SethGammon/Citadel
608 stars · Last commit 2026-06-12
The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel agent fleets.
README preview
<img src="assets/citadel-hero.svg" width="100%" alt="Citadel - the operating layer for Claude Code and OpenAI Codex" /> <div align="center"> [](LICENSE) [](https://github.com/SethGammon/Citadel/actions/workflows/tests.yml)  [](https://github.com/SethGammon/Citadel/stargazers) [](https://sethgammon.github.io/Citadel/) **Citadel is an open-source orchestration layer for Claude Code and OpenAI Codex.** It gives your coding agent durable project memory, `/do` intent routing, safety hooks, cost telemetry, and parallel agents in isolated git worktrees. If `CLAUDE.md` and `AGENTS.md` tell the runtime **what** your project is, Citadel tells the runtime **how** to operate on it. [Install](#quick-install) · [See It Run](#see-it-run) · [How It Works](#how-it-works) · [Why It Exists](#why-citadel-exists) · [Roadmap](#roadmap) </div>