Check and interpret data-breach exposure for an email, username, phone or name using Have I Been Pwned, the Pwned Passwords k-anonymity range API, DeHashed, IntelX and Snusbase. Use when checking breach or leak exposure, finding which services an account was registered with, interpreting a combolist or credential dump, assessing credential compromise, or auditing your own leaked personal data.
Install
npx skills add UseOSINT/Skills --skill what-leaked-about-younpx skills add UseOSINT/Skills --skill what-leaked-about-you -a claude-code -gnpx skills add UseOSINT/Skills --skill what-leaked-about-you -a codex -ggemini skills install https://github.com/UseOSINT/Skills.git --path skills/what-leaked-about-yough skill install UseOSINT/Skills what-leaked-about-yougit clone --depth 1 https://github.com/UseOSINT/Skills /tmp/UseOSINT__Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/UseOSINT__Skills/skills/what-leaked-about-you ~/.claude/skills/what-leaked-about-you # Claude Code
cp -R /tmp/UseOSINT__Skills/skills/what-leaked-about-you ~/.agents/skills/what-leaked-about-you # Codex, Cursor, Gemini CLI, Copilot, OpenCode