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claude-code-cost-estimate

Estimates human rebuild cost and ROI of any codebase

Estimates what a codebase would cost to rebuild with a traditional human team, using four cross-checked methods including COCOMO II and Function Points. Produces P10/P50/P90 ranges, market-rate research, full team costs, and real token-based ROI from session logs. Saves a terminal report and machine-readable JSON to a temp directory so sensitive numbers never land in git.
npx skills add jbarbier/claude-code-cost-estimate --all -g -y

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Frequently Asked Questions

FAQPage Schema
How to install claude-code-cost-estimate?โ–ผ

Run `npx skills add jbarbier/claude-code-cost-estimate --all -g -y` in your terminal to install the skill globally for all your projects.

How to estimate what a codebase cost to build?โ–ผ

Open Claude Code in the project and run /cost-estimate. It measures lines of code, applies market rates, and cross-checks four estimation methods to produce a defensible cost range.

Does the estimate equal my codebase's market value?โ–ผ

No. It reports the replacement cost to rebuild with a human team, which is different from market value or what you actually spent. The report states this distinction clearly.

Can it measure Claude or Copilot ROI on a repo?โ–ผ

Yes. It reads real token usage from session logs and git history to compute speed multipliers, cost savings, and value per hour compared to a human team.

Do I need extra tools to run the cost estimate?โ–ผ

No. It works out of the box, though installing cloc, tokei, or scc gives faster and more accurate line counts.

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