Claude Code multi-agent
Legion
Multi-CLI plugin that orchestrates 49 AI agent personalities (start → plan → build → review → ship) across Claude Code, Codex, Cursor, Copilot, Gemini, Antigravity, Kiro, Windsurf, OpenCode, Kilo, Aider + Kilo Code.
Install
npx @9thlevelsoftware/legion --claudeFound in the project README. Check it for setup steps after installing.
git clone https://github.com/9thLevelSoftware/legion.gitFrom the README
Give the shiny new thing a try at: https://9thlevelsoftware.github.io/legion-ascended Legion Orchestrate 49 AI specialist personalities across 10 AI CLI runtimes plus the Kilo Code plugin. *"My name is Legion, for we are many."* What It Does Turn 49 isolated agent personalities into a coordinated legion. The native Legion entry point now depends on the runtime you install into. See the audited compatibility matrix in docs/runtime-audit.md before assuming /legion:* works everywhere. Installation Quick install (recommended) Replace --claude with your runtime of choice: Runtime Support Tiers Local development Prerequisites - Node.js 18+ - One of the 10 AI CLI runtimes listed above or Kilo Code plugin support via --kilo-code (support tier varies by runtime) Codex note If you install with --codex, Legion writes its workflow files into .legion/, installs native prompt commands into .codex/prompts/ for local installs or ~/.codex/prompts/ for global installs, and also installs a legion bridge skill into .agents/skills/legion/. - Local Codex installs appear as /project:legion-start, /project:legion-plan, /project:legion-build, and so on - Global Codex installs appear as /prompts:legion-start, /prompts:legion-plan, /prompts:legion-build, and so on - Legacy /legion:* aliases remain bridge-only fallbacks, and plain-language Legion intents still work Repo-native Codex plugin This repository now also ships a repo-native Codex plugin manifest at .codex-plugin/plugin.json. - Use the repo-native plugin path when you want Codex to load Legion directly from this checkout as a local plugin bundle - The repo-native plugin exposes a top-level legion bridge skill at skills/legion/SKILL.md, which routes plain-language Legion requests and legacy /legion:* intents to the…
Details
- Repository
- 9thLevelSoftware/legion
- Language
- JavaScript
- Last updated
- 16 September 2026
FAQ
What is Legion?
Multi-CLI plugin that orchestrates 49 AI agent personalities (start → plan → build → review → ship) across Claude Code, Codex, Cursor, Copilot, Gemini, Antigravity, Kiro, Windsurf, OpenCode, Kilo, Aider + Kilo Code. It is a multi-agent for Claude Code, from 9thLevelSoftware/legion on GitHub.
How do I install Legion?
Run npx @9thlevelsoftware/legion --claude, then follow the setup in the README.
Is Legion popular?
9thLevelSoftware/legion has 82 GitHub stars and 9 forks. It was last updated on 16 September 2026.
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