Recorded 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.iohttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0c333-f6ee-7a17-81b9-2728cf7088dbhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0c333-f6ee-7a17-81b9-2728cf7088dbStability (0.97 → pass). Compared against 2026-09-20.Mon, 21 Sep 2026 09:02:37 GMTsecurityneutralcheck.verdicthttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0b3c0-6cbe-7037-bc79-b85a91d4943chttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0b3c0-6cbe-7037-bc79-b85a91d4943cStability (0.97 → pass). Compared against 2026-09-17.Fri, 18 Sep 2026 09:02:07 GMTsecurityneutralcheck.verdicthttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a09f26-9e84-75ad-87e4-7e435d57f076https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a09f26-9e84-75ad-87e4-7e435d57f076The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-13.Mon, 14 Sep 2026 09:01:42 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a08a99-f108-77fa-aa72-7b5d8ef98b9ahttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a08a99-f108-77fa-aa72-7b5d8ef98b9aThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-09.Thu, 10 Sep 2026 09:15:38 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a08571-2647-749b-bdda-d153629cc71ahttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a08571-2647-749b-bdda-d153629cc71aThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-08.Wed, 09 Sep 2026 09:13:00 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a07b24-91b7-79c2-8cb5-fd95470ef0f5https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a07b24-91b7-79c2-8cb5-fd95470ef0f5The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-06.Mon, 07 Sep 2026 09:13:09 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a075fe-791b-7853-8f86-8dbfe049137ahttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a075fe-791b-7853-8f86-8dbfe049137aThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-05.Sun, 06 Sep 2026 09:13:26 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a070d7-324f-773a-b396-163c75fd5e98https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a070d7-324f-773a-b396-163c75fd5e98The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-04.Sat, 05 Sep 2026 09:12:26 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a06685-927c-7ce6-a948-add4f4b221d1https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a06685-927c-7ce6-a948-add4f4b221d1The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-02.Thu, 03 Sep 2026 09:07:04 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0615f-703c-76be-9743-3fb461eb7171https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0615f-703c-76be-9743-3fb461eb7171Authorization (unverified → partial). Compared against 2026-09-01.Wed, 02 Sep 2026 09:07:19 GMTsecurityimprovementcheck.reverifiedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0615f-703d-70fc-ba36-ca8d5f376d8bhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a0615f-703d-70fc-ba36-ca8d5f376d8bInjection markers (unverified → pass). Compared against 2026-09-01.Wed, 02 Sep 2026 09:07:19 GMTsecurityimprovementcheck.reverifiedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579e-7cc7-908b-a15b7d9dfea9https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579e-7cc7-908b-a15b7d9dfea9Stability (0.23 → fail). Compared against 2026-08-26.Thu, 27 Aug 2026 09:07:23 GMTsecurityregressioncheck.verdicthttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579f-768d-8aec-ac826209efechttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579f-768d-8aec-ac826209efecTool safety (pass → unverified). Compared against 2026-08-26.Thu, 27 Aug 2026 09:07:23 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579f-7d00-bcfe-2399f49e0f2bhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a04279-579f-7d00-bcfe-2399f49e0f2bAuthorization (partial → unverified). Compared against 2026-08-26.Thu, 27 Aug 2026 09:07:23 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02de0-d882-7703-9f9e-69715b1556dchttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02de0-d882-7703-9f9e-69715b1556dcStability (0.10 → fail). Compared against 2026-08-22.Sun, 23 Aug 2026 09:08:25 GMTsecurityregressioncheck.verdicthttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02de0-d882-7c8c-a41d-3aa3ea687b15https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02de0-d882-7c8c-a41d-3aa3ea687b15Authorization (partial → unverified). Compared against 2026-08-22.Sun, 23 Aug 2026 09:08:25 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a028ba-9497-7ce4-98cb-76705fa66a39https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a028ba-9497-7ce4-98cb-76705fa66a39Authorization (unverified → partial). Compared against 2026-08-21.Sat, 22 Aug 2026 09:08:31 GMTsecurityimprovementcheck.reverifiedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a028ba-9499-78e7-957a-4609202525fahttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a028ba-9499-78e7-957a-4609202525faThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-20.Sat, 22 Aug 2026 09:08:31 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae1-7372-8227-76a957e98e23https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae1-7372-8227-76a957e98e23Stability (0.03 → unverified). Compared against 2026-08-20.Fri, 21 Aug 2026 09:08:23 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae1-7b9e-a085-155d1fd36809https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae1-7b9e-a085-155d1fd36809Authorization (partial → unverified). Compared against 2026-08-20.Fri, 21 Aug 2026 09:08:23 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae3-7484-80c7-f636108c6849https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a02394-1ae3-7484-80c7-f636108c6849Endpoint reachability (reachable → not serving MCP). Compared against 2026-08-20.Fri, 21 Aug 2026 09:08:23 GMTsecurityregressioncapture.status_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a01e6d-9938-71b9-97ec-1e55fab10194https://verifymcp.io/servers/mcp-dir-receita-federal-irpf-mcp/p-receita-federal-irpf#chg-chg_01a01e6d-9938-71b9-97ec-1e55fab10194The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-19.Thu, 20 Aug 2026 09:08:14 GMTsecurityneutralserver.instructions_changed