Thomas Ricouard works on developer experience for Codex at OpenAI and builds open-source apps for Apple platforms. His projects include Ice Cubes, a Mastodon client, and Codex Monitor, a desktop interface for managing coding-agent work.[1][2]
Start with Ice Cubes →
X Career
Ricouard’s official site and GitHub profile identify his current work as developer experience for Codex at OpenAI. He lists previous work at Medium, Glose and Google, and co-founding MySeeen and RobinBrowser. Alongside those roles he publishes source for apps built with Swift and SwiftUI, Apple’s interface framework.[1][2]
Contributions
A social client as a working SwiftUI codebase
Ice Cubes connects to Mastodon servers to read timelines, interact with posts and publish text or media. Its source uses SwiftUI across iPhone, iPad, Mac and Vision Pro, with platform-specific navigation. MovieSwiftUI offers a second application-sized example: it retrieves movie data and demonstrates a state-and-action architecture that updates the interface when application state changes.[3][5]
Coordinating coding-agent sessions
Codex Monitor organizes local workspaces and conversations around the Codex app-server protocol. It can launch an app-server per workspace, resume threads and manage isolated worktrees. The interface brings conversation state together with files, diffs and Git operations, giving developers a place to follow several agent tasks.[4]
Tools, writing & talks
Tools
Start here
Ice Cubes
github.comAn open-source Mastodon client built in SwiftUI for Apple platforms.
Start with the app overview to see what a complete SwiftUI client contains. A Mastodon account helps when trying it; reading the source requires Swift familiarity.
Creator and maintainer[1][3]Original source- PostAppgithub.com
Native iOS app written in SwiftUI as an experiment in vibe-coding with Claude 4.
Catalog workOriginal source - IcySkygithub.com
SwiftUI-based native Bluesky client for iOS from the developer of the Ice Cubes Mastodon app.
Catalog workOriginal source - BoomRLgithub.com
Browser roguelike take on Doom, rendered in WebGL with pure JavaScript and permadeath included.
Catalog workOriginal source - ASCIIBlogithub.com
Terminal ARPG written in Rust that renders a Diablo-style isometric dungeon crawl entirely in ASCII characters.
Catalog workOriginal source - HyperDrafterhyper-drafter.vercel.app
Drafting app for medium and long-form writing built around a tight outline, draft, and revise loop.
Catalog workOriginal source - The Matrixgithub.com
Falling-text Matrix screen effect rendered natively on Apple platforms.
Catalog workOriginal source - SwiftyRoguelikegithub.com
Turn-based roguelike dungeon experiment written in Swift and rendered with SwiftUI.
Catalog workOriginal source - HyperGit (Chrome)github.com
Chrome extension that brings HyperGit's instant repository search into the browser.
Catalog workOriginal source - HyperYapperhyper-yapper.vercel.app
Stream-of-consciousness composer that lets you write fast and organizes the output afterward.
Catalog workOriginal source - Mastodon CLIgithub.com
Go-based terminal client for posting, replying, and browsing Mastodon without leaving the shell.
Catalog workOriginal source - CodexGamegithub.com
Experiment that traps Codex agents inside a game to watch how they behave in a constrained synthetic environment.
Catalog workOriginal source - GitHub Monitorgithub.com
macOS menu bar app that surfaces your GitHub PRs, issues, and mentions without opening the website.
Catalog workOriginal source - Mac Monitorgithub.com
Menu-bar app for macOS that shows CPU, memory, and network status in one small indicator.
Catalog workOriginal source - Diablo2Dgithub.com
Top-down dungeon crawler drawn in pixel art, running on Love2D with classic action RPG mechanics.
Catalog workOriginal source - HyperGithypergit.app
Fast frontend for searching your GitHub repositories and files, jumping to anything in milliseconds.
Catalog workOriginal source - SwiftyDungeongithub.com
Experimental dungeon crawler in Swift, used as a sandbox for game dev patterns on Apple platforms.
Catalog workOriginal source - Revisegithub.com
Experimental iOS app for redrafting prose, built as a quick editor for playing with text drafts.
Catalog workOriginal source - Retro Diffusion Appgithub.com
iOS app that generates pixel art and retro game assets from text prompts using retrodiffusion.ai.
Catalog workOriginal source - FoundationChatgithub.com
Chat app for iOS 26 that runs Apple's on-device Foundation Models with no cloud round trips.
Catalog workOriginal source - PokeSwiftgithub.com
Reimplementation of the Pokemon Red and Blue engine in Swift and SwiftUI, playable for learning.
Catalog workOriginal source - AppRoutergithub.com
Simple SwiftUI router offering declarative navigation without the usual navigation-stack pitfalls.
Catalog workOriginal source - Codex Skill Managergithub.com
Native macOS app for installing, organizing, and toggling OpenAI Codex skills from a single interface.
Catalog workOriginal source - Codex Monitorgithub.com
A Tauri desktop app for managing Codex workspaces, threads and agent activity.
Creator and maintainer[1][4]Original source - Dimillian Skillsgithub.com
Collection of 16 reusable skills for Apple platform work: release notes, iOS debugging, SwiftUI audits, and refactors.
Catalog workOriginal source
Apps
- MovieSwiftUIgithub.com
A movie browser demonstrating SwiftUI, Combine and a custom Flux-style state architecture.