MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors · c-mcp-registry-official-mcp-lint · 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] c-mcp-registry-official-mcp-lint: Judged manipulation (unverified → pass)https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a87-7573-9bab-cd160ea6b252https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a87-7573-9bab-cd160ea6b252Judged manipulation (unverified → pass). Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityimprovementcheck.reverified[SECURITY] c-mcp-registry-official-mcp-lint: Tool “discovery_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a89-74e4-af9c-247c6357bac7https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a89-74e4-af9c-247c6357bac7Tool “discovery_report” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “error_conformance” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a89-7afc-878b-b93a6c063455https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a89-7afc-878b-b93a6c063455Tool “error_conformance” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “handshake_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-718a-b73b-5305aafcd0b3https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-718a-b73b-5305aafcd0b3Tool “handshake_report” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “score_card” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7634-ad68-2854f34e107bhttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7634-ad68-2854f34e107bTool “score_card” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “tools_list_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7a48-a060-348fa0a1b467https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7a48-a060-348fa0a1b467Tool “tools_list_report” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “whoami” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7ea7-80df-41bcfe2ffb44https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8a-7ea7-80df-41bcfe2ffb44Tool “whoami” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8b-7347-bba8-45673468b0f5https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a0796f-6a8b-7347-bba8-45673468b0f5The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:15:39 GMTsecurityneutralserver.instructions_changed[SECURITY] c-mcp-registry-official-mcp-lint: Judged manipulation (pass → unverified)https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1abf-7422-b818-8d1f69e93840https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1abf-7422-b818-8d1f69e93840Judged manipulation (pass → unverified). Compared against 2026-09-05.Sun, 06 Sep 2026 01:13:32 GMTsecurityregressioncheck.unverifiable[SECURITY] c-mcp-registry-official-mcp-lint: Tool “whoami” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1ac0-7a50-ac44-487baebb37e7https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1ac0-7a50-ac44-487baebb37e7Tool “whoami” rewrote its description, which is the text the model reads. Compared against 2026-09-05.Sun, 06 Sep 2026 01:13:32 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1ac1-7090-a435-9d6aa12d0210https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a07447-1ac1-7090-a435-9d6aa12d0210The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-05.Sun, 06 Sep 2026 01:13:32 GMTsecurityneutralserver.instructions_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “example” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6c-75be-b776-691770fbaa62https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6c-75be-b776-691770fbaa62Tool “example” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 02:13:14 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “whoami” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6c-7b39-9b36-b7a65ccf8a46https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6c-7b39-9b36-b7a65ccf8a46Tool “whoami” rewrote its description, which is the text the model reads. Compared against 2026-09-03.Fri, 04 Sep 2026 02:13:14 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6d-782a-bb02-e46c6242f420https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a06a31-0c6d-782a-bb02-e46c6242f420The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-03.Fri, 04 Sep 2026 02:13:14 GMTsecurityneutralserver.instructions_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “discovery_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a5-7d3b-b5f7-ab8617856f70https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a5-7d3b-b5f7-ab8617856f70Tool “discovery_report” rewrote its description, which is the text the model reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “error_conformance” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-73a6-bb9a-7a7f0f7d9909https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-73a6-bb9a-7a7f0f7d9909Tool “error_conformance” rewrote its description, which is the text the model reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “handshake_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-7950-970d-f40213f1fb8chttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-7950-970d-f40213f1fb8cTool “handshake_report” rewrote its description, which is the text the model reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “score_card” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-7dce-afc1-cd5f62a3f898https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a6-7dce-afc1-cd5f62a3f898Tool “score_card” rewrote its description, which is the text the model reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: Tool “tools_list_report” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a7-735f-8f0c-fbbc6bba4ae5https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a7-735f-8f0c-fbbc6bba4ae5Tool “tools_list_report” rewrote its description, which is the text the model reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutraltool.description_changed[SECURITY] c-mcp-registry-official-mcp-lint: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a7-78a1-8fa5-b5c554439462https://verifymcp.io/servers/dev-workers-pathwren-www-mcp-endpoint-lint/c-mcp-registry-official-mcp-lint#chg-chg_01a064cd-a2a7-78a1-8fa5-b5c554439462The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-02.Thu, 03 Sep 2026 01:06:33 GMTsecurityneutralserver.instructions_changed