Show HN: Millrace, a framework for building multi-step governed loops

Category: infrastructure

Tags: workflow-orchestration, agentic-workflows, python

Score: 6.0/10 (Innovation: 6, Technical: 7, Documentation: 6, Utility: 5)

Millrace is a local runtime for governed, long-running agentic workflows that emphasizes sequential orchestration and runtime-owned state over parallelization. It compiles workflow graphs, stage contracts, and recovery rules into a single inspectable plan, enabling durable, auditable, and restartable AI-assisted software work. Its opinionated design and focus on runtime truth rather than workflow recipes offer a novel approach to managing complex agent loops.

Target audience: backend devs, devops, ai-engineers

Repository: https://github.com/tim-osterhus/millrace · Python · Apache-2.0 · 16 stars

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