diff --git a/web/static/js/monitor.js b/web/static/js/monitor.js
index d702b699..3e0de1fe 100644
--- a/web/static/js/monitor.js
+++ b/web/static/js/monitor.js
@@ -31,6 +31,25 @@ function shouldSkipTaskEventReplayAttach(conversationId) {
         return false;
     }
 }
+/** 监控页展示：内部 mcp::tool → 模型侧 mcp__tool */
+function formatMonitorToolName(name) {
+    if (!name || typeof name !== 'string') return name || '';
+    return name.includes('::') ? name.replace('::', '__') : name;
+}
+
+/** 筛选/API：mcp__tool → 内部 mcp::tool（与库存一致） */
+function canonicalMonitorToolName(name) {
+    if (!name || typeof name !== 'string') return name || '';
+    if (name.includes('::')) return name;
+    const idx = name.indexOf('__');
+    if (idx > 0) return `${name.slice(0, idx)}::${name.slice(idx + 2)}`;
+    return name;
+}
+
+function monitorToolNamesEqual(a, b) {
+    return canonicalMonitorToolName(a) === canonicalMonitorToolName(b);
+}
+
 if (typeof window !== 'undefined') {
     window.shouldSkipTaskEventReplayAttach = shouldSkipTaskEventReplayAttach;
 }
@@ -3632,9 +3651,10 @@ async function applyMonitorFilters() {
     const statusFilter = document.getElementById('monitor-status-filter');
     const toolFilter = document.getElementById('monitor-tool-filter');
     const status = statusFilter ? statusFilter.value : 'all';
-    const tool = toolFilter ? (toolFilter.value.trim() || 'all') : 'all';
+    const toolRaw = toolFilter ? (toolFilter.value.trim() || 'all') : 'all';
+    const tool = toolRaw === 'all' ? 'all' : canonicalMonitorToolName(toolRaw);
     if (toolFilter) {
-        toolFilter.classList.toggle('is-filter-active', tool !== 'all');
+        toolFilter.classList.toggle('is-filter-active', toolRaw !== 'all');
     }
     // 当筛选条件改变时，从后端重新获取数据
     await refreshMonitorPanelWithFilter(status, tool);
@@ -4041,9 +4061,10 @@ function renderMcpStatsCombinedSection(topTools, totals, activeToolFilter, timel
 
     if (!hasTools && !showTimeline) return '';
 
+    const filterChipLabel = activeToolFilter ? formatMonitorToolName(activeToolFilter) : '';
     const filterChip = activeToolFilter
-        ? `<span class="mcp-stats-filter-chip" title="${escapeHtml(mcpMonitorT('filterByToolTitle', { tool: activeToolFilter }) || activeToolFilter)}">
-            <span class="mcp-stats-filter-chip__label">${escapeHtml(mcpMonitorT('filterActive', { tool: activeToolFilter }) || `已筛选：${activeToolFilter}`)}</span>
+        ? `<span class="mcp-stats-filter-chip" title="${escapeHtml(mcpMonitorT('filterByToolTitle', { tool: filterChipLabel }) || filterChipLabel)}">
+            <span class="mcp-stats-filter-chip__label">${escapeHtml(mcpMonitorT('filterActive', { tool: filterChipLabel }) || `已筛选：${filterChipLabel}`)}</span>
             <button type="button" class="mcp-stats-filter-chip__clear mcp-stats-clear-filter" aria-label="${escapeHtml(mcpMonitorT('clearToolFilter') || '清除工具筛选')}">×</button>
         </span>`
         : '';
@@ -4483,7 +4504,7 @@ function updateMonitorStatsSubtitle(lastFetchedAt, toolCount) {
 function filterMonitorByTool(toolName) {
     const toolFilter = document.getElementById('monitor-tool-filter');
     if (!toolFilter || !toolName) return;
-    toolFilter.value = toolName;
+    toolFilter.value = formatMonitorToolName(toolName);
     toolFilter.classList.add('is-filter-active');
     applyMonitorFilters();
     const execSection = document.querySelector('.monitor-executions');
@@ -4615,7 +4636,8 @@ function renderMcpStatsToolTable(topTools, totals, activeToolFilter = '') {
 
