Manage matter workspaces — create, list, switch, close, or detach the active matter (practice-level). Use when working across multiple clients or matters and you need to keep one engagement's context separate from another, or when a substantive skill needs to know which matter it's working in.
Install
npx skills add anthropics/claude-for-legal --skill matter-workspacenpx skills add anthropics/claude-for-legal --skill matter-workspace -a claude-code -gnpx skills add anthropics/claude-for-legal --skill matter-workspace -a codex -ggemini skills install https://github.com/anthropics/claude-for-legal.git --path regulatory-legal/skills/matter-workspacegh skill install anthropics/claude-for-legal matter-workspacegit 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/regulatory-legal/skills/matter-workspace ~/.claude/skills/matter-workspace # Claude Code
cp -R /tmp/anthropics__claude-for-legal/regulatory-legal/skills/matter-workspace ~/.agents/skills/matter-workspace # Codex, Cursor, Gemini CLI, Copilot, OpenCode