Multi-Agent Failure Modes
A Practical Guide to Context, Tools, Dependencies, and Evaluation
By
Tenten AI FDE Team
Systems Architecture
Published
Updated
Read time
7 min
Abstract
Multi-agent workflows can lose context, repeat tool actions, wait on unresolved dependencies or drift from the task. This guide covers four practical checks using illustrative scenarios.
The discussion draws on Cognition’s June 2025 argument, its April 2026 update, and MAST research, version 3. These sources inform the design guidance; the four checks are not an exhaustive failure taxonomy.
The target reader is a senior engineer or technical lead who has built or is building a multi-agent system and wants to understand what can go wrong before it goes wrong in production.
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