     let rowsHtml = '';
     topTools.forEach((tool, index) => {
-        const name = tool.toolName || unknownToolLabel;
+        const rawName = tool.toolName || unknownToolLabel;
+        const name = formatMonitorToolName(rawName);
         const total = tool.totalCalls || 0;
         const success = tool.successCalls || 0;
         const failed = tool.failedCalls || 0;
@@ -4623,14 +4645,14 @@ function renderMcpStatsToolTable(topTools, totals, activeToolFilter = '') {
         const toolRate = toolRateNum.toFixed(1);
         const sharePct = totals.total > 0 ? ((total / totals.total) * 100).toFixed(1) : '0.0';
         const dotColor = MCP_STATS_DIST_COLORS[index % MCP_STATS_DIST_COLORS.length];
-        const isActive = activeToolFilter && activeToolFilter === name;
+        const isActive = activeToolFilter && monitorToolNamesEqual(activeToolFilter, rawName);
         const rateClass = getMcpToolRateClass(toolRateNum);
         const rankClass = index === 0 ? ' rank-1' : index === 1 ? ' rank-2' : index === 2 ? ' rank-3' : '';
         const rowAria = mcpMonitorT('toolRowAriaLabel', { name, total, rate: toolRate })
             || `${name}，${total} 次调用，成功率 ${toolRate}%`;
         rowsHtml += `
             <tr class="mcp-stats-tool-row${isActive ? ' is-active' : ''}"
-                data-tool-name="${escapeHtml(name)}"
+                data-tool-name="${escapeHtml(rawName)}"
                 tabindex="0"
                 role="button"
                 aria-label="${escapeHtml(rowAria)}"
@@ -4679,14 +4701,15 @@ function renderMcpStatsToolsPanel(topTools, totals, activeToolFilter = '') {
     const distAria = mcpMonitorT('distTitle') || '调用分布';
 
     const stackedHtml = segments.map((s) => {
-        const isActive = !s.isOthers && activeToolFilter && activeToolFilter === s.name;
-        const title = `${s.name} · ${s.pct}% · ${s.calls}`;
+        const isActive = !s.isOthers && activeToolFilter && monitorToolNamesEqual(activeToolFilter, s.name);
+        const displayName = s.isOthers ? s.name : formatMonitorToolName(s.name);
+        const title = `${displayName} · ${s.pct}% · ${s.calls}`;
         if (s.isOthers) {
             return `<span class="mcp-stats-proportion-seg is-others" data-is-others="1" role="presentation"
                 style="flex:${s.pctNum} 1 0;background:${s.color}" title="${escapeHtml(title)}"></span>`;
         }
-        const segAria = mcpMonitorT('distSegmentAria', { name: s.name, pct: s.pct, calls: s.calls })
-            || `${s.name}，占 ${s.pct}%，${s.calls} 次`;
+        const segAria = mcpMonitorT('distSegmentAria', { name: displayName, pct: s.pct, calls: s.calls })
+            || `${displayName}，占 ${s.pct}%，${s.calls} 次`;
         return `<span class="mcp-stats-proportion-seg${isActive ? ' is-active' : ''}"
             data-tool-name="${escapeHtml(s.name)}" data-pct="${s.pct}" data-calls="${s.calls}" data-is-others="0"
             role="button" tabindex="0" aria-label="${escapeHtml(segAria)}"
@@ -4695,7 +4718,8 @@ function renderMcpStatsToolsPanel(topTools, totals, activeToolFilter = '') {
 
