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ruvnet / cost-advise

Optimisation findings from your own Claude Code and Codex logs — low cache hit ratio, 1-hour cache writes that did not pay back, sub-agents on a top-tier model, Codex reasoning share, bloated sessions — each with evidence and a what-if saving. Use when asked how to cut spend or why it is high.

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SKILL.md
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Cost Advise

node ${CLAUDE_PLUGIN_ROOT}/scripts/advise.mjs --since 7d

Rules for presenting findings

  • Savings are what-if repricings of the same tokens at another rate. They say nothing about quality; tell the user to spot-check before switching a model.
  • A finding with saving n/a has no defensible number (no measured delta exists). Do not invent one.
  • Do not change settings, models or CLAUDE.md on the user's behalf; present the action and let them choose.
  • Prefer the largest controllable lever first: cache discipline, then model tier for sub-agents, then reasoning effort, then context size.
  • Pair with cost-ledger for the totals and cost-session to drill into one expensive session.