{"slug":"backnotprop-arena","source_name":"backnotprop/arena","name":"Backnotprop/Arena","description":"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.","version":5,"lift":{"pass_rate_delta_pts":52.38,"pass_rate_pct":73.9,"total_cases":23,"passed_cases":17,"tokens_delta_pct":119.8,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.8-flash","grading_method":"judged","completed_at":"2026-11-03T03:51:30.605910+00:00"},"skill_score":0.8095,"benchmark_models":[{"model":"gemini-3.8-flash","headline":true,"delta_pts":52.38,"with_pass_pct":81,"without_pass_pct":28.6,"tokens_delta_pct":119.8,"turns_delta_pct":0,"total_cases":23,"cases_aggregated":21,"verdict":"mixed","never_hurt":true,"completed_at":"2026-11-03T03:51:30.605910+00:00","run_id":"a1c8c334-9472-4d42-94fa-ca26e7995704","latest_attempt":{"id":"a1c8c334-9472-4d42-94fa-ca26e7995704","runner_model":"gemini-3.8-flash","overall_verdict":"mixed","completed_at":"2026-11-03T03:51:30.605910+00:00","gate":null},"version_number":5,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"total_uses":0,"total_users":0,"manifest_hash":"a68c31e743d7c94e9bac1b62c7b827e61e94bb45d844ab1bf4f82aed47da1a6d","install_name":"backnotprop-arena","version_id":"283c6fc3-bdfc-4713-9bd4-6b412ccf620c","body_sha256":"a68c31e743d7c94e9bac1b62c7b827e61e94bb45d844ab1bf4f82aed47da1a6d","render_hash":"9fa4a382154f5d1043cb0613980e1bb340fff1aa466895417e0bd9ebf2779281","raw_url":"https://app.decimal.ai/s/backnotprop-arena/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/backnotprop-arena"}