     const maxCalls = Math.max(1, ...topTools.map((t) => t.totalCalls || 0));
     const listHtml = topTools.map((tool, index) => {
-        const name = tool.toolName || unknownToolLabel;
+        const rawName = tool.toolName || unknownToolLabel;
+        const name = formatMonitorToolName(rawName);
         const total = tool.totalCalls || 0;
         const success = tool.successCalls || 0;
         const failed = tool.failedCalls || 0;
@@ -4704,7 +4728,7 @@ function renderMcpStatsToolsPanel(topTools, totals, activeToolFilter = '') {
         const sharePct = totals.total > 0 ? ((total / totals.total) * 100).toFixed(1) : '0.0';
         const color = MCP_STATS_DIST_COLORS[index % MCP_STATS_DIST_COLORS.length];
         const barPct = maxCalls > 0 ? ((total / maxCalls) * 100).toFixed(1) : '0';
-        const isActive = activeToolFilter && activeToolFilter === name;
+        const isActive = activeToolFilter && monitorToolNamesEqual(activeToolFilter, rawName);
         const rateClass = getMcpToolRateClass(toolRateNum);
         const rankClass = index === 0 ? ' rank-1' : index === 1 ? ' rank-2' : index === 2 ? ' rank-3' : '';
         const rowAria = mcpMonitorT('toolRowAriaLabel', { name, total, rate: toolRate })
@@ -4713,7 +4737,7 @@ function renderMcpStatsToolsPanel(topTools, totals, activeToolFilter = '') {
             ? `<span class="mcp-stats-tool-item__fail">${escapeHtml(mcpMonitorT('failedCount', { n: failed }) || `失败 ${failed}`)}</span>`
             : '';
         return `<li class="mcp-stats-tool-item${isActive ? ' is-active' : ''}"
-            data-tool-name="${escapeHtml(name)}" tabindex="0" role="button"
+            data-tool-name="${escapeHtml(rawName)}" tabindex="0" role="button"
             aria-label="${escapeHtml(rowAria)}" aria-pressed="${isActive ? 'true' : 'false'}">
             <span class="mcp-stats-tool-item__rank mcp-stats-rank${rankClass}">${index + 1}</span>
             <span class="mcp-stats-tool-item__dot" style="background:${color}" aria-hidden="true"></span>
@@ -4947,7 +4971,7 @@ function renderMonitorExecutions(executions = [], statusFilter = 'all') {
             const statusLabel = (typeof window.t === 'function' && statusKey) ? window.t('mcpMonitor.' + statusKey) : getStatusText(status);
             const startTime = exec.startTime ? (new Date(exec.startTime).toLocaleString ? new Date(exec.startTime).toLocaleString(locale || 'en-US') : String(exec.startTime)) : unknownLabel;
             const duration = formatExecutionDuration(exec.startTime, exec.endTime);
-            const toolName = escapeHtml(exec.toolName || unknownToolLabel);
+            const toolName = escapeHtml(formatMonitorToolName(exec.toolName) || unknownToolLabel);
             const rawExecId = exec.id || '';
             const executionId = escapeHtml(rawExecId);
             const terminateBtn = status === 'running'
diff --git a/web/static/js/router.js b/web/static/js/router.js
index b9b5b7b5..2e18373b 100644
--- a/web/static/js/router.js
+++ b/web/static/js/router.js
@@ -315,6 +315,9 @@ function showSubmenuPopup(navItem, menuId) {
 async function initPage(pageId) {
     // 等待 i18n 就绪，避免快速刷新时翻译函数未初始化导致页面显示原始占位符 key
     if (window.i18nReady) await window.i18nReady;
+    if (typeof stopExternalMcpPoll === 'function') {
+        stopExternalMcpPoll();
+    }
     switch(pageId) {
         case 'dashboard':
             if (typeof refreshDashboard === 'function') {
@@ -372,21 +375,26 @@ async function initPage(pageId) {
                     }, 100);
                 }
             };
-            // 先拉取全局配置，确保 tool_search 常驻状态按后端生效集合展示
+            const afterMcpConfigReady = () => {
+                startLoadMcpTools();
+                if (typeof loadExternalMCPs === 'function') {
+                    loadExternalMCPs().catch(err => {
+                        console.warn('加载外部MCP列表失败:', err);
+                    });
+                }
+                if (typeof startExternalMcpPoll === 'function') {
+                    startExternalMcpPoll();
+                }
+            };
+            // 先拉取配置（含 tool_search 常驻列表），再加载工具与外部 MCP
             if (typeof loadConfig === 'function') {
                 loadConfig(false)
                     .catch(err => {
-                        console.warn('加载配置失败（将继续加载工具列表）:', err);
+                        console.warn('加载配置失败（将继续加载 MCP 列表）:', err);
                     })
-                    .finally(startLoadMcpTools);
+                    .finally(afterMcpConfigReady);
             } else {
-                startLoadMcpTools();
-            }
-            // 先加载外部MCP列表（快速），然后加载工具列表
-            if (typeof loadExternalMCPs === 'function') {
-                loadExternalMCPs().catch(err => {
-                    console.warn('加载外部MCP列表失败:', err);
-                });
+                afterMcpConfigReady();
             }
             break;
         case 'projects':
diff --git a/web/static/js/settings.js b/web/static/js/settings.js
index d94c38d0..22b23cdb 100644
--- a/web/static/js/settings.js
+++ b/web/static/js/settings.js
@@ -16,6 +16,96 @@ function getToolKey(tool) {
     }
     return tool.name;
 }
+
+// 常驻工具配置存储键（外部工具用 mcp::tool，与后端 tool_search 白名单一致）
+function getAlwaysVisibleStorageKey(tool) {
+    return getToolKey(tool);
+}
+
+function addAlwaysVisibleAliases(name) {
+    const n = (name || '').trim();
+    if (!n) return;
+    alwaysVisibleToolNames.add(n);
+    if (n.includes('::')) {
+        const sep = n.indexOf('::');
+        const mcp = n.slice(0, sep);
+        const tool = n.slice(sep + 2);
+        if (mcp && tool) {
+            alwaysVisibleToolNames.add(`${mcp}__${tool}`);
+        }
+        return;
+    }
+    if (n.includes('__')) {
+        const sep = n.lastIndexOf('__');
+        const mcp = n.slice(0, sep);
+        const tool = n.slice(sep + 2);
+        if (mcp && tool) {
+            alwaysVisibleToolNames.add(`${mcp}::${tool}`);
+        }
+    }
+}
+
+function removeAlwaysVisibleAliases(name) {
+    const n = (name || '').trim();
+    if (!n) return;
+    alwaysVisibleToolNames.delete(n);
+    if (n.includes('::')) {
+        const sep = n.indexOf('::');
+        const mcp = n.slice(0, sep);
+        const tool = n.slice(sep + 2);
+        if (mcp && tool) {
+            alwaysVisibleToolNames.delete(`${mcp}__${tool}`);
+        }
+        return;
+    }
+    if (n.includes('__')) {
+        const sep = n.lastIndexOf('__');
+        const mcp = n.slice(0, sep);
+        const tool = n.slice(sep + 2);
+        if (mcp && tool) {
+            alwaysVisibleToolNames.delete(`${mcp}::${tool}`);
+        }
+    }
+}
+
+function isToolAlwaysVisible(tool) {
+    const key = getAlwaysVisibleStorageKey(tool);
+    if (alwaysVisibleToolNames.has(key)) return true;
+    if (alwaysVisibleToolNames.has(tool.name)) return true;
+    if (tool.is_external && tool.external_mcp) {
+        if (alwaysVisibleToolNames.has(`${tool.external_mcp}__${tool.name}`)) return true;
+    }
+    return false;
+}
+
+function isToolAlwaysVisibleBuiltin(tool) {
+    if (alwaysVisibleBuiltinToolNames.has(tool.name)) return true;
+    return alwaysVisibleBuiltinToolNames.has(getAlwaysVisibleStorageKey(tool));
+}
+
+function getAlwaysVisibleForSave() {
+    const out = new Set();
+    for (const name of alwaysVisibleToolNames) {
+        if (alwaysVisibleBuiltinToolNames.has(name)) continue;
+        if (name.includes('::')) {
+            out.add(name);
+            continue;
+        }
+        if (name.includes('__')) {
+            const sep = name.lastIndexOf('__');
+            const mcp = name.slice(0, sep);
+            const tool = name.slice(sep + 2);
+            if (mcp && tool) out.add(`${mcp}::${tool}`);
+            continue;
+        }
+        out.add(name);
+    }
+    return Array.from(out);
+}
+
+function countUserAlwaysVisibleTools() {
+    return getAlwaysVisibleForSave().length;
+}
 // 从localStorage读取每页显示数量，默认为20
 const getToolsPageSize = () => {
     const saved = localStorage.getItem('toolsPageSize');
@@ -158,14 +248,21 @@ async function loadConfig(loadTools = true) {
         }
         
