Beyond Coding: The Case for Narrow AI Harnesses
You might already be using a harness and probably don’t even realise it. Claude Code, Codex, OpenCode and numerous other coding tools are good examples of systems built around an agent harness.Agent = Model + HarnessThis equation serves as a simple way to understand harness engineering. The model observes the environment, takes an action, looks at the result, and continues the loop until the task is complete.Take a coding agent as an example.The model is not simply asked to generate some code and return it.
- ▪You might already be using a harness and probably don’t even realise it.
- ▪Claude Code, Codex, OpenCode and numerous other coding tools are good examples of systems built around an agent harness.Agent = Model + HarnessThis equation serves as a simple way to understand harness engineering.
- ▪The model observes the environment, takes an action, looks at the result, and continues the loop until the task is complete.Take a coding agent as an example.The model is not simply asked to generate some code and return it.
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| Original publisher | Medium |
| Canonical URL | https://medium.com/@sumant1122/beyond-coding-the-case-for-narrow-ai-harnesses-dae8def8570f |
| Publication time | Fri, 11 Sep 2026 12:34:01 +0000 |
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Artificial IntelligenceAI AgentDevOpsSoftware EngineeringSoftware DevelopmentBeyond Coding: The Case for Narrow AI HarnessesSumant Sogikar4 min read·1 hour ago--ListenSharePress enter or click to view image in full sizePhoto by Matt Seymour on UnsplashHarness engineering is an interesting field that has gained popularity recently. You might already be using a harness and probably don’t even realise it. Claude Code, Codex, OpenCode and numerous other coding tools are good examples of systems built around an agent harness.Agent = Model + HarnessThis equation serves as a simple way to understand harness engineering.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Medium.
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