Agent Arena
- Updated February 10, 2026
- mikewrather/agent-arena
agent-arena is a Claude Code marketplace that provides multi-agent orchestration plugins so developers can run coordinated reviews and audits across Claude, Codex, and Gemini CLIs.
About
agent-arena is a Claude Code marketplace that installs multi-agent orchestration plugins for collaborative engineering tasks. Use it when you want three independent CLI perspectives on diffs, adversarial security review, or structured brainstorming instead of a single-model pass. The arena plugin requires Claude Code plus Codex and Gemini CLIs and Python 3.10+ to run coordinated sessions.
- arena plugin coordinates Claude Code, Codex CLI, and Gemini CLI
- Supports code review, security audits, architecture decisions, and brainstorming
- Constraint-driven reliable generation with iterative refinement
- Install via claude plugin marketplace add mikewrather/agent-arena
Agent Arena by the numbers
- Data as of Jul 7, 2026 (Skillselion catalog sync)
/plugin marketplace add mikewrather/agent-arenaAdd your badge
Show developers this marketplace is listed on Skillselion. Paste this into your README.
| Last updated | February 10, 2026 |
|---|---|
| Repository | mikewrather/agent-arena ↗ |
How do you get independent multi-CLI perspectives on code changes, security, or architecture inside Claude Code?
Coordinate Claude Code, Codex CLI, and Gemini CLI for multi-perspective code review, security audits, architecture debates, and refined generation.
Who is it for?
Developers with Claude Code, Codex CLI, and Gemini CLI installed who want orchestrated multi-agent review workflows.
Skip if: Environments missing Codex or Gemini CLIs or teams that only need single-assistant editing.
What you get
Orchestrated multi-CLI session outputs such as consolidated review findings, audit notes, or refined generated content.
Plugins in this marketplace
1 plugin - install individually after you add the marketplace.
Recommended Marketplaces
FAQ
Which CLIs are required?
Claude Code, Codex CLI (codex), and Gemini CLI (gemini) plus Python 3.10+ per README.
What tasks does arena support?
Code review, security audits, architecture decisions, brainstorming, and reliable generation.
How do you install the plugin?
claude plugin marketplace add mikewrather/Agent Arena then claude plugin install arena@Agent Arena.