Safely update public-company Excel model copies from source-to-model maps; emits XLSX as the hero artifact and CSV/log/manifest as support. Do not use for pure earnings notes or broad workbook audits.
Install
npx skills add openai/plugins --skill equity-model-updatenpx skills add openai/plugins --skill equity-model-update -a claude-code -gnpx skills add openai/plugins --skill equity-model-update -a codex -ggemini skills install https://github.com/openai/plugins.git --path plugins/public-equity-investing/skills/equity-model-updategh skill install openai/plugins equity-model-updategit clone --depth 1 https://github.com/openai/plugins /tmp/openai__plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__plugins/plugins/public-equity-investing/skills/equity-model-update ~/.claude/skills/equity-model-update # Claude Code
cp -R /tmp/openai__plugins/plugins/public-equity-investing/skills/equity-model-update ~/.agents/skills/equity-model-update # Codex, Cursor, Gemini CLI, Copilot, OpenCode