diff --git a/packages/components/nodes/agents/AutoGPT/AutoGPT.ts b/packages/components/nodes/agents/AutoGPT/AutoGPT.ts
index a9314f791..17318eb0b 100644
--- a/packages/components/nodes/agents/AutoGPT/AutoGPT.ts
+++ b/packages/components/nodes/agents/AutoGPT/AutoGPT.ts
@@ -66,7 +66,8 @@ class AutoGPT_Agents implements INode {
     async init(nodeData: INodeData): Promise<any> {
         const model = nodeData.inputs?.model as BaseChatModel
         const vectorStoreRetriever = nodeData.inputs?.vectorStoreRetriever as VectorStoreRetriever
-        const tools = nodeData.inputs?.tools as Tool[]
+        let tools = nodeData.inputs?.tools as Tool[]
+        tools = tools.flat()
         const aiName = (nodeData.inputs?.aiName as string) || 'AutoGPT'
         const aiRole = (nodeData.inputs?.aiRole as string) || 'Assistant'
         const maxLoop = nodeData.inputs?.maxLoop as string
diff --git a/packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts b/packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts
index 90a557823..76ceba056 100644
--- a/packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts
+++ b/packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts
@@ -62,7 +62,8 @@ class ConversationalAgent_Agents implements INode {
 
     async init(nodeData: INodeData): Promise<any> {
         const model = nodeData.inputs?.model as BaseChatModel
-        const tools = nodeData.inputs?.tools as Tool[]
+        let tools = nodeData.inputs?.tools as Tool[]
+        tools = tools.flat()
         const memory = nodeData.inputs?.memory as BaseChatMemory
         const humanMessage = nodeData.inputs?.humanMessage as string
         const systemMessage = nodeData.inputs?.systemMessage as string
diff --git a/packages/components/nodes/agents/MRKLAgentChat/MRKLAgentChat.ts b/packages/components/nodes/agents/MRKLAgentChat/MRKLAgentChat.ts
index 1a619e6ac..01a85889b 100644
--- a/packages/components/nodes/agents/MRKLAgentChat/MRKLAgentChat.ts
+++ b/packages/components/nodes/agents/MRKLAgentChat/MRKLAgentChat.ts
@@ -39,7 +39,8 @@ class MRKLAgentChat_Agents implements INode {
 
     async init(nodeData: INodeData): Promise<any> {
         const model = nodeData.inputs?.model as BaseChatModel
-        const tools = nodeData.inputs?.tools as Tool[]
+        let tools = nodeData.inputs?.tools as Tool[]
+        tools = tools.flat()
         const executor = await initializeAgentExecutorWithOptions(tools, model, {
             agentType: 'chat-zero-shot-react-description',
             verbose: true
diff --git a/packages/components/nodes/agents/MRKLAgentLLM/MRKLAgentLLM.ts b/packages/components/nodes/agents/MRKLAgentLLM/MRKLAgentLLM.ts
index f0bf54c00..c092fc17e 100644
--- a/packages/components/nodes/agents/MRKLAgentLLM/MRKLAgentLLM.ts
+++ b/packages/components/nodes/agents/MRKLAgentLLM/MRKLAgentLLM.ts
@@ -26,7 +26,7 @@ class MRKLAgentLLM_Agents implements INode {
             {
                 label: 'Allowed Tools',
                 name: 'tools',
-                type: 'Tool' || 'Tool[]',
+                type: 'Tool',
                 list: true
             },
             {
@@ -39,8 +39,9 @@ class MRKLAgentLLM_Agents implements INode {
 
     async init(nodeData: INodeData): Promise<any> {
         const model = nodeData.inputs?.model as BaseLLM
-        const tools = nodeData.inputs?.tools as Tool[]
-        console.log(`something about tools: ${JSON.stringify(tools)}`)
+        let tools = nodeData.inputs?.tools as Tool[]
+        tools = tools.flat()
+
         const executor = await initializeAgentExecutorWithOptions(tools, model, {
             agentType: 'zero-shot-react-description',
             verbose: true
diff --git a/packages/components/nodes/tools/ZapierNLA/ZapierNLA.ts b/packages/components/nodes/tools/ZapierNLA/ZapierNLA.ts
index d38da20a5..849f5946d 100644
--- a/packages/components/nodes/tools/ZapierNLA/ZapierNLA.ts
+++ b/packages/components/nodes/tools/ZapierNLA/ZapierNLA.ts
@@ -1,7 +1,6 @@
 import { ZapierNLAWrapper, ZapiterNLAWrapperParams } from 'langchain/tools'
 import { INode, INodeData, INodeParams } from '../../../src/Interface'
-import { getBaseClasses } from '../../../src/utils'
-import { ZapierToolKit, createSqlAgent } from 'langchain/agents'
+import { ZapierToolKit } from 'langchain/agents'
 
 class ZapierNLA_Tools implements INode {
     label: string
@@ -19,7 +18,7 @@ class ZapierNLA_Tools implements INode {
         this.type = 'ZapierNLA'
         this.icon = 'zapier.png'
         this.category = 'Tools'
-        this.description = 'Access to apps and actions on Zapier&#39;s platform through a natural language API interface'
+        this.description = "Access to apps and actions on Zapier's platform through a natural language API interface"
         this.inputs = [
             {
                 label: 'Zapier NLA Api Key',
@@ -27,7 +26,7 @@ class ZapierNLA_Tools implements INode {
                 type: 'password'
             }
         ]
-        this.baseClasses = [this.type, ...getBaseClasses(ZapierNLAWrapper)]
+        this.baseClasses = [this.type, 'Tool']
     }
 
     async init(nodeData: INodeData): Promise<any> {