# citadel

The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel agent fleets.

- Tier: Indexed (plain plugin)
- Category: Development
- Page: https://www.flowy.sh/listings/sethgammon-citadel
- Source: https://github.com/SethGammon/Citadel
- Price: free and open source

## Summary
citadel is a Claude Code plugin with 49 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes architect, archon, ascii-diagram. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
npx -y skills add sethgammon/citadel
```

## Skills
- architect
- archon
- ascii-diagram
- autopilot
- cost
- create-app
- create-skill
- daemon
- dashboard
- decision-map
- deploy-steward
- design
- do
- doc-gen
- evolve
- experiment
- fleet
- grill
- houseclean
- improve
- infra-audit
- learn
- live-preview
- loop
- map
- marshal
- merge-review
- organize
- postmortem
- pr-watch
- prd
- qa
- refactor
- research-fleet
- research
- review
- scaffold
- schedule
- session-handoff
- setup
- systematic-debugging
- telemetry
- test-gen
- triage
- unharness
- verify
- watch
- wiki
- workspace

## FAQ

### What is citadel?
The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent routing, safety hooks, cost telemetry, and parallel agent fleets.

### How do I install citadel?
Run these in Claude Code: npx -y skills add sethgammon/citadel. Then prompt normally.

### Does citadel auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is citadel free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.