Identifies error-prone APIs, dangerous configurations, and footgun designs that enable security mistakes. Use when reviewing API designs, configuration schemas, cryptographic library ergonomics, or evaluating whether code follows 'secure by default' and 'pit of success' principles. Triggers: footgun, misuse-resistant, secure defaults, API usability, dangerous configuration.
Install
npx skills add trailofbits/skills --skill sharp-edgesnpx skills add trailofbits/skills --skill sharp-edges -a claude-code -gnpx skills add trailofbits/skills --skill sharp-edges -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/sharp-edges/skills/sharp-edgesgh skill install trailofbits/skills sharp-edgesgit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/sharp-edges/skills/sharp-edges ~/.claude/skills/sharp-edges # Claude Code
cp -R /tmp/trailofbits__skills/plugins/sharp-edges/skills/sharp-edges ~/.agents/skills/sharp-edges # Codex, Cursor, Gemini CLI, Copilot, OpenCode