1 instruction for Express
Copilot instructions for Express: Middleware, Routing and Validation. Structure, data, errors, security, performance, and tests. Express 5.3.0, Nov 2026.
# Express Copilot Instructions: Middleware, Routing and Validation
## Install
Install the native export at `.github/instructions/express.instructions.md`.
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# Express Copilot Instructions: Middleware, Routing and Validation
Path-specific Copilot instructions for Express. They apply through `applyTo` and leave `.github/copilot-instructions.md` in place.
## Updated for Express 5.3.0, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
## Project shape
Middleware i...