Built This Week/Explore

Explore

AI Builds

Every week on the show, Jordan and Sam build something with AI. Here is each build, step by step.

By Jordan Metzner & Sam Nadler · Updated October 2026

51 pages, each built from what was actually said and built on Built This Week. Want the full episodes? Browse every episode.

23andMe Raw Data Dashboard with Claude CodeYour unreadable 23andMe TXT export becomes a working health dashboard once Claude Code can read it alongside your blood work, and you can keep it enti…3D-Printed Custom KeychainsA custom keychain is the easiest 3D print there is: pick a customizable MakerWorld model, change the text, generate, download and send it to the print…AI Auto Blogger for WebflowOur autoblogger writes illustrated, on-topic posts for each of our Webflow sites on a schedule and publishes them itself. It produced about 150 posts …AI Candidate Highlight Reel BuilderPaste an interview transcript, let AI pick nine clips, trim three, and Remotion renders a branded candidate reel in five to ten minutes instead of hou…AI Cash Flow Forecasting Dashboard for SolopreneursUpload a P&L and balance sheet and Gemini returns a cash-flow forecast, an insurance compliance check and a loan readiness report. Jordan built it in …AI Code Review Slack BotA short prompt in Google AI Studio got Jordan a Slack look-alike with a Bito code review bot. It's a fun prototype, not a production integration, but …AI Compliance Training PlatformWe built our own compliance training platform instead of paying per seat: AI wrote the curriculum and the app, Veo 3.1 Fast made every scenario video,…AI Costume Guessing AppOne prompt in Google AI Studio's Build mode gave us a webcam app that uses Gemini to guess your Halloween costume. It named Jordan's vampire on the fi…AI Daily Check-in AppSam replaced a stand-up form with a Bolt app whose AI summary posts every team's blockers and priorities to Slack each morning. Two hours of work, no …AI DJ for Retail StoresOur AI retail DJ swaps between five custom AI-generated songs, 90 to 130 BPM, as a store fills up and empties out, so the music follows the crowd inst…AI Halloween Costume GeneratorSnap a webcam photo, pick a costume, and Nano Banana dresses you up in about 20 to 40 seconds, then Veo 3.1 Fast turns it into a short Happy Halloween…AI Image Editing ChatbotA chat-style image editor that feeds each result back in as the next starting image lets you chain edits and keep the same face, until the edits get t…AI Inference Cost SimulatorSam's inference cost simulator shows why AI gets expensive at scale: margins look fine on GPUs at low volume, then collapse, especially for image gene…AI Lead Workflow for Car DealersA dealer web form fires a webhook, AI scores the lead's intent, and high-confidence leads get an automated text while the rest go to an email drip, in…AI Product Images with Nano BananaPhotograph the product, ask Nano Banana in Google AI Studio to put it on a hoodie, then put the hoodie on a model. Sam got usable e-commerce photos in…AI Start-of-Care Packet GeneratorWith no healthcare background, Sam built a prototype that turns a messy discharge summary into a start-of-care packet in about 30 minutes, and Arya He…AI Trading Bot for KalshiA Kalshi bot that follows whale bets and crowd moves can pick winners (8 of 12 for us) and still lose money, because fees eat thin margins and everyon…Airline Cybersecurity DashboardSam's flight ops cyber radar ranks risks across an airline's ground systems and writes an AI command briefing. Cyviation's CTO liked it, then pointed …BOM Price-Shock Scenario ToolUpload a bill of materials, nudge a material price or fire a tariff or port-delay shock, and see the overrun risk plus a procurement move. Sam built i…Build an App with Claude CoworkSam started a fitness app live in Claude Cowork by pointing it at a folder with a PRD and typing 'build this'. We saw the plan and trade-offs on air; …Build an n8n Workflow with ClaudeAsk Claude for an n8n workflow, download the JSON, import it from file. We got the full structure of a podcast outreach automation in seconds; wiring …Cell Defense ArenaCell Defense Arena is a late-80s-style arcade game Sam built for Converge Bio's conference booth: protect the blue core from bad cells and don't let y…ChatGPT Trading Bot on the Public APIA ChatGPT trading bot on Public's API took Jordan three to six hours in Replit. It made 10 to 12 trades on the Bitcoin ETF and ended about breakeven: …Cholesterol Medication 3D VisualizerJordan built a 3D model of the liver and intestines that shows how cholesterol medications lower LDL, just by chatting with Claude: no code, no other …Claude Design to Claude Code RedesignLink your code base to Claude Design, chat through a redesign, click 'hand off to Claude Code', and give the zip to Claude Code. Sam had a fully redes…Clinical Trial Site Selection DashboardSam's digital twin dashboard simulates a trial site network and shows how AI-ranked sites can beat the usual tier-one academic picks. Ryght AI's chief…Data Warehouse Waste QuizSam's five-question quiz scores how much a data team is wasting on its warehouse. Espresso AI's CEO loved it, then pointed out that his product solves…Edgevanta TycoonEdgevanta Tycoon is a RollerCoaster Tycoon-style browser game Jordan made for our construction AI episode: win bids, earn capital, buy AI agents, grow…Highway Paving Mini-GameA one-minute click game Jordan built for our construction AI episode: crush rocks, heat them, pave the highway and roll it out. Fun, simple, and light…LLM Math RoasterJordan's LLM Math Roaster sends one problem to four models for Lean 4 proofs and has ChatGPT judge them. Gemini won on Fermat's Little Theorem, but ou…Los Angeles Parking Ticket MapTix LAX maps where Los Angeles writes parking tickets, by officer, car color and violation. Jordan built it from the city's open data with Mapbox, Cur…Make It Rain Mini-GameA simple three.js catch-the-money game is a prompt-sized project in Bolt: Jordan built one as a bonus for Episode 14 and scored 8,950 live on air.MateAn internal company directory with profiles, interests and clubs is a weekend project now: Jordan scaffolded Mate in Bolt, finished it in Cursor and r…Meta Ad Concepts in Claude DesignSam chatted Claude Design into three self-aware Meta ad campaigns for HipTrain, aimed at women 50 to 70, with image and Veo 3 prompts for each, then s…Mirror, Mirror on the WallA talking magic mirror is three steps in Google AI Studio: speech-to-text, a Gemini reply, text-to-speech. Ours worked on air, but it was laggy and na…Monte Carlo Sales Forecast DashboardSam turned Attention's open-source, one-call-at-a-time coaching scores into a 10,000-trial Monte Carlo forecast of the whole pipeline, and Attention's…n8n Sales Outreach WorkflowAn n8n sales outreach workflow can research a company, find the CEO, write a tailored email and send it every day on a schedule. Here is the one Jorda…NTRVSTANTRVSTA started as our internal fix for thousands of first-round interviews a year: an avatar interviewer that runs dynamic interviews 24/7, scores ca…Offsiteio EstimatorSam replaced a sprawling Google Sheet and Canva decks with an estimator that flags hidden hotel costs and spins up a client presentation site, cutting…Podcast CRMMost podcast RSS feeds include a contact email. Jordan used that to build a Replit CRM of 1,061 business podcasts that writes a personalized, humble o…Portfolio Macro Scenario SimulatorSam's demo runs a macro scenario against a 30-company seed portfolio and buckets every company into unaffected, advantage, stress or watch, a feature …Rep-by-Rep AI Personal TrainerSam's AI trainer gives feedback after every set and steps down weight when you struggle. He polished it in the Codex desktop app, where slow, deep-rea…Ryz ChefRyz Chef turns a screenshot of your grocery receipt into 11 Mediterranean recipes. Jordan built it in Replit and found receipts work better than fridg…Ryz Labs Video StudioOur team's AI video studio puts Veo 3, Seedance and other models behind one Replit app on pay-per-use API keys. The first version took a few days; a c…Ryz ScoreRyz Score sends each new resume, application and job description to ChatGPT with a scoring matrix, then writes the score and rationale into the ATS wh…Sam's ATSSam's first Claude Code project was a full ATS front end, built in about an hour from two PRDs with up to three agents working on different pages at o…ScreenEvalScreenEval reads a recruiter's screen transcript, evaluates the candidate, coaches the recruiter against a six-area rubric and makes every call search…Sora 2 API Video GeneratorA Sora 2 API tool is quick to build: orientation, clip length, a reference image and a remove-watermark toggle. In our side-by-side test, Veo 3.1 Fast…Strudel AI DJ MixerStrudel turns music into readable JavaScript, and LLMs are good at code. Jordan combined the two into a two-deck DJ mixer where an AI button writes a …Trick-or-Treat Route PlannerA one-hour trick-or-treat route planner took us minutes in Google AI Studio. For Nashville it picked Sylvan Park, Sam's old neighborhood, which he cal…Weather and Time App in Google AI StudioOne line, "weather and time app for Los Angeles and Nashville, make it pretty," got Jordan a working app in seconds in Google AI Studio Build, with de…