K-Data — Korean Sell-Side Research & Market Data · k-data-x402-production · 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] k-data-x402-production: Stability (unverified → fail)https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e61-7e78-9458-fe77c8cca19fhttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e61-7e78-9458-fe77c8cca19fStability (unverified → fail). Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityregressioncheck.reverified[SECURITY] k-data-x402-production: The server rewrote its instructions, which are the text every model session readshttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-763d-9773-786c59ee877bhttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-763d-9773-786c59ee877bThe server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityneutralserver.instructions_changed[SECURITY] k-data-x402-production: A breaking change shipped without a version bump (still 1.1.0)https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-7cf1-9d5b-cfed0bf7ecd0https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-7cf1-9d5b-cfed0bf7ecd0A breaking change shipped without a version bump (still 1.1.0). Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityregressionserver.breaking_without_version_bump[SECURITY] k-data-x402-production: Tool “kimchi_premium_history” rewrote its description, which is the text the model readshttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e62-79e6-a96b-de91c86bc3behttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e62-79e6-a96b-de91c86bc3beTool “kimchi_premium_history” rewrote its description, which is the text the model reads. Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityneutraltool.description_changed[SECURITY] k-data-x402-production: Tool “preview_kimchi_premium” was removedhttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e63-74f3-b224-6ea40c478051https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e63-74f3-b224-6ea40c478051Tool “preview_kimchi_premium” was removed. Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityregressiontool.removed[SECURITY] k-data-x402-production: Tool “preview_research” was removedhttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e63-79de-a267-42a356604b87https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e63-79de-a267-42a356604b87Tool “preview_research” was removed. Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityregressiontool.removed[SECURITY] k-data-x402-production: Tool “preview_research_coverage” was removedhttps://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-7051-9058-9257e84e6152https://verifymcp.io/servers/juh5ng-korea-stock-research-mcp/k-data-x402-production#chg-chg_01a07964-5e64-7051-9058-9257e84e6152Tool “preview_research_coverage” was removed. Compared against 2026-09-06.Mon, 07 Sep 2026 01:03:35 GMTsecurityregressiontool.removed