Fix direct I/O in Output SDK workflow functions. Use when workflow hangs, returns undefined, shows "workflow must be deterministic" errors, or when HTTP/API calls are made directly in workflow code.
Install
npx skills add growthxai/output --skill output-error-direct-ionpx skills add growthxai/output --skill output-error-direct-io -a claude-code -gnpx skills add growthxai/output --skill output-error-direct-io -a codex -ggemini skills install https://github.com/growthxai/output.git --path coding_assistants/claude/plugins/outputai/skills/output-error-direct-iogh skill install growthxai/output output-error-direct-iogit clone --depth 1 https://github.com/growthxai/output /tmp/growthxai__output
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/growthxai__output/coding_assistants/claude/plugins/outputai/skills/output-error-direct-io ~/.claude/skills/output-error-direct-io # Claude Code
cp -R /tmp/growthxai__output/coding_assistants/claude/plugins/outputai/skills/output-error-direct-io ~/.agents/skills/output-error-direct-io # Codex, Cursor, Gemini CLI, Copilot, OpenCode