Solve competition math problems (IMO, Putnam, USAMO, AIME) with adversarial verification that catches the errors self-verification misses. Activates when asked to 'solve this IMO problem', 'prove this olympiad inequality', 'verify this competition proof', 'find a counterexample', 'is this proof correct', or for any problem with 'IMO', 'Putnam', 'USAMO', 'olympiad', or 'competition math' in it.
Install
npx skills add anthropics/claude-plugins-official --skill math-olympiadnpx skills add anthropics/claude-plugins-official --skill math-olympiad -a claude-code -gnpx skills add anthropics/claude-plugins-official --skill math-olympiad -a codex -ggemini skills install https://github.com/anthropics/claude-plugins-official.git --path plugins/math-olympiad/skills/math-olympiadgh skill install anthropics/claude-plugins-official math-olympiadgit clone --depth 1 https://github.com/anthropics/claude-plugins-official /tmp/anthropics__claude-plugins-official
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__claude-plugins-official/plugins/math-olympiad/skills/math-olympiad ~/.claude/skills/math-olympiad # Claude Code
cp -R /tmp/anthropics__claude-plugins-official/plugins/math-olympiad/skills/math-olympiad ~/.agents/skills/math-olympiad # Codex, Cursor, Gemini CLI, Copilot, OpenCode