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Why Passing Full Context Between Agents Fails

Fazm Team··2 min read
multi-agentagent-handoffcontext-managementai-orchestrationparallel-agents

Why Passing Full Context Between Agents Fails

The hardest part of multi-agent workflows is not getting agents to do work. It is handing off work between them without losing critical information or creating confusion.

The Latching Problem

When you pass full context from one agent to another - the complete conversation history, all the decisions made, the current state of everything - the receiving agent latches onto whatever was emphasized most recently or whatever seems most salient to its model.

The subtle constraint mentioned on page two of the handoff? Ignored. The edge case discussed early in the conversation? Forgotten. The receiving agent builds its understanding from what looks important, not from what is actually important.

Why This Happens

LLMs process context with attention mechanisms that naturally weight recent and prominent information more heavily. A long context dump means:

  • Recent messages dominate - the agent treats the last few exchanges as the most important
  • Bold or repeated items get attention - formatting affects understanding
  • Nuanced constraints get lost - especially if they were mentioned once without emphasis
  • Contradictions get resolved arbitrarily - if the context contains conflicting info, the agent picks one

What Works Instead

Structured handoffs with explicit sections work better than raw context dumps:

  • Current state - what has been done, what is pending, in a bulleted list
  • Constraints - non-negotiable requirements, listed prominently
  • Decisions made - key choices and why they were made
  • Next steps - exactly what the receiving agent should do first

Keep handoff documents short. If the receiving agent needs background, point it to specific files rather than dumping the full history.

The Practical Rule

Treat agent handoffs like onboarding a new team member. You would not dump six months of Slack history on them. You would write a concise brief with what they need to know right now.

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Fazm is an open source macOS AI agent. Open source on GitHub.

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