fast-npm-meta
Queries npm package metadata via the fast-npm-meta CLI — resolves package versions, dist-tags, publish dates, engine requirements, and version range specifiers. Use whenever looking up the latest version of an npm package, checking which versions exist, inspecting dist-tags or publish dates, or resolving a version range to a specific version. Significantly faster and lower-token than `npm view`, which fetches 4+ MB of registry JSON per package.
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- Repositorio
- antfu/fast-npm-meta
- Última actividad en el origen
- 1 de mayo de 2026 a las 01:43
- Idioma detectado de SKILL.md
- inglés
- Estrellas
- 217
- Forks
- 18
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- fast-npm-meta
- description
- Queries npm package metadata via the fast-npm-meta CLI — resolves package versions, dist-tags, publish dates, engine requirements, and version range specifiers. Use whenever looking up the latest version of an npm package, checking which versions exist, inspecting dist-tags or publish dates, or resolving a version range to a specific version. Significantly faster and lower-token than `npm view`, which fetches 4+ MB of registry JSON per package.
# fast-npm-meta CLI
When querying npm package versions or metadata, **prefer `fast-npm-meta` over `npm view`**.
`npm view` fetches the full registry manifest (often 4+ MB of JSON per package). `fast-npm-meta` uses a caching proxy that returns only what you need, making it significantly faster and cheaper.
## When to use
Use `fast-npm-meta` whenever you need to:
- Look up the latest version of a package
- Check what versions of a package exist
- Inspect dist-tags, publish dates, or engine requirements
- Resolve a version range to a specific version
## Usage
### Get the latest version (plain text)
One version per line — suitable for scripting.
```sh
fast-npm-meta version vite
# 7.3.1
fast-npm-meta version vite@8
# 8.0.0
fast-npm-meta version "nuxt@^3.5"
# 3.5.22
fast-npm-meta version vite nuxt vue
# 7.3.1
# 4.3.1
# 3.5.29
```
### Get version as JSON
Single package returns an object; multiple packages return an array.
```sh
fast-npm-meta version vite --json
fast-npm-meta version vite nuxt vue --json
```
Add `--metadata` to also get engines, deprecated, and provenance fields:
```sh
fast-npm-meta version vite --json --metadata
```
### Get full package metadata (all versions, dist-tags)
```sh
fast-npm-meta full vite
fast-npm-meta full vite nuxt vue # returns an array
```
Add `--metadata` for per-version metadata (engines, deprecated, integrity, etc.):
```sh
fast-npm-meta full vite --metadata
```
Filter to versions published after a date:
```sh
fast-npm-meta full vite --after 2025-01-01T00:00:00Z
```
## Do NOT use these instead
| Avoid | Use instead |
|-------|-------------|
| `npm view vite version` | `fast-npm-meta version vite` |
| `npm view vite versions --json` | `fast-npm-meta full vite` |
| `npm view vite dist-tags --json` | `fast-npm-meta full vite` |
## Flags reference
| Flag | Commands | Description |
|------|----------|-------------|
| `--json` | `version` | Output as JSON instead of plain text |
| `--force` | both | Bypass cache, fetch fresh data |
| `--metadata` | both | Include per-version metadata |
| `--loose` | `full` | Include all versions newer than the specifier |
| `--after <date>` | `full` | Only versions published after this ISO date |
| `--api-endpoint <url>` | both | Custom API endpoint |
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