The most important part of building a loop isn't the loop.. it's the harness. It's how you stop burning tokens, get the result you actually want, and still run a cheaper model. Five pieces, broken down.

Did you know you can build your loop on cheaper dumber models and still beat everyone else building this it comes down to one Super important thing and that's called the harness. What is the harness? The harness is everything that you build around the loop It's what stops wasting tokens. It's what gets you what you actually want as a result It's what lets you potentially work on a cheaper model without at all following part the loop. Honestly is the easy part? This the harness is what makes it work. Okay, so let's just break down what a harness is a really simple way to imagine it So imagine that there's somebody starting at your company a new employee It's a genius AI model, but there's nothing about your company or knows nothing about your personal workflows The harness are what I'm going to call five things that actually make it useful So let's go through those five things the Claude MD file This is the onboarding doc the facts will never change. So it rereads them every single morning every single time it goes to do work Number two is permissions I'm going to call this the key card to enter the building These are the things that can and cannot do and no access that it has to all of the different tools within your organization or within your life Three are access to sub agents. These are the specialists that the agent can call Especially a second set of eyes to check work that's super important in loop engineering We've been talking a lot about that. Four is unbreakable rules What are those rules within your life or within your organization that that employee cannot break? These are hard-coded rules that cannot be broken and finally the memory This is the notebook the agent writes everything down the employee writes everything down So when they come to work with their Indonesia the next day They have that notebook with all of the running notes the important takeaway here is build the harness first the loop comes next the harness is the most important thing