7 files for Claude Code, Codex and OpenCode: new-interview, add-technology-choices, research-external-links, review-system-design-interview and 3 more — 22,094 tokens loaded in every session.
AGENTS.md A 11,047 tok CLAUDE.md A 11,047 tok .claude/skills/new-interview/SKILL.md A 76 tok .codex/skills/add-technology-choices/SKILL.md A 85 tok .codex/skills/research-external-links/SKILL.md A 81 tok .codex/skills/review-system-design-interview/SKILL.md A 97 tok .codex/skills/write-linkedin-interview-post/SKILL.md A 96 tok These files are zeljkoobrenovic/system-design-interviews's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.