Marcos Arnold
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Projects

Retention

Multi-agent system that iteratively improves educational videos by predicting brain fMRI responses with Meta's TRIBE v2, identifying low-engagement segments and generating optimized replacements

PythonTribe v2FastAPIDeepgramPika APIBand AI SDKTokenRouter (Multi-LLM)

Milkr

CashCow, rebuilt. AI-powered Chrome extension that picks your best card at checkout

PythonReactTypeScriptFastAPIPlaidFirecrawlAnthropic API

Twitter Community Detection

Analysis of a 81,306 user Twitter network using Leiden and Infomap community detection to identify political clusters and echo chamber effects

PythonNetworkXPandas

CashCow

Finance AI Chrome extension built at Cal Hacks 12.0 that detects checkout pages, classifies merchants in real time, and recommends optimal credit cards to maximize cashback and rewards using real time reward data

ReactTypeScriptFetch.AI APIFastAPIBrightData MCPAnthropic API

Pikes Peak Hill Climb

Interactive 3D recreation of the Pikes Peak Hill Climb featuring a racing experience through the Colorado Rockies and Red Rocks

JavaScriptHTMLCSSThree.jsModular ES6 Architecture

Snake AI

Snake game implementing Greedy, Dijkstra, and A* algorithms for AI pathfinding and real time navigation

PythonPygameMatplotlibJupyter Notebook

Hue Hero

Desktop color by number pixel art game that turns images into playable grids with SQL based progress tracking

JavaSwingSQLImage Processing

Spotify Sentiment Analyzer

Web application that analyzes the emotional tone of songs and albums using Spotify metadata, lyrics, and a multilingual BERT model for sentiment analysis

PythonStreamlitHugging Face TransformersSpotify API