arkenv
Answer questions about ArkEnv and help implement environment variable validation. Use when developers: (1) Ask about environment…
@onmaxInstall SkillDevelopment
Skill
/nitro
Nitro is the framework-agnostic server toolkit (powering Nuxt) for building and deploying web servers anywhere. Use when working with nitro.config, server routes/event handlers, route rules, caching, storage, tasks, websockets, or deploying to Node/Bun/Deno/Cloudflare/Vercel.
Claude Code
$ npx -y skills add onmax/nuxt-skills --skill nitro --agent claude-code
Codex
$ npx skills add onmax/nuxt-skills --skill nitro -a codex -y
Cursor
$ npx skills add onmax/nuxt-skills --skill nitro -a cursor -y
Gemini CLI
$ npx skills add onmax/nuxt-skills --skill nitro -a gemini-cli -y
GitHub Copilot
$ npx skills add onmax/nuxt-skills --skill nitro -a github-copilot -y
OpenCode
$ npx skills add onmax/nuxt-skills --skill nitro -a opencode -y
Windsurf
$ npx skills add onmax/nuxt-skills --skill nitro -a windsurf -y
SKILL.md
nitro.SKILL.mdname: nitro
description: Nitro is the framework-agnostic server toolkit (powering Nuxt) for building and deploying web servers anywhere. Use when working with nitro.config, server routes/event handlers, route rules, caching, storage, tasks, websockets, or deploying to Node/Bun/Deno/Cloudflare/Vercel.
metadata:
author: Anthony Fu
version: "2026.9.25"
source: Generated from https://github.com/nitrojs/nitro, scripts located at https://github.com/antfu/skills
> The skill is based on Nitro v3 (beta, 3.0.260903), generated at 2026-09-25.
Nitro is a framework-agnostic, deployment-agnostic server toolkit powered by [H3](https://h3.dev) v2, [unstorage](https://unstorage.unjs.io), and Vite/Rolldown/Rollup. It powers Nuxt and works standalone. From one codebase it builds optimized output for Node.js, Bun, Deno, Cloudflare, Vercel, Netlify, and more.
Key capabilities:
- **Filesystem routing** with H3 v2 event handlers, dynamic params, and method suffixes.
- **Route rules** for declarative caching, headers, redirects, proxying, and CORS.
- **Caching** layer (cached handlers/functions, SWR) on top of the **unstorage** KV layer.
- **Runtime config** overridable via `NITRO_*` env vars.
- **Tasks** (on-demand + scheduled/cron), **WebSockets**/SSE, a SQL **database** layer, and **OpenAPI** auto-docs.
- **Plugins & lifecycle hooks**, custom **renderer**/**server entry**, and portable **deployment presets**.
> **Key v3 changes** (vs. `nitropack` v2): the package is renamed `nitropack` → `nitro` with H3 v2 (web-standard `Request`/`Response`); **auto-imports are removed** (import everything explicitly); directory scanning is **opt-in** via `serverDir`; `useStorage` → `useKV` (`nitro/kv`) and the `storage` config option → `kv`; cache `swr` now defaults to `false`. If unsure about v2-vs-v3 APIs, read [advanced-migration](references/advanced-migration.md) first.
Core
| Topic | Description | Reference | |-------|-------------|-----------| | Routing | File-based routes, `defineHandler`, params, middleware, route rules, errors | [core-routing](references/core-routing.md) | | Configuration | `nitro.config.ts`, `defineConfig`, key options, runtime config | [core-configuration](references/core-configuration.md) | | Storage | unstorage KV, mount points, drivers, dynamic mounts | [core-storage](references/core-storage.md) | | Cache | `defineCachedHandler`, `defineCachedFunction`, SWR, invalidation | [core-cache](references/core-cache.md) | | Assets | Public assets, compression, server assets via storage | [core-assets](references/core-assets.md) | | Rendering | Renderer (HTML/SSR), server entry, framework integration | [core-rendering](references/core-rendering.md) |
Features
| Topic | Description | Reference | |-------|-------------|-----------| | Plugins & Hooks | `definePlugin`, runtime lifecycle hooks, error capture | [features-plugins](references/features-plugins.md) | | Tasks | On-demand & scheduled (cron) tasks, `runTask` | [features-tasks](references/features-tasks.md) | | WebSocket & SSE | `defineWebSocketHandler`, pub/sub, namespaces, event streams | [features-websocket](references/features-websocket.md) | | Database | Built-in SQL layer via db0, `useDatabase`, connectors | [features-database](references/features-database.md) | | OpenAPI | Auto spec from `defineRouteMeta`, Scalar/Swagger UIs | [features-openapi](references/features-openapi.md) |
Advanced / Deployment
| Topic | Description | Reference | |-------|-------------|-----------| | Deployment Presets | Runtimes & providers, compatibility dates, platform integration | [deploy-presets](references/deploy-presets.md) | | v2 → v3 Migration | Package rename, `nitro/*` imports, H3 v2 API, preset changes | [advanced-migration](references/advanced-migration.md) |
Read more
name: nitro description: Nitro is the framework-agnostic server toolkit (powering Nuxt) for building and deploying web servers anywhere. Use when working with nitro.config, server routes/event handlers, route rules, caching, storage, tasks, websockets, or deploying to Node/Bun/Deno/Cloudflare/Vercel. metadata: author: Anthony Fu version: "2026.9.25" source: Generated from https://github.com/nitrojs/nitro, scripts located at https://github.com/antfu/skills
> The skill is based on Nitro v3 (beta, 3.0.260903), generated at 2026-09-25.
