An open-source operating layer for Claude Code and OpenAI Codex.
How to install citadel?
sethgammon/citadel
$claude plugin marketplace add sethgammon/citadelInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Install citadel by running `claude plugin marketplace add sethgammon/citadel`, then use it for the current task and follow its documentation at https://github.com/sethgammon/citadel.
.claude-plugin/plugin.json
| 1 | # .claude-plugin/plugin.json |
| 2 | claude plugin marketplace add sethgammon/citadel |
Related
6 picksType
- superpowersCore skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniquesJul 2026
- eccHarness-native ECC plugin for engineering teams - 67 agents, 281 skills, 94 legacy command shims, reusable hooks, rules, MCP conventions, and operator workflows for Claude Code plus adjacent agent harnessesJul 2026
- everything-claude-codeHarness-native ECC plugin for engineering teams - 67 agents, 281 skills, 94 legacy command shims, reusable hooks, rules, MCP conventions, and operator workflows for Claude Code plus adjacent agent harnessesJul 2026
- skillsAnthropic example skillsJul 2026
- agent-skillsProduction-grade engineering skills for AI coding agents — covering the full software development lifecycle from spec to ship.Jul 2026
- ruflo🌊 The leading agent meta-harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, RAG integration, and native Claude Code / Codex / Hermes and many more IntegratedJul 2026
