AI Solutions Architect. I build autonomous agents that replace teams. 6 live products, all solo. One person, many agents

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Ronen Katz  • Peerlist

<h3>I built an autonomous AI design agent after two tools failed me</h3>While I was building the festivals page for my new <a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="https://psychedelic-universe.com/">site</a> - created and designed for <a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="https://www.youtube.com/@PsychedelicUniverse">Psychedelic Universe</a>, my 634K subscribers YT Channel, I found myself in an endless loop — existing tools couldn't handle the complexity alone. They needed orchestrationSo I built a designer agent myself. Design Super Agent is an autonomous multi-agent system - a Director agent (Opus) orchestrating scoped sub-agents for design execution, code generation, and research. Each one is constrained with hard-coded safety gates and validation checks. Here's the page it designed. The video is an 18-second scroll of the actual live result.Built with Claude Agent SDK · TypeScriptFirst product of AIA Agency - more agents coming.<a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="https://aiaagency.ai/">https://aiaagency.ai/</a> If you have any suggestions, questions, comments, remarks -any feedback will be welcomed 😌

Design Super Agent

## The Problem I Kept Running IntoI run Psychedelic Universe, a <a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="https://www.youtube.com/@PsychedelicUniverse">YouTube channel with 634K subscribers</a> in the electronic music space. Once in a while, I post a Psytrance DJ mix. Every time I prepare a set, I hit the same wall:Rekordbox lets you sort by key OR by BPM. Not both. And the key sort is alphabetical - A, Ab, Am, B - which has nothing to do with harmonic compatibility.With 20 tracks, there are 2.4 quintillion possible orderings. No DJ is solving that by hand.Pioneer's own forum has had a feature request for this sitting unanswered for years.## What HarmonySet DoesUpload your Rekordbox playlist export → get the mathematically optimal track order for harmonic mixing and energy flow.- Held-Karp algorithm - not a greedy heuristic, the actual Traveling Salesman Problem solved with dynamic programming- Circle of Fifths visualization - see your harmonic path on an interactive wheel- Three energy modes - Ramp Up, Ramp Down, Wave- 100% client-side - your files never leave the browser- Quality scoring - 0-100 score showing exactly how much your set improved## How It Was BuiltI'm not a programmer. I built the entire thing with Claude Code - describing what I wanted, reviewing output, iterating. The stack is Next.js 16, TypeScript, Tailwind, Supabase, deployed on Vercel at $0/month.99 tests passing. Didn't write any of them.The hardest part wasn't the algorithm - it was parsing. Making the tool handle UTF-16LE encoding, tab delimiters, and five different key notation systems across Rekordbox exports. That's where 80% of the debugging went.## Try ItUpload a playlist at <a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="http://harmonyset.com">harmonyset.com</a> and see what happens. If you use Rekordbox, there's a step-by-step guide for exporting and optimizing.Feedback welcome - especially from DJs on whether the energy modes feel right, if it helped them, and from builders on the AI-assisted development workflow, issues, bugs, and general opinion + improvement suggestions.

HarmonySet

I built Psychedelic Universe as a companion to my YouTube channel, which I started in 2013 out of pure love for psytrance music. The channel grew to over 630,000 subscribers, but I wanted something more - a dedicated space and platform for the psytrance community that goes beyond video hosting. The site features a searchable artist portal with profiles of top psytrance and goa trance producers, 24/7 radio streaming organized by subgenre, and access to 5,000+ curated tracks. Built with React, TypeScript, and the YouTube Data API.