diff --git a/api/package.json b/api/package.json
index fa06fc0432..bc212227d3 100644
--- a/api/package.json
+++ b/api/package.json
@@ -44,7 +44,7 @@
     "@google/genai": "^1.19.0",
     "@keyv/redis": "^4.3.3",
     "@langchain/core": "^0.3.80",
-    "@librechat/agents": "^3.1.45",
+    "@librechat/agents": "^3.1.50",
     "@librechat/api": "*",
     "@librechat/data-schemas": "*",
     "@microsoft/microsoft-graph-client": "^3.0.7",
diff --git a/api/server/controllers/agents/callbacks.js b/api/server/controllers/agents/callbacks.js
index 163fc4ebba..0bb935795d 100644
--- a/api/server/controllers/agents/callbacks.js
+++ b/api/server/controllers/agents/callbacks.js
@@ -1,22 +1,13 @@
 const { nanoid } = require('nanoid');
-const { Constants } = require('@librechat/agents');
 const { logger } = require('@librechat/data-schemas');
+const { Constants, EnvVar, GraphEvents, ToolEndHandler } = require('@librechat/agents');
+const { Tools, StepTypes, FileContext, ErrorTypes } = require('librechat-data-provider');
 const {
   sendEvent,
   GenerationJobManager,
   writeAttachmentEvent,
   createToolExecuteHandler,
 } = require('@librechat/api');
-const { Tools, StepTypes, FileContext, ErrorTypes } = require('librechat-data-provider');
-const {
-  EnvVar,
-  Providers,
-  GraphEvents,
-  getMessageId,
-  ToolEndHandler,
-  handleToolCalls,
-  ChatModelStreamHandler,
-} = require('@librechat/agents');
 const { processFileCitations } = require('~/server/services/Files/Citations');
 const { processCodeOutput } = require('~/server/services/Files/Code/process');
 const { loadAuthValues } = require('~/server/services/Tools/credentials');
@@ -57,8 +48,6 @@ class ModelEndHandler {
     let errorMessage;
     try {
       const agentContext = graph.getAgentContext(metadata);
-      const isGoogle = agentContext.provider === Providers.GOOGLE;
-      const streamingDisabled = !!agentContext.clientOptions?.disableStreaming;
       if (data?.output?.additional_kwargs?.stop_reason === 'refusal') {
         const info = { ...data.output.additional_kwargs };
         errorMessage = JSON.stringify({
@@ -73,21 +62,6 @@ class ModelEndHandler {
         });
       }
 
-      const toolCalls = data?.output?.tool_calls;
-      let hasUnprocessedToolCalls = false;
-      if (Array.isArray(toolCalls) && toolCalls.length > 0 && graph?.toolCallStepIds?.has) {
-        try {
-          hasUnprocessedToolCalls = toolCalls.some(
-            (tc) => tc?.id && !graph.toolCallStepIds.has(tc.id),
-          );
-        } catch {
-          hasUnprocessedToolCalls = false;
-        }
-      }
-      if (isGoogle || streamingDisabled || hasUnprocessedToolCalls) {
-        await handleToolCalls(toolCalls, metadata, graph);
-      }
-
       const usage = data?.output?.usage_metadata;
       if (!usage) {
         return this.finalize(errorMessage);
@@ -98,38 +72,6 @@ class ModelEndHandler {
       }
 
       this.collectedUsage.push(usage);
-      if (!streamingDisabled) {
-        return this.finalize(errorMessage);
-      }
-      if (!data.output.content) {
-        return this.finalize(errorMessage);
-      }
-      const stepKey = graph.getStepKey(metadata);
-      const message_id = getMessageId(stepKey, graph) ?? '';
-      if (message_id) {
-        await graph.dispatchRunStep(stepKey, {
-          type: StepTypes.MESSAGE_CREATION,
-          message_creation: {
-            message_id,
-          },
-        });
-      }
-      const stepId = graph.getStepIdByKey(stepKey);
-      const content = data.output.content;
-      if (typeof content === 'string') {
-        await graph.dispatchMessageDelta(stepId, {
-          content: [
-            {
-              type: 'text',
-              text: content,
-            },
-          ],
-        });
-      } else if (content.every((c) => c.type?.startsWith('text'))) {
-        await graph.dispatchMessageDelta(stepId, {
-          content,
-        });
-      }
     } catch (error) {
       logger.error('Error handling model end event:', error);
       return this.finalize(errorMessage);
@@ -200,7 +142,6 @@ function getDefaultHandlers({
   const handlers = {
     [GraphEvents.CHAT_MODEL_END]: new ModelEndHandler(collectedUsage),
     [GraphEvents.TOOL_END]: new ToolEndHandler(toolEndCallback, logger),
-    [GraphEvents.CHAT_MODEL_STREAM]: new ChatModelStreamHandler(),
     [GraphEvents.ON_RUN_STEP]: {
       /**
        * Handle ON_RUN_STEP event.
diff --git a/package-lock.json b/package-lock.json
index b1af66176a..b3c2b41593 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -59,7 +59,7 @@
         "@google/genai": "^1.19.0",
         "@keyv/redis": "^4.3.3",
         "@langchain/core": "^0.3.80",
-        "@librechat/agents": "^3.1.45",
+        "@librechat/agents": "^3.1.50",
         "@librechat/api": "*",
         "@librechat/data-schemas": "*",
         "@microsoft/microsoft-graph-client": "^3.0.7",
@@ -11208,9 +11208,9 @@
       }
     },
     "node_modules/@librechat/agents": {
-      "version": "3.1.45",
-      "resolved": "https://registry.npmjs.org/@librechat/agents/-/agents-3.1.45.tgz",
-      "integrity": "sha512-izapt5PScVF52xhDH5N5uzCbjK1BMaGsUiKFNVeO20AjDWul+ipDm5zWmXnfX4veD8YHqY5rPnRU0oAecljZIg==",
+      "version": "3.1.50",
+      "resolved": "https://registry.npmjs.org/@librechat/agents/-/agents-3.1.50.tgz",
+      "integrity": "sha512-+gdfUJ7X3PJ20/c+8lETY68D6QpxFlCIlGUQBF4A8VKv+Po9J/TO5rWE+OmzmPByYpye7GrcxVCBLfRTvZKraw==",
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.73.0",
@@ -42205,7 +42205,7 @@
         "@google/genai": "^1.19.0",
         "@keyv/redis": "^4.3.3",
         "@langchain/core": "^0.3.80",
-        "@librechat/agents": "^3.1.45",
+        "@librechat/agents": "^3.1.50",
         "@librechat/data-schemas": "*",
         "@modelcontextprotocol/sdk": "^1.26.0",
         "@smithy/node-http-handler": "^4.4.5",
diff --git a/packages/api/package.json b/packages/api/package.json
index 5ee9e3bb70..107a660315 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -87,7 +87,7 @@
     "@google/genai": "^1.19.0",
     "@keyv/redis": "^4.3.3",
     "@langchain/core": "^0.3.80",
-    "@librechat/agents": "^3.1.45",
+    "@librechat/agents": "^3.1.50",
     "@librechat/data-schemas": "*",
     "@modelcontextprotocol/sdk": "^1.26.0",
     "@smithy/node-http-handler": "^4.4.5",