feat(mcp): add official MCP Server for AI Agent integration

web/src/pages/Settings.tsx

@@ -283,6 +283,26 @@ export default function Settings() {
                 生成 Token
               </Button>
             </div>
+            <div className="rounded-md border border-[var(--border)] bg-[var(--bg-secondary)] p-3 text-xs leading-5 text-[var(--text-secondary)]">
+              <div className="mb-1 font-medium text-[var(--text-primary)]">MCP Server（Hermes / OpenClaw）</div>
+              <p className="mb-2">
+                OpenAPI 是 REST 接口；AI Agent 请使用 <code className="rounded bg-[var(--bg-tertiary)] px-1">taskpool mcp</code> 作为 MCP
+                Server 完整接管任务/脚本/日志。
+              </p>
+              <pre className="overflow-x-auto whitespace-pre-wrap rounded-md border border-[var(--border)] bg-[var(--bg-primary)] p-2 font-mono text-[11px] text-[var(--text-primary)]">{`{
+  "mcpServers": {
+    "taskpool": {
+      "command": "taskpool",
+      "args": ["mcp"],
+      "env": {
+        "TASKPOOL_URL": "${window.location.origin}",
+        "TASKPOOL_TOKEN": "${siteForm.openapi_token || '在设置页生成 OpenAPI Token'}"
+      }
+    }
+  }
+}`}</pre>
+              <p className="mt-2 text-[var(--text-muted)]">详细说明见仓库 docs/guide/mcp.md 与 skills/taskpool/SKILL.md</p>
+            </div>
             <h3 className="pt-2 text-sm font-medium text-[var(--text-secondary)]">日志保留</h3>
             <div className="grid gap-3 md:grid-cols-2">
               <Input placeholder="系统通知保留天" value={siteForm.system_notice_days} onChange={(e) => setSiteForm((f) => ({ ...f, system_notice_days: e.target.value }))} />