Charlie Temkin
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  • How I Built This Site
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  • I Rewrote My Thesis with AI
  • The Sheridan Verse
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  • I Created a Pop Star
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Featured
BuildApps, GPTs & Games
  • How I Built This Site
  • Needham Navigator
  • Menu Labs
ThinkAnalysis, Rankings & Essays
  • I Rewrote My Thesis with AI
  • The Sheridan Verse
  • Fictional Coaches Ranked
CreateMusic, Video & Visual
  • I Accidentally Went Viral
  • TL;DR Theater
  • I Created a Pop Star
About
CHARLIE TEMKIN

Product Manager by day. Creator by night.

© 2026 Charlie Temkin

Build

Apps, GPTs & games — side projects mostly built with Claude Code, Replit, and Codex.

This Site Is Also a Project thumbnail
Featured — Live
GitHub

How I Built This Site

This portfolio — built with Claude Code, Codex, and Gemini. Deployed on Vercel with zero manual syntax. Every page, component, and CI workflow written prompt-by-prompt.

MetaInfrastructureClaude Code
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Trauma Center Distance Map thumbnail
Data

Trauma Centers 3D Map

A deck.gl-powered 3D visualization mapping trauma center accessibility across the United States. Started as a five-state prototype and expanded nationwide. Arcs show driving distances from Billings to Level I–III trauma centers, with search, filtering by trauma level, and hover-to-highlight interactivity.

Data VisualizationGeospatialHealthcare
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Needham Navigator thumbnail
GitHub

Needham Navigator

A RAG-powered AI assistant that helps Needham, MA residents navigate 70,000+ pages of municipal content — built for $11.

AppRAGAILive
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Witch's Flight thumbnail
NetlifySubstack

Witch's Flight

A fully playable browser game built from a vibe, a ChatGPT PRD, and zero lines of code written by hand.

GameNo-Code BuildBrowser GameAI-Built
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MenuLabs thumbnail
ReplitSubstack

Menu Labs

Prompt-to-menu generator, built for $2.48 on Replit.

AppNo-CodeReplit
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Swiftie Industrial Complex thumbnail
ReplitSubstack

SwiftieGPT

Notes from inside the Swiftie Industrial Complex — an AI app that explores the gap between Taylor Swift fandom, parasocial relationships, and what we project onto pop stars. Part satire, part genuine product.

AppData VizTaylor SwiftAI
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BandWagon Buddy thumbnail
ChatGPTSubstack

BandWagon Buddy

CustomGPT that generates 650-800 word sports cheat sheets using o3 + real-time Sports-Reference/ESPN data.

Custom GPTSportsAIProductivity
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The Rise and Fall of ZipNomad thumbnail

Rise and Fall of ZipNomad

I Made 12 Robots Compete to Start a Business. The Boardroom Is Virtual. The Drama Is Real.

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ChartSmithGPT thumbnail
ChatGPTSubstack

ChartSmithGPT

An AI-powered micro app that converts any table into styled charts with PNG/SVG export. Paste data, pick a palette, download instantly.

AI Micro AppData VisualizationChartsClaude API
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ChatGPTSubstack

Irony Illustrated

News headlines → dry New Yorker-style cartoon prompts → GPT Image 1 / Grok / Meta AI.

Custom GPTAI ArtSatireNews
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TacoMeter thumbnail
LovableSubstack

TacoMeter

Track every taco you've ever eaten — a mileage tracker for your mouth.

AppFoodLovableTracker
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GitHub Portfolio →