<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>io.usefulapi/castle · castle · changes | VerifyMCP</title><description>Recorded changes to this MCP component: tools, parameters, capabilities, advisories and trust-score checks. Security-relevant changes by default; append ?materiality=all for everything.</description><link>https://verifymcp.io</link><atom:link href="https://verifymcp.io/servers/io-usefulapi-castle/castle.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] castle: HTTPS (unverified → pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8173-796c-aa1d-7d0e9ded253f</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8173-796c-aa1d-7d0e9ded253f</guid><description>HTTPS (unverified → pass). Compared against 2026-10-03.</description><pubDate>Sun, 04 Oct 2026 02:29:16 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] castle: Transport (fail → pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8174-7ac2-a833-8373dca0ae42</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8174-7ac2-a833-8373dca0ae42</guid><description>Transport (fail → pass). Compared against 2026-10-03.</description><pubDate>Sun, 04 Oct 2026 02:29:16 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] castle: Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the whole tool list to see what that exposes.)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8175-7103-92d8-c95b7e90ba6e</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a104be-8175-7103-92d8-c95b7e90ba6e</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the whole tool list to see what that exposes.). Compared against 2026-10-03.</description><pubDate>Sun, 04 Oct 2026 02:29:16 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item><item><title>[SECURITY] castle: Transport (pass → fail)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8b-7766-bb40-a0d1685f6601</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8b-7766-bb40-a0d1685f6601</guid><description>Transport (pass → fail). Compared against 2026-09-30.</description><pubDate>Thu, 01 Oct 2026 02:27:50 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] castle: Tool safety (pass → unverified)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8b-7ca0-9111-9f6b49d9e195</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8b-7ca0-9111-9f6b49d9e195</guid><description>Tool safety (pass → unverified). Compared against 2026-09-30.</description><pubDate>Thu, 01 Oct 2026 02:27:50 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] castle: Authorization (pass → unverified)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8c-714f-add4-931ae5bed601</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8c-714f-add4-931ae5bed601</guid><description>Authorization (pass → unverified). Compared against 2026-09-30.</description><pubDate>Thu, 01 Oct 2026 02:27:50 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] castle: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8d-7219-add5-24f5204d7cac</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f54a-1e8d-7219-add5-24f5204d7cac</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-09-30.</description><pubDate>Thu, 01 Oct 2026 02:27:50 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] castle: Transport (unverified → pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2574-7ef6-bdc2-ac265d1b17d1</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2574-7ef6-bdc2-ac265d1b17d1</guid><description>Transport (unverified → pass). Compared against 2026-09-29.</description><pubDate>Wed, 30 Sep 2026 02:28:15 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] castle: Authorization (unverified → pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2575-76a3-8a06-7a9e3225aa3b</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2575-76a3-8a06-7a9e3225aa3b</guid><description>Authorization (unverified → pass). Compared against 2026-09-29.</description><pubDate>Wed, 30 Sep 2026 02:28:15 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] castle: Injection markers (unverified → pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2575-7c2f-9274-1b6fa1734cf9</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2575-7c2f-9274-1b6fa1734cf9</guid><description>Injection markers (unverified → pass). Compared against 2026-09-29.</description><pubDate>Wed, 30 Sep 2026 02:28:15 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] castle: First check of Judged manipulation (pass)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2576-72dd-8321-0422b0e03d8b</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2576-72dd-8321-0422b0e03d8b</guid><description>First check of Judged manipulation (pass). Compared against 2026-09-29.</description><pubDate>Wed, 30 Sep 2026 02:28:15 GMT</pubDate><category>security</category><category>neutral</category><category>check.appeared</category></item><item><title>[SECURITY] castle: First check of Authorization (partial)</title><link>https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2578-7760-b222-46170f9b3e38</link><guid isPermaLink="true">https://verifymcp.io/servers/io-usefulapi-castle/castle#chg-chg_01a0f024-2578-7760-b222-46170f9b3e38</guid><description>First check of Authorization (partial). Compared against 2026-09-29.</description><pubDate>Wed, 30 Sep 2026 02:28:15 GMT</pubDate><category>security</category><category>neutral</category><category>check.appeared</category></item></channel></rss>