         currentConfig = await response.json();
-        const alwaysVisibleList = currentConfig?.multi_agent?.tool_search_always_visible_effective_tools;
         const alwaysVisibleConfigured = currentConfig?.multi_agent?.tool_search_always_visible_tools;
-        alwaysVisibleToolNames = new Set(Array.isArray(alwaysVisibleList) ? alwaysVisibleList.filter(Boolean) : []);
-        alwaysVisibleBuiltinToolNames = new Set(
-            alwaysVisibleToolNames.size > 0 && Array.isArray(alwaysVisibleConfigured)
-                ? Array.from(alwaysVisibleToolNames).filter(name => !alwaysVisibleConfigured.includes(name))
-                : []
-        );
+        const alwaysVisibleEffective = currentConfig?.multi_agent?.tool_search_always_visible_effective_tools;
+        alwaysVisibleToolNames = new Set();
+        if (Array.isArray(alwaysVisibleConfigured)) {
+            alwaysVisibleConfigured.filter(Boolean).forEach(addAlwaysVisibleAliases);
+        }
+        alwaysVisibleBuiltinToolNames = new Set();
+        if (Array.isArray(alwaysVisibleEffective)) {
+            const configuredSet = new Set(Array.isArray(alwaysVisibleConfigured) ? alwaysVisibleConfigured : []);
+            alwaysVisibleEffective.filter(Boolean).forEach(name => {
+                if (!configuredSet.has(name)) {
+                    alwaysVisibleBuiltinToolNames.add(name);
+                }
+            });
+        }
         
