---
title: "Discussion on \"What Is an Agent Harness? The Architecture Behind Claude Code, DeepSeek Harness, and Hermes Agent\" | Hashnode"
description: "Discussion on \"What Is an Agent Harness? The Architecture Behind Claude Code, DeepSeek Harness, and Hermes Agent\". On August 13, 2026, DeepSeek published a GitHub repository called deepseek-harness. Within two days, it had passed 95,386 stars and 8,826 forks (a vanity metric on its own, but a spike this fast signa"
url: "https://hashnode.com/posts/what-is-an-agent-harness/6aa41926c7a41a4b7462a57d"
---

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# [What Is an Agent Harness? The Architecture Behind Claude Code, DeepSeek Harness, and Hermes Agent](https://freecodecamp.org/news/what-is-an-agent-harness?utm_source=hashnode&utm_medium=feed)

On August 13, 2026, DeepSeek published a GitHub repository called deepseek-harness. Within two days, it had passed 95,386 stars and 8,826 forks (a vanity metric on its own, but a spike this fast signa

Sep 11 · 25 min read · freecodecamp.org  
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## Written by

[Rudrendu Paul](https://hashnode.com/@rudrendupaul)

@rudrendupaul · San Francisco, USA

  
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AI, Ads & Marketing Data Science Leader | Gen AI | LLM | AI Agents | Applied AI/ML | Ads | Monetization

I am an Applied AI/ML and Marketing Measurement Science leader with 15+ years of building and scaling applied AI and machine learning products at Fortune 50 companies. I specialize in Causal Inference, Experimentation, Agentic AI systems, and enterprise AI strategy, applied to Retail Media Networks (RMN), Ads, Adtech, Martech, CPG, and E-Commerce. Published author with Springer Nature, Elsevier, ICML (Top 3 AI/ML Conference), and IEEE, and a regular contributor to leading AI/ML and analytics publications (views are my own)

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