# Stack Upgrade Audit Express > Plan an Express major and/or Node.js runtime upgrade — read release notes, scan for affected patterns (route syntax, removed APIs), survey middleware co-bumps, produce a risk-ranked migration plan. Use when this capability is needed. - Skill: `tomevault-io/stack-upgrade-audit-express` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/stack-upgrade-audit-express` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/stack-upgrade-audit-express/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Security - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/stack-upgrade-audit-express --- Follow the instructions in [`StackUpgrade/stack-upgrade-audit.express.prompt.md`](../../../StackUpgrade/stack-upgrade-audit.express.prompt.md). Related: `/playbook stack-upgrade-fix-express`. --- > Source: [matthewcsimpson/agentic-playbooks](https://github.com/matthewcsimpson/agentic-playbooks) — distributed by [TomeVault](https://tomevault.io).