Developer shares practice of using topological maps to debug multi-agent workflows

On 2026-11-11 06:48, DEV Community · AI published a practitioner write-up titled "Developer Tests: Using Topology Diagrams to Locate Multi-Agent Workflow Failures". The author describes a familiar habit: sketching a multi-agent workflow in a config file, listing the agents, the order they run, and which one hands off to which, then calling it done. The file reads cleanly, but it also hides the part that actually breaks. According to the author, the failures kept hitting never occurred inside a single agent. Instead they emerged in handoffs: agent three returned something slightly off-spec, agent four retried it with a stale context, and the whole run drifted into a state nobody had written down. By contrast, topology mapping is presented as a way to visualize those interactions, making it easier to replay the execution path of a complex task and surface the state drift and hidden errors that static config files leave out of view. This article is a single firsthand account rather than a benchmark or a shipped tool, and it stops at the point where the author explains the failure mode, without covering what happens next.