Harness Arena Fe — AI skill for Claude Code
Blind, LMSYS-style arena for comparing AI coding agent harnesses (Claude Code, Codex CLI, OpenClaw, Hermes, OnDemand) instead of models.
How to install Harness Arena Fe
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open Ondemand-OSS/harness-arena-fe and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Harness Arena Fe does
Blind, LMSYS-style arena for comparing AI coding agent harnesses (Claude Code, Codex CLI, OpenClaw, Hermes, OnDemand) instead of models. Same task, same model, isolated runs , humans judge blind, results roll up into an Elo leaderboard.
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README
Agentic Harness Arena Frontend
The web interface for [Agentic Harness Arena](https://www.harness-arena.ai), a blind evaluation platform for AI agent harnesses.
It lets users browse tasks, run evaluations, review anonymized outputs, and view leaderboard results.
Stack
- React
- Vite
- Tailwind CSS
Run locally
Requirements: Node.js 18+ and access to a compatible Arena API.
npm install
npm run dev
Open `http://localhost:5173`.
Configuration
Set `VITE_API_BASE` to the public URL of the API when building for a non-local environment:
VITE_API_BASE=https://api.example.com npm run build
For local development, leave it unset when using the development proxy.
Production build
npm run build
npm run preview
The generated static files are written to `dist/` and can be served by any static hosting provider with SPA route fallback enabled.
Related project
The API and evaluation service live in the [Agentic Harness Arena backend](https://github.com/Ondemand-OSS/harness-arena) repository.
License
MIT
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