# Frourio Next > Skills for building type-safe Next.js API routes with frourio-next. Covers project setup, adding endpoints, middleware, and client usage with SWR/TanStack Query. Use when this capability is needed. - Skill: `tomevault-io/frourio-next` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/frourio-next` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/frourio-next/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Web & Frontend - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/frourio-next --- This skill set provides guidance for working with frourio-next, a type-safe API framework for Next.js App Router. ## Available skills - [setup.md](setup.md) — Integrate frourio-next into an existing Next.js project - [add-endpoint.md](add-endpoint.md) — Add a new API endpoint with `frourio.ts` and `route.ts` - [add-middleware.md](add-middleware.md) — Add middleware for authentication, authorization, logging, etc. - [client-usage.md](client-usage.md) — Use the auto-generated type-safe client (`fc`/`$fc`) with SWR and TanStack Query - [testing.md](testing.md) — Write tests for API routes using MSW and Vitest --- > Source: [frourios/frourio-next](https://github.com/frourios/frourio-next) — distributed by [TomeVault](https://tomevault.io).