Expands one confirmed or suspected vulnerability into a Trailmark graph neighborhood of variant candidates by finding sibling functions, shared callers and callees, common sensitive sinks, common entrypoint paths, interface implementations, override relationships, type/reference neighbors, and structurally similar nodes.
Install
npx skills add trailofbits/skills --skill trailmark-variant-neighborhoodnpx skills add trailofbits/skills --skill trailmark-variant-neighborhood -a claude-code -gnpx skills add trailofbits/skills --skill trailmark-variant-neighborhood -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/trailmark/skills/trailmark-variant-neighborhoodgh skill install trailofbits/skills trailmark-variant-neighborhoodgit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/trailmark/skills/trailmark-variant-neighborhood ~/.claude/skills/trailmark-variant-neighborhood # Claude Code
cp -R /tmp/trailofbits__skills/plugins/trailmark/skills/trailmark-variant-neighborhood ~/.agents/skills/trailmark-variant-neighborhood # Codex, Cursor, Gemini CLI, Copilot, OpenCode