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fix(AI Agent Node): Add binary message before scratchpad to prevent tool calling loops (#11845)

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jeanpaul
2024-11-22 13:47:43 +01:00
committed by GitHub
parent adf026c201
commit 5c80cb57cf
1 changed files with 3 additions and 1 deletions
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4
packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/ToolsAgent/execute.ts
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@@ -258,7 +258,6 @@ export async function toolsAgentExecute(this: IExecuteFunctions): Promise<INodeE
['system', `{system_message}${outputParser ? '\n\n{formatting_instructions}' : ''}`], ['system', `{system_message}${outputParser ? '\n\n{formatting_instructions}' : ''}`],
['placeholder', '{chat_history}'], ['placeholder', '{chat_history}'],
['human', '{input}'], ['human', '{input}'],
['placeholder', '{agent_scratchpad}'],
]; ];
const hasBinaryData = this.getInputData(0, 'main')?.[0]?.binary !== undefined; const hasBinaryData = this.getInputData(0, 'main')?.[0]?.binary !== undefined;
@@ -266,6 +265,9 @@ export async function toolsAgentExecute(this: IExecuteFunctions): Promise<INodeE
const binaryMessage = await extractBinaryMessages(this); const binaryMessage = await extractBinaryMessages(this);
messages.push(binaryMessage); messages.push(binaryMessage);
} }
// We add the agent scratchpad last, so that the agent will not run in loops
// by adding binary messages between each interaction
messages.push(['placeholder', '{agent_scratchpad}']);
const prompt = ChatPromptTemplate.fromMessages(messages); const prompt = ChatPromptTemplate.fromMessages(messages);
const agent = createToolCallingAgent({ const agent = createToolCallingAgent({