arena
Spawn N parallel candidates at the same task, pick a base, graft the strongest parts of the losers into it. Use for /arena, 'arena this', 'throw it in the arena', or when one attempt at a non-trivial artifact would lock in the wrong shape.
Install
git clone https://github.com/cursor/plugins /tmp/plugins && ln -s /tmp/plugins/pstack/skills/arena ~/.claude/skills/arenaFrom README
Arena Fan out N parallel attempts at the same task. Read every candidate end to end. Pick the strongest as the base. Graft the best ideas from the others into it. Verify the synthesized result. Start Open a todolist with one entry per phase before launching anything. The arena runs autonomously and the list keeps phases from silently disappearing. Frame Fan out Cross-judge Pick Graft Verify Phase A: Frame The N candidates will receive the same prompt, so the prompt is the contract. Get it right before spawning anything. State the artifact each candidate is producing. Derive the rubric. State what success looks like for this task, then turn it into 3-6 concrete gradeable criteria. Concrete: Adds a --dry-run flag that skips writes. Vague: code is correct. The rubric is the picker's tool in Phase D; candidates only see the task. Pick the runners. Use arena runners from /.cursor/rules/pstack-models.mdc when present.
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