What is ruflo-arena?
ruflo-arena is a Claude Code mod by ruvnet that competitive ruliology for Ruflo swarms — arenas, tournaments, and adaptive co-evolution of program strategies (ADR-147/148). Strategies-as-programs compete under payoff games; tournaments. It is listed under Interface and has 76,145 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | ruvnet |
| Repository | ruvnet/ruflo |
| Popularity | 76,145 GitHub stars |
| Category | Interface |
| Security | Low risk (88/100) |
| Rank | #8 of 5,272 Claude Code mods; #2 in Interface |
| License | MIT |
| Last commit | 2026-10-18 |
| Stars this week | +1,787 |
| Hooks | 2 events |
| Sees | only the events it hooks |
| Draws on | nothing |
Is ruflo-arena safe to install?
ruflo-arena scores 88/100 on the MCPMods security check: Low risk. Things to review: writes files or config. It passed 7 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes files or config | Review |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.command.register | |
$.fs.write | writes files |
$.session.root |
How do I install ruflo-arena?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/ruvnet/ruflo claude plugin validate ./ruflo/plugins/ruflo-arena
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add ruvnet/ruflo && claude plugin install ruflo-arena@ruflo
Or ask Claude to set it up
Paste this into Claude Code and it installs ruflo-arena for you:
Install the "ruflo-arena" Claude Code mod from https://github.com/ruvnet/ruflo/tree/main/plugins/ruflo-arena. Run claude plugin validate on it first and show me what it can access before you enable it.
More from ruvnet/ruflo
This repository has at least 9 Claude Code mods on MCPMods.
- ruflo-adr: ADR lifecycle management — create, index, reconcile, supersede, check compliance, and link Architecture Decision Records (Low risk)
- ruflo-agent: Agent runtimes for ruflo — local WASM-sandboxed agents (rvagent: 10 wasm_agent_*/wasm_gallery_* MCP tools, built on @ruv (Low risk)
- ruflo-agentdb: Substrate plugin for Ruflo memory: AgentDB controller bridge (15 agentdb_* MCP tools), RuVector ONNX embeddings (10 embe (High risk)
- ruflo-agntcy: AGNTCY/Outshift Internet-of-Cognition runtime integration for Ruflo — SLIM secure transport for cross-host agent coordin (Low risk)
- ruflo-ai-team: Give Claude a tenant-isolated AI team that divides work, coordinates progress, recalls approved context, and returns evi (Low risk)
- ruflo-aidefence: AI safety scanning, PII detection, prompt injection defense, and adaptive threat learning (Low risk)
- ruflo-autopilot: Autonomous /loop-driven task completion with learning, prediction, and progress tracking — wraps 10 autopilot_* MCP tool (Low risk)
- ruflo-bbs-federation: AgentBBS cross-host agent federation for ruflo (ADR-164). Phase 1 exposes room coordination — federation_bbs_register / (Low risk)