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Fixing the Agent Handoff Problem in LlamaIndex’s AgentWorkflow System

The position bias in LLMs is the root cause of the problem

Peng Qian
13 min readApr 10, 2025

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Fixing the Agent Handoff Problem in LlamaIndex’s AgentWorkflow System.
Fixing the Agent Handoff Problem in LlamaIndex’s AgentWorkflow System. Image by DALL-E-3

LlamaIndex AgentWorkflow, as a brand-new multi-agent orchestration framework, still has some shortcomings. The most significant issue is that after an agent hands off control, the receiving agent fails to continue responding to user requests, causing the workflow to halt.]

In today’s article, I’ll explore several experimental solutions to this problem with you and discuss the root cause behind it: the positional bias issue in LLMs.

I’ve included all relevant source code at the end of this article. Feel free to read or modify it without needing my permission.

Introduction

My team and I have been experimenting with LlamaIndex AgentWorkflow recently. After some localization adaptations, we hope this framework can eventually run in our production system.

During the adaptation, we encountered many obstacles. I’ve documented these problem-solving experiences in my article series. You might want to read them first to understand the full context.

Today, I’ll address the issue where after the on-duty agent hands off control to the next…

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Data Science Collective
Data Science Collective

Published in Data Science Collective

Advice, insights, and ideas from the Medium data science community

Peng Qian
Peng Qian

Written by Peng Qian

Formerly a senior data scientist at Alibaba, now the chief data architect at a major investment bank. Visit: https://www.dataleadsfuture.com/#/portal

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