refactor: rename direct tools to MCP tools across the codebase for consistency

web/messages/en-US.json

@@ -1049,7 +1049,7 @@
     "loadTeamsFailed": "Could not load support teams.",
     "loadKnowledgeFailed": "Could not load knowledge bases.",
     "loadSkillsFailed": "Could not load skills.",
-    "loadDirectToolsFailed": "Could not load Direct Tools.",
+    "loadMCPToolsFailed": "Could not load MCP Tools.",
     "builtinTools": "Built-in tools",
     "ungrouped": "Ungrouped",
     "notSelected": "Not selected",
@@ -1090,7 +1090,7 @@
     "sectionCapabilities": "Capabilities",
     "knowledgeTab": "Knowledge",
     "skillsTab": "Skills",
-    "directToolsTab": "MCP tools",
+    "mcpToolsTab": "MCP Tools",
     "knowledgeHint": "Select at least one knowledge base. You can adjust priority order.",
     "selectKnowledge": "Select and add knowledge base",
     "searchKnowledge": "Search knowledge bases",
@@ -1109,15 +1109,15 @@
     "emptySkill": "No skills available",
     "noSkillsHint": "Without skills, routing only uses knowledge bases or human handoff.",
     "removeSkill": "Remove skill {name}",
-    "directToolsHint": "Use only for low-risk atomic lookups through external MCP tools.",
+    "mcpToolsHint": "Select the MCP Tools this Agent is allowed to call.",
     "selectToolGroup": "Select tool group",
     "searchToolGroup": "Search tool groups",
     "emptyToolGroup": "No tool groups available",
-    "selectDirectTool": "Select Direct Tool",
-    "searchDirectTool": "Search Direct Tools",
-    "emptyDirectTool": "No Direct Tools available",
-    "noDirectToolsHint": "Without Direct Tools, the agent will not call external or built-in tools directly. It will rely on knowledge bases, skills, and normal replies.",
-    "removeDirectTool": "Remove Direct Tool {name}"
+    "selectMCPTool": "Select MCP Tool",
+    "searchMCPTool": "Search MCP Tools",
+    "emptyMCPTool": "No MCP Tools available",
+    "noMCPToolsHint": "Without MCP Tools, the Agent will not call external MCP Tools.",
+    "removeMCPTool": "Remove MCP Tool {name}"
   },
   "aiConfig": {
     "allStatuses": "All statuses",