         // 填充OpenAI配置
         const providerEl = document.getElementById('openai-provider');
@@ -634,8 +731,8 @@ function renderToolsList() {
             is_external: tool.is_external || false,
             external_mcp: tool.external_mcp || ''
         };
-        const alwaysVisibleChecked = alwaysVisibleToolNames.has(tool.name);
-        const alwaysVisibleLocked = alwaysVisibleBuiltinToolNames.has(tool.name);
+        const alwaysVisibleChecked = isToolAlwaysVisible(tool);
+        const alwaysVisibleLocked = isToolAlwaysVisibleBuiltin(tool);
         
         // 外部工具标签，显示来源信息（可点击跳转到对应 MCP 卡片）
         let externalBadge = '';
@@ -660,7 +757,7 @@ function renderToolsList() {
                     ${escapeHtml(tool.name)}
                     ${externalBadge}
                     <label class="tool-resident-toggle" title="${typeof window.t === 'function' ? window.t('mcp.alwaysVisibleHint') : '始终常驻在 Tool Search 可见列表'}" onclick="event.stopPropagation()">
-                        <input type="checkbox" ${alwaysVisibleChecked ? 'checked' : ''} ${alwaysVisibleLocked ? 'disabled' : ''} onchange="handleToolAlwaysVisibleChange('${escapeHtml(tool.name)}', this.checked)" />
+                        <input type="checkbox" ${alwaysVisibleChecked ? 'checked' : ''} ${alwaysVisibleLocked ? 'disabled' : ''} onchange="handleToolAlwaysVisibleChange('${escapeHtml(toolKey)}', this.checked)" />
                         <span>${typeof window.t === 'function' ? window.t('mcp.alwaysVisibleLabel') : '常驻'}</span>
                     </label>
                     ${alwaysVisibleLocked ? `<span class="external-tool-badge" title="${typeof window.t === 'function' ? window.t('mcp.alwaysVisibleBuiltinHint') : '后端内置工具默认常驻，不可关闭'}">${typeof window.t === 'function' ? window.t('mcp.alwaysVisibleBuiltinLabel') : '内置默认'}</span>` : ''}
@@ -946,14 +1043,15 @@ function handleToolCheckboxChange(toolKey, enabled) {
     updateToolsStats();
 }
 
-function handleToolAlwaysVisibleChange(toolName, alwaysVisible) {
-    const name = (toolName || '').trim();
-    if (!name) return;
+function handleToolAlwaysVisibleChange(toolKey, alwaysVisible) {
+    const key = (toolKey || '').trim();
+    if (!key) return;
     if (alwaysVisible) {
-        alwaysVisibleToolNames.add(name);
+        addAlwaysVisibleAliases(key);
     } else {
-        alwaysVisibleToolNames.delete(name);
+        removeAlwaysVisibleAliases(key);
     }
+    updateToolsStats();
 }
 
