Diagnose and fix browser, preview, or Electron export/download failures, especially image export issues involving Save As, Blob/Data URLs, the File System Access API, createWritable failures, and 0 KB files.
Install
npx skills add nexu-io/open-design --skill export-download-debuggingnpx skills add nexu-io/open-design --skill export-download-debugging -a claude-code -gnpx skills add nexu-io/open-design --skill export-download-debugging -a codex -ggemini skills install https://github.com/nexu-io/open-design.git --path skills/export-download-debugginggh skill install nexu-io/open-design export-download-debugginggit clone --depth 1 https://github.com/nexu-io/open-design /tmp/nexu-io__open-design
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/nexu-io__open-design/skills/export-download-debugging ~/.claude/skills/export-download-debugging # Claude Code
cp -R /tmp/nexu-io__open-design/skills/export-download-debugging ~/.agents/skills/export-download-debugging # Codex, Cursor, Gemini CLI, Copilot, OpenCode