Instructions file
Claude Code instructions for jbarbier/CLAUDE.md, covering claude.md, how to work (high-level mindset), task sizing — triage before spending tokens, branching — one session, one worktree, one branch and on task one and lands both in one merge.
jbarbier/claude-code-cost-estimate
Skill Claude CodeCodex
Estimates what a codebase would have cost to build with a traditional human team — the replacement cost to rebuild, not market value. Use when the user asks "how much did this cost?", "what's the ROI of Claude/Copilot on this repo?", "how long would a human team have taken?", or mentions COCOMO, LOCOMO, Function…