# Kevin Liu > Kevin Liu is an infra-product engineer in San Francisco and a student at Princeton University who designs interfaces that feel alive. Kevin Liu's projects as 26 collectible cards: type, games, shaders, agents and interfaces, each with its real product, its features as moves, and a battle you can play. Every page has a Markdown twin: add .md to its path, or send `Accept: text/markdown`. ## Pages - [Cards](https://www.kevinliu.studio/index.md): all 26 cards in one table - [About](https://www.kevinliu.studio/about.md): Kevin Liu's bio, projects and contact links - [Battle](https://www.kevinliu.studio/battle.md): the rules of the card battle - [Every card in full](https://www.kevinliu.studio/llms-full.txt) ## Cards - [Turboslide](https://www.kevinliu.studio/cards/turboslide.md): A browser slides editor where people and AI agents edit one deck. - [Glyphfield](https://www.kevinliu.studio/cards/glyphfield.md): A free studio that turns one brand into graphics, animation and templates. - [Jarhead](https://www.kevinliu.studio/cards/jarhead.md): A voice assistant that clicks, types and reads the screen on your Mac. - [Katagami](https://www.kevinliu.studio/cards/katagami.md): A free font family in five styles for interfaces, long reading and code. - [Claude of Tanks](https://www.kevinliu.studio/cards/claude-of-tanks.md): A free browser tank game: 7 v 7 online, 33 destructible battlefields, 13 modes. - [Mailroom](https://www.kevinliu.studio/cards/mailroom.md): A Gmail sorter that uses readable rules and low-cost AI, all undoable. - [Local Search](https://www.kevinliu.studio/cards/local-search.md): A command-line tool for AI agents to search the web in your own browser. - [Agent Pets](https://www.kevinliu.studio/cards/agent-pets.md): Pixel pets that sit beside your coding agent and show what it is doing. - [Loop](https://www.kevinliu.studio/cards/loop.md): A service that updates AI agents' skill files from their sources every day. - [Agent Machines](https://www.kevinliu.studio/cards/agent-machines.md): An open-source kit and dashboard to run AI agents on cloud machines. - [Prototemplate](https://www.kevinliu.studio/cards/prototemplate.md): A design lab of 27 live website designs and its own graphics engines. - [bday.land](https://www.kevinliu.studio/cards/bday-land.md): A birthday site friends fill with cards, which turns into a 3D island. - [Princeton Powerlifting](https://www.kevinliu.studio/cards/powerlifting.md): Princeton's powerlifting club website, its whole brand drawn in code. - [Elo](https://www.kevinliu.studio/cards/elo.md): A blind voting tool that ranks a team's options with chess-style ratings. - [CoTFly](https://www.kevinliu.studio/cards/cotfly.md): A 3D fruit fly in Claude of Tanks, its throttle set by 124 simulated neurons. - [Relay](https://www.kevinliu.studio/cards/relay.md): A mock team chat app for testing AI agents, with every run graded. - [Princeton TD](https://www.kevinliu.studio/cards/princeton-td.md): A browser tower defense game set at Princeton, with 26 levels. - [Kevin Wiki](https://www.kevinliu.studio/cards/kevin-wiki.md): A personal wiki that AI agents write and keep current from saved sources. - [Sandbox Arena](https://www.kevinliu.studio/cards/sandbox-arena.md): A benchmark that races two cloud code sandboxes on the same task. - [Ariadne](https://www.kevinliu.studio/cards/ariadne.md): An AI host that guests text to check in, play quests and order drinks. - [Sigil UI](https://www.kevinliu.studio/cards/sigil-ui.md): A library of 350+ components, all styled from one markdown file. - [050525](https://www.kevinliu.studio/cards/dedalus-terminal.md): A retro birthday terminal where typed passwords set off hidden effects. - [Sevenfold](https://www.kevinliu.studio/cards/sevenfold.md): A workspace for researchers to find, read and write papers with an AI. - [Podium](https://www.kevinliu.studio/cards/podium.md): A hackathon judging tool that sends judges to teams in fair blocks of five. - [OMMC](https://www.kevinliu.studio/cards/ommc.md): A nonprofit online math contest for teams of students 18 and under. - [Atlas](https://www.kevinliu.studio/cards/atlas.md): General Translation's magazine, each story an issue with a live cover. ## Optional - [Previous site](https://portfoliomon.kevinliu.studio): PortfolioMon Showdown, the portfolio before this one