<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>io.github.cyanheads/stackexchange-mcp-server · stackexchange · 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/cyanheads-stackexchange-mcp-server/stackexchange.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] stackexchange: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0bb41-3baa-7bf3-a559-1442289cf020</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0bb41-3baa-7bf3-a559-1442289cf020</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-09-19.</description><pubDate>Sat, 19 Sep 2026 20:00:09 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] stackexchange: Tool “stackexchange_get_tag_faq” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0897d-6362-78ba-a676-7bf135e0312a</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0897d-6362-78ba-a676-7bf135e0312a</guid><description>Tool “stackexchange_get_tag_faq” rewrote its description, which is the text the model reads. Compared against 2026-09-10.</description><pubDate>Thu, 10 Sep 2026 04:04:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] stackexchange: Tool “stackexchange_get_user” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a08947-1ec7-7f36-b36b-49fbede425e4</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a08947-1ec7-7f36-b36b-49fbede425e4</guid><description>Tool “stackexchange_get_user” rewrote its description, which is the text the model reads. Compared against 2026-09-10.</description><pubDate>Thu, 10 Sep 2026 03:05:34 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] stackexchange: Tool “stackexchange_search_questions” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a08947-1eca-7630-b444-c6ecafd1a75d</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a08947-1eca-7630-b444-c6ecafd1a75d</guid><description>Tool “stackexchange_search_questions” rewrote its description, which is the text the model reads. Compared against 2026-09-10.</description><pubDate>Thu, 10 Sep 2026 03:05:34 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] stackexchange: Stability (0.97 → pass)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0848e-26f0-74b9-bf3a-5de58b18b739</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0848e-26f0-74b9-bf3a-5de58b18b739</guid><description>Stability (0.97 → pass). Compared against 2026-09-08.</description><pubDate>Wed, 09 Sep 2026 05:05:03 GMT</pubDate><category>security</category><category>neutral</category><category>check.verdict</category></item><item><title>[SECURITY] stackexchange: Stability (0.97 → pass)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0374e-bf11-7f19-8393-3fdb9be6083e</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_01a0374e-bf11-7f19-8393-3fdb9be6083e</guid><description>Stability (0.97 → pass). Compared against 2026-08-24.</description><pubDate>Tue, 25 Aug 2026 05:05:02 GMT</pubDate><category>security</category><category>neutral</category><category>check.verdict</category></item><item><title>[SECURITY] stackexchange: HSTS header (fail → pass)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ee-7b49-a5e5-71f792c45b4b</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ee-7b49-a5e5-71f792c45b4b</guid><description>HSTS header (fail → pass). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 05:05:38 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] stackexchange: Transport (fail → pass)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ef-7806-aed4-2bc7ec7fef92</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ef-7806-aed4-2bc7ec7fef92</guid><description>Transport (fail → pass). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 05:05:38 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] stackexchange: Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 5 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ef-7c07-b400-028d5ea805f7</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fea0f-e5ef-7c07-b400-028d5ea805f7</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 5 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 05:05:38 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item><item><title>[SECURITY] stackexchange: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f524-7d43-a54b-524d8078865b</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f524-7d43-a54b-524d8078865b</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 05:05:23 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] stackexchange: Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the tool list to see what that exposes.)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51e-78c5-b5fa-d738e066e5e0</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51e-78c5-b5fa-d738e066e5e0</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the tool list to see what that exposes.). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 05:05:23 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item><item><title>[SECURITY] stackexchange: HSTS header (pass → fail)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51e-7014-8c54-84a96b10de17</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51e-7014-8c54-84a96b10de17</guid><description>HSTS header (pass → fail). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 05:05:23 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] stackexchange: Stability (0.40 → unverified)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51d-7347-8551-f48afcf7c34b</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51d-7347-8551-f48afcf7c34b</guid><description>Stability (0.40 → unverified). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 05:05:23 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] stackexchange: Transport (pass → fail)</title><link>https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51c-7060-ae62-4a2dfe6943b0</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-stackexchange-mcp-server/stackexchange#chg-chg_019fdfc2-f51c-7060-ae62-4a2dfe6943b0</guid><description>Transport (pass → fail). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 05:05:23 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item></channel></rss>