Zhiyuan Guo

CS student at Carnegie Mellon. Building web apps, developer tools, and thoughtful interfaces.

About

Hi — I'm Zhiyuan. I study computer science at Carnegie Mellon, where most of my time goes to building full-stack web apps, developer tooling, and interfaces that feel good to use. I care about fast software, clean design systems, and the small details that make products delightful.

Get in touchGitHub

Projects

5 projects

Selected things I'm building, maintaining, or exploring.

Loophole

Next.js

A crowdsourced finder for restroom door & lock codes — look one up, or pay it forward by reporting one you find.

CareerPredictor

AI

Analyzes LinkedIn profiles to surface people who reached a target career goal — powered by Exa, Clado, and Cloudflare Workers AI.

iMessage Codebase Agent

TypeScript

Text your codebase — an iMessage Q&A agent over your repo, powered by Photon Spectrum and Cursor Cloud Agents.

RSVP-OS

Swift

A macOS menu-bar app that OCRs any on-screen text and streams it back as fast RSVP speed-reading in a notch UI.

CheckMate

Swift

A local-only iOS app mapping the top 200 Bay Area VCs and accelerators, with a compass pointing to the nearest.

Experiments

6 experiments

Small interface studies, animations, and component demos.

Rendering the print...

Risograph

Turn any image into a live risograph print: limited spot inks, halftone dots, slight misregistration, and paper grain.

Metaballs

Drag flat, solid-colour blobs into each other and watch them fuse into one shape, then cleanly split apart.

OKLCH

Grab the three numbers of a perceptual colour space and watch lightness stay honest, palettes stay balanced, and gradients skip the grey dead zone.

PicToSplat

A web viewer for 3D Gaussian Splat (.ply) scenes, built on react-three-fiber and Spark.

Haptics Playground

An Apple-esque playground for designing and feeling haptic patterns in the browser.

Nave

A team workspace UI shell — exploring layout, navigation, and density for collaborative apps.

Contact

Reach out — I'm always happy to chat about software, design, or ideas.

Zhiyuan Guo

zhiyuanguo/website

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