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claude-code

Bernstein bernstein-cost

install
source · Clone the upstream repo
git clone https://github.com/chernistry/bernstein
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/chernistry/bernstein "$T" && mkdir -p ~/.claude/skills && cp -r "$T/packages/cursor-plugin/skills/bernstein-cost" ~/.claude/skills/chernistry-bernstein-bernstein-cost && rm -rf "$T"
manifest: packages/cursor-plugin/skills/bernstein-cost/SKILL.md
source content

Bernstein Cost Tracker

Show detailed cost analysis and budget status.

When to Use

  • User asks "how much have we spent?" or "what's the cost?"
  • User wants per-model or per-agent cost breakdown
  • User asks about budget remaining or cost projection
  • User says "are we over budget?"

Instructions

  1. Run 
    scripts/costs.sh
    to fetch cost data.
  2. Run 
    scripts/costs.sh projection
    for cost forecast.
  3. Present a clear cost report:
## Cost Report

**Total spent:** $X.XX / $Y.YY budget (Z%)
**Status:** {OK | WARNING | OVER BUDGET}

### Per Model
| Model | Tasks | Cost | Avg/Task |
|-------|-------|------|----------|
| claude-sonnet-4 | 12 | $1.84 | $0.15 |
| gpt-4.1 | 5 | $0.62 | $0.12 |

### Per Agent
| Agent | Role | Tasks Done | Cost |
|-------|------|------------|------|
| claude-backend-01 | backend | 3 | $0.45 |

### Projection
At current rate, this run will cost ~$X.XX total.
Estimated completion: Y tasks remaining, ~Z minutes.
  1. If budget warning is active, highlight it prominently.
  2. If over budget, note that Bernstein has paused new task claims.