---
title: "Vibing, Harness and OODA loop"
url: https://daily.dev/posts/vibing-harness-and-ooda-loop-aoxhya5u1
source_url: https://event-driven.io/en/vibing_harness_and_ooda_loops
type: article
source: "Event-Driven by Oskar Dudycz"
published: 2026-06-17T11:26:17.536Z
updated: 2026-06-17T11:31:53.804Z
tags: ["testing", "observability", "opentelemetry", "vibe-coding"]
reading_time: 15
upvotes: 0
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Vibing, Harness and OODA loop

**[Event-Driven by Oskar Dudycz](https://daily.dev/sources/event-driven-io)** · 15 min read · 0 upvotes · 0 comments

## Summary

Vibe coding with LLMs feels fast because it skips the Observe and Orient phases of the OODA loop (Observe, Orient, Decide, Act). The real engineering work — building a harness of tests, automation, and observability — is what makes iteration sustainable. Using the Emmett framework as a real example, the author walks through adding OpenTelemetry observability and creating a test harness with Node.js native tools, execa, and Docker Compose to verify the setup reproducibly. The key insight: LLMs accelerate the Act phase, but without a proper harness to close the feedback loop, you're just generating unverified output faster.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://event-driven.io/en/vibing_harness_and_ooda_loops>

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---

Tags: [#testing](https://daily.dev/tags/testing), [#observability](https://daily.dev/tags/observability), [#opentelemetry](https://daily.dev/tags/opentelemetry), [#vibe-coding](https://daily.dev/tags/vibe-coding)

[View this post on daily.dev](https://daily.dev/posts/vibing-harness-and-ooda-loop-aoxhya5u1)