Nitro is a framework-agnostic, deployment-agnostic server toolkit powered by [H3](https://h3.dev) v2, [unstorage](https://unstorage.unjs.io), and Vite/Rolldown/Rollup. It powers Nuxt and works standalone. From one codebase it builds optimized output for Node.js, Bun, Deno, Cloudflare, Vercel, Netlify, and more.
Key capabilities:
- **Filesystem routing** with H3 v2 event handlers, dynamic params, and method suffixes.
- **Route rules** for declarative caching, headers, redirects, proxying, and CORS.
- **Caching** layer (cached handlers/functions, SWR) on top of the **unstorage** KV layer.
- **Runtime config** overridable via `NITRO_*` env vars.
- **Tasks** (on-demand + scheduled/cron), **WebSockets**/SSE, a SQL **database** layer, and **OpenAPI** auto-docs.
- **Plugins & lifecycle hooks**, custom **renderer**/**server entry**, and portable **deployment presets**.
> **Key v3 changes** (vs. `nitropack` v2): the package is renamed `nitropack` → `nitro` with H3 v2 (web-standard `Request`/`Response`); **auto-imports are removed** (import everything explicitly); directory scanning is **opt-in** via `serverDir`; `useStorage` → `useKV` (`nitro/kv`) and the `storage` config option → `kv`; cache `swr` now defaults to `false`. If unsure about v2-vs-v3 APIs, read [advanced-migration](references/advanced-migration.md) first.
Core
| Topic | Description | Reference | |-------|-------------|-----------| | Routing | File-based routes, `defineHandler`, params, middleware, route rules, errors | [core-routing](references/core-routing.md) | | Configuration | `nitro.config.ts`, `defineConfig`, key options, runtime config | [core-configuration](references/core-configuration.md) | | Storage | unstorage KV, mount points, drivers, dynamic mounts | [core-storage](references/core-storage.md) | | Cache | `defineCachedHandler`, `defineCachedFunction`, SWR, invalidation | [core-cache](references/core-cache.md) | | Assets | Public assets, compression, server assets via storage | [core-assets](references/core-assets.md) | | Rendering | Renderer (HTML/SSR), server entry, framework integration | [core-rendering](references/core-rendering.md) |
Features
| Topic | Description | Reference | |-------|-------------|-----------| | Plugins & Hooks | `definePlugin`, runtime lifecycle hooks, error capture | [features-plugins](references/features-plugins.md) | | Tasks | On-demand & scheduled (cron) tasks, `runTask` | [features-tasks](references/features-tasks.md) | | WebSocket & SSE | `defineWebSocketHandler`, pub/sub, namespaces, event streams | [features-websocket](references/features-websocket.md) | | Database | Built-in SQL layer via db0, `useDatabase`, connectors | [features-database](references/features-database.md) | | OpenAPI | Auto spec from `defineRouteMeta`, Scalar/Swagger UIs | [features-openapi](references/features-openapi.md) |
Advanced / Deployment
| Topic | Description | Reference | |-------|-------------|-----------| | Deployment Presets | Runtimes & providers, compatibility dates, platform integration | [deploy-presets](references/deploy-presets.md) | | v2 → v3 Migration | Package rename, `nitro/*` imports, H3 v2 API, preset changes | [advanced-migration](references/advanced-migration.md) |
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Questions about nitro.
- Which coding agents can use nitro?
- nitro installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.