb6-7233-8899-d3299d863b1dhttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb6-7233-8899-d3299d863b1dTool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7c01-bad3-06cc2059d21fhttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7c01-bad3-06cc2059d21fTool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTsecurityneutraltool.description_changed[SECURITY] library-of-congress-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7592-b7c9-3e68c74a92echttps://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb5-7592-b7c9-3e68c74a92ecTool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTsecurityneutraltool.description_changed[CRITICAL] library-of-congress-mcp: Authorization (unverified → fail)https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb4-77f6-b67b-1893f8141604https://verifymcp.io/servers/pipeworx-io-library-of-congress/library-of-congress-mcp#chg-chg_019fa956-bfb4-77f6-b67b-1893f8141604Authorization (unverified → fail). Compared against 2026-07-27.Tue, 28 Jul 2026 15:27:42 GMTcriticalregressioncheck.reverified