Summary
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.
Install to Claude Code
npx -y skills add vercel-labs/vercel-plugin --skill routing-middleware --agent claude-codeInstalls into .claude/skills of the current project.
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Files
SKILL.md
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
