Routing Middleware

Gives Claude the context to work with Vercel's platform-level routing middleware, the layer that runs before cache on every request. Covers the critical disambiguation between Vercel's routing middleware, Next.js 16's proxy.ts rename, and edge functions. Includes matcher patterns for scoping routes, geolocation helpers, rewrite/redirect patterns, and Bun runtime configuration. The validation rules catch Next.js 16 migrations and chain to auth skills when it detects middleware doing manual JWT verification. Useful when you're building A/B tests, geo-routing, or request interception that needs to work across any framework deployed to Vercel.

skills.sh installs: 264
GitHub stars: 183
last updated: Jun 3, 2026

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Install

$ npx -y skills add vercel-labs/vercel-plugin --skill routing-middleware --agent claude-code

Installs into .claude/skills of the current project.

Files

Vercel Routing Middleware

You are an expert in Vercel Routing Middleware — the platform-level request interception layer.

What It Is

Routing Middleware runs before the cache on every request matching its config. It is a Vercel platform feature (not framework-specific) that works with Next.js, SvelteKit, Astro, Nuxt, or any deployed framework. Built on Fluid Compute.

SKILL.md on GitHub

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