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-nirf-mcp/p-receita-federal-nirf#chg-chg_01a02702-a14a-71cb-a8a8-d87217b57b71https://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a02702-a14a-71cb-a8a8-d87217b57b71Authorization (partial → unverified). Compared against 2026-08-21.Sat, 22 Aug 2026 01:07:58 GMTsecurityregressioncheck.unverifiablehttps://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a02702-a14b-7017-a443-a22d090c8d79https://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a02702-a14b-7017-a443-a22d090c8d79Stability (0.07 → fail). Compared against 2026-08-21.Sat, 22 Aug 2026 01:07:58 GMTsecurityregressioncheck.verdicthttps://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a021dc-1515-7510-9b6e-c10d7a13478fhttps://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a021dc-1515-7510-9b6e-c10d7a13478fThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-20.Fri, 21 Aug 2026 01:07:46 GMTsecurityneutralserver.instructions_changedhttps://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a01cb6-5802-79fc-ba0e-5239735f30c3https://verifymcp.io/servers/mcp-dir-receita-federal-nirf-mcp/p-receita-federal-nirf#chg-chg_01a01cb6-5802-79fc-ba0e-5239735f30c3The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-19.Thu, 20 Aug 2026 01:08:27 GMTsecurityneutralserver.instructions_changed