Julian Goldie SEO: How to Build Your Own Agent OS FREE

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Think you need to pay for APIs to build a powerful agentic OS? You don't. This video walks through the exact 3-step system to build one from scratch — free harness, free models, and fully custom workflows you can expand forever.

0:00 Intro – why you don't need to pay for a full agentic OS
0:50 Free Harness – DeepSeek Harness vs Hermes Agent
1:22 Free Model – free APIs via OpenRouter
2:24 Start Building – the exact prompt that builds your dashboard
3:34 First Build – watching it construct step by step
4:03 Iterate – testing, feedback, and fixing what breaks
4:47 Custom Workflows – building your own tools (e.g. an ad generator)
5:59 The 3-Step Recap – free harness + free model + iterate
6:46 n8n Replacement – why this setup kills the need for n8n entirely