 // 全选工具
@@ -1088,7 +1186,7 @@ async function updateToolsStats() {
     }
     
     const tStats = typeof window.t === 'function' ? window.t : (k) => k;
-    const pinnedCount = alwaysVisibleToolNames.size;
+    const pinnedCount = countUserAlwaysVisibleTools();
     statsEl.innerHTML = `
         <span title="${tStats('mcp.currentPageEnabled')}">✅ ${tStats('mcp.currentPageEnabled')}: <strong>${currentPageEnabled}</strong> / ${currentPageTotal}</span>
         <span title="${tStats('mcp.totalEnabled')}">📊 ${tStats('mcp.totalEnabled')}: <strong>${totalEnabled}</strong> / ${totalTools}</span>
@@ -1596,7 +1694,7 @@ async function saveToolsConfig() {
                 robot_default_agent_mode: currentConfig?.multi_agent?.robot_default_agent_mode || 'eino_single',
                 batch_use_multi_agent: currentConfig?.multi_agent?.batch_use_multi_agent === true,
                 plan_execute_loop_max_iterations: Number(currentConfig?.multi_agent?.plan_execute_loop_max_iterations || 0),
-                tool_search_always_visible_tools: Array.from(alwaysVisibleToolNames).filter(name => !alwaysVisibleBuiltinToolNames.has(name))
+                tool_search_always_visible_tools: getAlwaysVisibleForSave()
             },
             tools: []
         };
@@ -1793,6 +1891,32 @@ async function fetchExternalMCPs() {
     return response.json();
 }
 
+// MCP 管理页定时刷新外部 MCP 状态（感知后台断连/自动重连）
+let externalMcpPollTimer = null;
+const EXTERNAL_MCP_POLL_INTERVAL_MS = 8000;
+
+function startExternalMcpPoll() {
+    stopExternalMcpPoll();
+    externalMcpPollTimer = setInterval(function () {
+        const mcpPage = document.getElementById('page-mcp-management');
+        if (!mcpPage || !mcpPage.classList.contains('active')) {
+            stopExternalMcpPoll();
+            return;
+        }
+        if (document.hidden) {
+            return;
+        }
+        loadExternalMCPs().catch(function () { /* ignore */ });
+    }, EXTERNAL_MCP_POLL_INTERVAL_MS);
+}
+
+function stopExternalMcpPoll() {
+    if (externalMcpPollTimer) {
+        clearInterval(externalMcpPollTimer);
+        externalMcpPollTimer = null;
+    }
+}
+
 // 加载外部MCP列表并渲染
 async function loadExternalMCPs() {
     try {
@@ -1898,9 +2022,9 @@ function renderExternalMCPList(servers) {
                         <button class="btn-small btn-danger" onclick="deleteExternalMCP('${escapeHtml(name)}')" title="${statusT('mcp.deleteConfig')}" ${status === 'connecting' ? 'disabled' : ''}>🗑 ${statusT('common.delete')}</button>
                     </div>
                 </div>
-                ${status === 'error' && server.error ? `
-                <div class="external-mcp-error" style="margin: 12px 0; padding: 12px; background: #fee; border-left: 3px solid #f44; border-radius: 4px; color: #c33; font-size: 0.875rem;">
-                    <strong>❌ ${statusT('mcp.connectionErrorLabel')}</strong>${escapeHtml(server.error)}
+                ${(status === 'error' || status === 'disconnected') && server.error ? `
+                <div class="external-mcp-error" style="margin: 12px 0; padding: 12px; background: ${status === 'error' ? '#fee' : '#fff8e6'}; border-left: 3px solid ${status === 'error' ? '#f44' : '#e6a700'}; border-radius: 4px; color: ${status === 'error' ? '#c33' : '#8a6d00'}; font-size: 0.875rem;">
+                    <strong>${status === 'error' ? '❌' : '⚠️'} ${statusT('mcp.connectionErrorLabel')}</strong>${escapeHtml(server.error)}
                 </div>` : ''}
                 <div class="external-mcp-item-details">
                     <div>