how-to-guide

How to Implement Loop Nodes in Archon to Iterate Until Completion Signals Are Received

April 10, 2026 coleam00/Archon ↗

Archon workflow engine supports loop nodes that repeatedly execute AI prompts until a predefined completion signal (such as <<DONE>> or a custom regex pattern) is detected in the assistant's response.

Archon’s DAG-based workflow engine provides first-class support for loop nodes that enable AI-driven iteration cycles within your automation pipelines. These nodes are defined in workflow YAML configurations and processed by a dedicated Loop Executor that manages while-style control flow until explicit termination criteria are satisfied. Understanding how to implement loop nodes in Archon allows you to build autonomous refinement workflows for

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