Guides using bun.sys for system calls and file I/O in Zig. Use when implementing file operations instead of std.fs or std.posix.
Install
npx skills add oven-sh/bun --skill zig-system-callsnpx skills add oven-sh/bun --skill zig-system-calls -a claude-code -gnpx skills add oven-sh/bun --skill zig-system-calls -a codex -ggemini skills install https://github.com/oven-sh/bun.git --path .claude/skills/zig-system-callsgh skill install oven-sh/bun zig-system-callsgit clone --depth 1 https://github.com/oven-sh/bun /tmp/oven-sh__bun
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/oven-sh__bun/.claude/skills/zig-system-calls ~/.claude/skills/zig-system-calls # Claude Code
cp -R /tmp/oven-sh__bun/.claude/skills/zig-system-calls ~/.agents/skills/zig-system-calls # Codex, Cursor, Gemini CLI, Copilot, OpenCode