<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>HEY Research Lab · heyresearch · 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/hey-research-lab-hey-research/heyresearch.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] heyresearch: Tool “research_answer” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1662a-5720-799e-98f6-cf6d23403e7b</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1662a-5720-799e-98f6-cf6d23403e7b</guid><description>Tool “research_answer” rewrote its description, which is the text the model reads. Compared against 2026-10-22.</description><pubDate>Fri, 23 Oct 2026 00:30:13 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “explain_fact” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a156b6-cd48-7872-899d-fc977b89be2b</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a156b6-cd48-7872-899d-fc977b89be2b</guid><description>Tool “explain_fact” rewrote its description, which is the text the model reads. Compared against 2026-10-19.</description><pubDate>Tue, 20 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “find_projects” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a156b6-cd49-7e67-8746-2fdeb141ceea</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a156b6-cd49-7e67-8746-2fdeb141ceea</guid><description>Tool “find_projects” rewrote its description, which is the text the model reads. Compared against 2026-10-19.</description><pubDate>Tue, 20 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “research_answer” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1844-7f07-a5f7-e62cb65a005a</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1844-7f07-a5f7-e62cb65a005a</guid><description>Tool “research_answer” rewrote its description, which is the text the model reads. Compared against 2026-10-17.</description><pubDate>Sun, 18 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “find_projects” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1844-78b5-853d-edc0806aa461</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1844-78b5-853d-edc0806aa461</guid><description>Tool “find_projects” rewrote its description, which is the text the model reads. Compared against 2026-10-17.</description><pubDate>Sun, 18 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “chain_overview” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1843-7761-9836-01bf4bb62721</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1843-7761-9836-01bf4bb62721</guid><description>Tool “chain_overview” rewrote its description, which is the text the model reads. Compared against 2026-10-17.</description><pubDate>Sun, 18 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1845-748c-aeb3-e5ed2ac18d82</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14c6a-1845-748c-aeb3-e5ed2ac18d82</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-17.</description><pubDate>Sun, 18 Oct 2026 00:29:43 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] heyresearch: Tool “chain_overview” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7562-8072-80cbdf174534</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7562-8072-80cbdf174534</guid><description>Tool “chain_overview” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_token_market” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55c-7063-8750-2ff2d3950e43</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55c-7063-8750-2ff2d3950e43</guid><description>Tool “get_token_market” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_project_snapshot” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55b-76aa-9c81-f197d7501373</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55b-76aa-9c81-f197d7501373</guid><description>Tool “get_project_snapshot” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_evidence” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55b-72e5-9292-ab5915123f6f</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55b-72e5-9292-ab5915123f6f</guid><description>Tool “get_evidence” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_changes” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7d29-9074-c850c42591d5</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7d29-9074-c850c42591d5</guid><description>Tool “get_changes” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Stability (unverified → fail)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d556-7249-80fa-15db1bd871bd</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d556-7249-80fa-15db1bd871bd</guid><description>Stability (unverified → fail). Compared against 2026-10-16.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: Transport (fail → pass)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-7182-9200-fc11409e784c</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-7182-9200-fc11409e784c</guid><description>Transport (fail → pass). Compared against 2026-10-16.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] heyresearch: Authorization (unverified → partial)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-77a5-a7b0-52af6cf3aa82</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-77a5-a7b0-52af6cf3aa82</guid><description>Authorization (unverified → partial). Compared against 2026-10-16.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: Injection markers (unverified → pass)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-7c21-bf3a-4d3be75f4012</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d557-7c21-bf3a-4d3be75f4012</guid><description>Injection markers (unverified → pass). Compared against 2026-10-16.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: HSTS header (unverified → pass)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d558-7d00-aee6-d9bf77cafa61</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d558-7d00-aee6-d9bf77cafa61</guid><description>HSTS header (unverified → pass). Compared against 2026-10-16.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: Tool “find_projects” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7955-a37d-5fa5246721a4</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a14741-d55a-7955-a37d-5fa5246721a4</guid><description>Tool “find_projects” rewrote its description, which is the text the model reads. Compared against 2026-10-15.</description><pubDate>Sat, 17 Oct 2026 00:27:39 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Transport (pass → fail)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-0719-7d84-b296-a30746bafded</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-0719-7d84-b296-a30746bafded</guid><description>Transport (pass → fail). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] heyresearch: HSTS header (pass → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-077d-7d14-85fc-2b37b7e43e98</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-077d-7d14-85fc-2b37b7e43e98</guid><description>HSTS header (pass → unverified). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Tool safety (pass → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-06b5-7322-8f72-1363d49404b6</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-06b5-7322-8f72-1363d49404b6</guid><description>Tool safety (pass → unverified). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Authorization (partial → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-0650-7437-8fab-6b0c2fe039e8</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-0650-7437-8fab-6b0c2fe039e8</guid><description>Authorization (partial → unverified). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Stability (fail → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-063c-78a7-a351-8847c28f67ca</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-063c-78a7-a351-8847c28f67ca</guid><description>Stability (fail → unverified). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-07de-7574-8676-e67fa5d2f139</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a1422b-07de-7574-8676-e67fa5d2f139</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-10-15.</description><pubDate>Fri, 16 Oct 2026 00:44:36 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] heyresearch: Tool “research_answer” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a137da-2765-76dc-a7e2-699561da3a5a</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a137da-2765-76dc-a7e2-699561da3a5a</guid><description>Tool “research_answer” rewrote its description, which is the text the model reads. Compared against 2026-10-13.