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Harness Engineering as High-Leverage Agent Improvement

Harness Engineering as High-Leverage Agent Improvement

@hwchase17

Totally agree with this - everyone is doing harness engineering for a reason (highest leverage spot to improve agents rn)

!Image 3: Johan Bonilla

#### Johan Bonilla

@johanbonilla · 7h ago @hwchase17 Amazing article!

Super well written, easy to read, and accessible.

I would argue that harnesses have already started to become just as valuable as models.

In fact, I would dare to say they have the HIGHEST ceiling of impact.Show More

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Apr 4, 2026, 4:57 PM View on X

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3,750 Views  Harrison Chase @hwchase17

One Sentence Summary

Harrison Chase validates the growing consensus that harness engineering is currently the highest leverage area for improving AI agents.

Summary

In response to a discussion on agent development, Harrison Chase confirms that focusing on harness engineering is a high-leverage strategy for improving AI agent performance. This reinforces the industry shift towards optimizing the interaction layer between models and tools rather than just focusing on the model itself.

AI Score

79

Influence Score 6

Published At Yesterday

Language

English

Tags

AI Agents

Harness Engineering

Agent Development

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