Build or review an element chart — a patent claim chart (infringement, invalidity, or review) or a civil element chart for any cause of action or defense — with every cell pin-cited and gap detection as the priority output.
Install
npx skills add anthropics/claude-for-legal --skill claim-chartnpx skills add anthropics/claude-for-legal --skill claim-chart -a claude-code -gnpx skills add anthropics/claude-for-legal --skill claim-chart -a codex -ggemini skills install https://github.com/anthropics/claude-for-legal.git --path litigation-legal/skills/claim-chartgh skill install anthropics/claude-for-legal claim-chartgit clone --depth 1 https://github.com/anthropics/claude-for-legal /tmp/anthropics__claude-for-legal
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__claude-for-legal/litigation-legal/skills/claim-chart ~/.claude/skills/claim-chart # Claude Code
cp -R /tmp/anthropics__claude-for-legal/litigation-legal/skills/claim-chart ~/.agents/skills/claim-chart # Codex, Cursor, Gemini CLI, Copilot, OpenCode