<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>HelloBooks AI Agents MCP Server · agents · 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/hellobooksaiagents-hellobooks-mcp/agents.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] agents: Stability (0.97 → pass)</title><link>https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_01a03716-1d56-7be7-ab13-b34480ea61d3</link><guid isPermaLink="true">https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_01a03716-1d56-7be7-ab13-b34480ea61d3</guid><description>Stability (0.97 → pass). Compared against 2026-08-24.</description><pubDate>Tue, 25 Aug 2026 04:03:11 GMT</pubDate><category>security</category><category>neutral</category><category>check.verdict</category></item><item><title>[SECURITY] agents: Tool “list_tax_rates” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_01a01d55-f1b9-7330-a11e-ab3e94128a59</link><guid isPermaLink="true">https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_01a01d55-f1b9-7330-a11e-ab3e94128a59</guid><description>Tool “list_tax_rates” rewrote its description, which is the text the model reads. Compared against 2026-08-19.</description><pubDate>Thu, 20 Aug 2026 04:02:46 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agents: Tool “list_tax_rates” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_019ffe70-6b56-7c33-92b6-0369237498f1</link><guid isPermaLink="true">https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_019ffe70-6b56-7c33-92b6-0369237498f1</guid><description>Tool “list_tax_rates” rewrote its description, which is the text the model reads. Compared against 2026-08-13.</description><pubDate>Fri, 14 Aug 2026 04:03:28 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] agents: Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 29 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/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_019fd53c-f3de-7656-bc37-9b7e74c21f85</link><guid isPermaLink="true">https://verifymcp.io/servers/hellobooksaiagents-hellobooks-mcp/agents#chg-chg_019fd53c-f3de-7656-bc37-9b7e74c21f85</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 29 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 2026-08-05.</description><pubDate>Thu, 06 Aug 2026 04:02:49 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item></channel></rss>