Top CODEX GitHub Repositories & Tools (2026)

Pandoc for AI chats. Move ai chats across harnesses: Claude Code, Codex, OpenCode, Cursor, and more. Rust library, CLI, and WASM.

AI automation skills specifically designed for Unity

App for Codex / Claude Code / Pi / OpenCode / Kimi Code / Grok Build, vibe coding anytime, anywhere

Free, open-source MCP server that gives AI coding agents (Claude Code, Codex, Cursor, OpenCode, ZCode…) design inspiration from award-winning websites — search with real screenshots, pull design DNA, capture and record live sites. A Mobbin alternative. No API key.

Open-source, multi-platform harness for AI agents - a native, multi-threaded operator's console (JVM, not Electron) to run Claude Code, Codex, Gemini or OpenCode with a real browser, terminal, editor, secrets & 100+ MCP tools. Built for enterprises, science & research.

Instant recall for coding agents. Search the history already on your machine. Git blame, but for agent sessions.

Agent Skills for end-to-end story writing in markdown, packaged as Codex and Claude Code plugins.

Unofficial ChatGPT desktop app for Linux (formerly the Codex app), built locally from OpenAI’s official macOS app. Includes Chat, Work, and Codex. Packages for Debian/Ubuntu (.deb), Fedora/openSUSE (.rpm), Arch (pacman), Nix/NixOS, and AppImage, with Wayland and X11 support.

Manage your Hevy workouts, routines, folders, and exercise templates. Create and update sessions faster, organize plans, and search exercises to build workouts quickly. Stay synced with changes so your training log is always up to date.

The local-first Agent OS — your AI partner lives on your own machine. Drive the official Claude Code, Codex & OpenCode from your browser or any chat app.

An agent-native red-teaming workspace with a fast browser, direct HTTP traffic control, sandboxed execution, and auditable sessions. Pure Rust.

Your Company Agentic Operating System

Local-first macOS app to browse, search, analyze, and resume supported AI coding-agent session history across Codex, Claude Code, OpenCode, Cursor Agent, Antigravity, Hermes, OpenClaw, Copilot CLI, and more.

Mission control for your AI agents

Give your AI agents lasting roles, a shared Camp, and a journey together — then let them grow into a team.

Run multiple Claude Code and Codex sessions in parallel — a browser terminal grid that shows which agent needs you. Local, tmux-backed, MIT.

Codex Switch & Codex GUI & CSwitch & Codex Mobile & Codex Remote & Codex Web

A native macOS terminal app built on Ghostty for running and supervising coding agents

A monorepo of Pi Coding Agent extensions

Linux desktop control over MCP — AT-SPI, GNOME Shell, Wayland portals, ydotool