</description><pubDate>Wed, 14 Oct 2026 00:40:04 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a137da-2889-71e8-b020-058ccdeb22b3</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a137da-2889-71e8-b020-058ccdeb22b3</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-13.</description><pubDate>Wed, 14 Oct 2026 00:40:04 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] heyresearch: Tool “research_answer” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-7d8b-9ead-5c1fdc13eeff</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-7d8b-9ead-5c1fdc13eeff</guid><description>Tool “research_answer” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_project_snapshot” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2092-7078-9109-cdcaec2638d0</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2092-7078-9109-cdcaec2638d0</guid><description>Tool “get_project_snapshot” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_project_timeline” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2092-76c7-88d8-22e6e8e452dd</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2092-76c7-88d8-22e6e8e452dd</guid><description>Tool “get_project_timeline” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “ask_hey” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208c-74fd-89b6-39842a0fa028</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208c-74fd-89b6-39842a0fa028</guid><description>Tool “ask_hey” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “chain_overview” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208d-74d3-83c2-977be38e9962</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208d-74d3-83c2-977be38e9962</guid><description>Tool “chain_overview” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “explain_fact” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208d-7d67-97ab-53e2282a76bc</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208d-7d67-97ab-53e2282a76bc</guid><description>Tool “explain_fact” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “find_projects” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208e-7351-b2e9-8578ddb60f47</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208e-7351-b2e9-8578ddb60f47</guid><description>Tool “find_projects” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_changes” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208e-7ece-bd25-cb78c5d331ea</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208e-7ece-bd25-cb78c5d331ea</guid><description>Tool “get_changes” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_contract” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208f-7d4d-947b-e940b5382260</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-208f-7d4d-947b-e940b5382260</guid><description>Tool “get_contract” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_evidence” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2091-7aa9-8095-c705e3a2a923</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2091-7aa9-8095-c705e3a2a923</guid><description>Tool “get_evidence” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_token_market” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2093-7850-b618-94238d806447</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2093-7850-b618-94238d806447</guid><description>Tool “get_token_market” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “get_v4_hook” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2093-7ce2-8a52-6e41fcb8a060</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2093-7ce2-8a52-6e41fcb8a060</guid><description>Tool “get_v4_hook” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “market_integrity” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-731b-b4e3-ff175db54f19</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-731b-b4e3-ff175db54f19</guid><description>Tool “market_integrity” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: Tool “project_diff” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-77be-9dca-4a98ca8d3b07</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2094-77be-9dca-4a98ca8d3b07</guid><description>Tool “project_diff” rewrote its description, which is the text the model reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] heyresearch: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2096-75a6-b791-9ecca4b1956c</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a132a6-2096-75a6-b791-9ecca4b1956c</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-12.</description><pubDate>Tue, 13 Oct 2026 00:25:10 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] heyresearch: Stability (unverified → fail)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b6-75ca-9caa-047b6453e385</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b6-75ca-9caa-047b6453e385</guid><description>Stability (unverified → fail). Compared against 2026-10-05.</description><pubDate>Sat, 10 Oct 2026 12:42:57 GMT</pubDate><category>security</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: Authorization (unverified → partial)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b8-7282-b7ea-1b3eef1ea720</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b8-7282-b7ea-1b3eef1ea720</guid><description>Authorization (unverified → partial). Compared against 2026-10-05.</description><pubDate>Sat, 10 Oct 2026 12:42:57 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: Injection markers (unverified → pass)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b9-707a-b698-087c3892bc6a</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81b9-707a-b698-087c3892bc6a</guid><description>Injection markers (unverified → pass). Compared against 2026-10-05.</description><pubDate>Sat, 10 Oct 2026 12:42:57 GMT</pubDate><category>security</category><category>improvement</category><category>check.reverified</category></item><item><title>[SECURITY] heyresearch: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81bd-7ed1-ab22-bc233679f734</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a125d6-81bd-7ed1-ab22-bc233679f734</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-08.</description><pubDate>Sat, 10 Oct 2026 12:42:57 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] heyresearch: Tool safety (pass → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cbee-7261-a87d-44d7f45eb9d0</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cbee-7261-a87d-44d7f45eb9d0</guid><description>Tool safety (pass → unverified). Compared against 2026-10-04.</description><pubDate>Mon, 05 Oct 2026 01:23:32 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Authorization (partial → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cbfc-707e-823f-d3d173c5a4a4</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cbfc-707e-823f-d3d173c5a4a4</guid><description>Authorization (partial → unverified). Compared against 2026-10-04.</description><pubDate>Mon, 05 Oct 2026 01:23:32 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cc5a-731c-9f65-0fd02016d7c5</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cc5a-731c-9f65-0fd02016d7c5</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-10-04.</description><pubDate>Mon, 05 Oct 2026 01:23:32 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] heyresearch: Stability (fail → unverified)</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cb99-78da-b148-31bcb7c1d1ac</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a109a8-cb99-78da-b148-31bcb7c1d1ac</guid><description>Stability (fail → unverified). Compared against 2026-10-04.</description><pubDate>Mon, 05 Oct 2026 01:23:32 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] heyresearch: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a10446-035b-7aaa-b67d-0f11462ab4b1</link><guid isPermaLink="true">https://verifymcp.io/servers/hey-research-lab-hey-research/heyresearch#chg-chg_01a10446-035b-7aaa-b67d-0f11462ab4b1</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-10-03.</description><pubDate>Sun, 04 Oct 2026 00:17:39 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item></channel></rss>