> For the complete documentation index, see [llms.txt](https://doc.duaer.com/zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/zh/getting-started/npm.md).

# 在 Duaer 里查npm 软件包

在 Duaer 里：按名称或关键词检索 npm 注册表中的 JavaScript 软件包，含最新版本、许可证与周下载量。一次成功查询用 1 额度。
## 能拿到什么

Duaer 数据市场里的「npm 软件包」：按名称或关键词检索 npm 注册表中的 JavaScript 软件包，含最新版本、许可证与周下载量。查到结果时用 1 额度，结果交给数字组织的下一个节点。

从节点创建器选 Duaer 数据 → npm 软件包，或打开 [数据市场](/zh/getting-started/data-market.md)。相关：[PyPI 软件包](/zh/getting-started/pypi.md)、[OSV 开源漏洞](/zh/getting-started/osv.md)。

## 适合做什么

- 为某功能挑选常用的 npm 包。
- 查看包的最新版本、许可证与仓库地址。

## 在画布里检索

1. 打开节点创建器，选 Duaer 数据 → npm packages。
2. 填 Words（如 date picker）。
3. Limit 默认 10，最大 20。执行。

查到结果才扣 1 额度；没有结果、输入有误或上游失败都不扣。

## 用 API 调用

- GET https://api.duaer.com/v1/data/npm?words=date%20picker
- Authorization: Bearer <Duaer key>

下方是与数据市场「复制技能」相同的英文技能，含参数、示例与返回字段。

## 调用技能（英文）

与数据市场「复制技能」一致。

```
---
name: duaer-npm
description: >-
  Duaer npm packages. JavaScript packages in the npm registry by name or keywords, with latest version, license, and weekly downloads.
  One successful search uses 1 Duaer credit.
---

# Duaer npm packages

Duaer npm packages searches the public npm registry and ranks results by npm relevance, including popularity.

## When to use

- Find a JavaScript library for a task and compare downloads.
- Get the latest version and license of a package.

## When not to use

- Python packages. Use https://skills.duaer.com/pypi.md.
- Vulnerabilities in a package. Use https://skills.duaer.com/osv.md.

## Call

`GET https://api.duaer.com/v1/data/npm?words=date%20picker`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `words`.

- `words` — Package name or keywords, such as date picker.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/npm?words=date%20picker` — date picker libraries.
- `GET https://api.duaer.com/v1/data/npm?words=react&limit=3` — the top React packages.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `package`, `version`, `description`, `license` — package facts.
- `weeklyDownloads`, `monthlyDownloads`, `dependents` — popularity.
- `keywords`, `repository`, `published` — tags, source repository, and release date.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/pypi.md — Duaer PyPI package
- https://skills.duaer.com/osv.md — Duaer OSV vulnerabilities

```
## Questions

### Duaer 的npm 软件包检索扣多少额度？

查到结果时扣 1 额度；没有结果或出错不扣。

### Duaer npm 软件包怎么排序？

Duaer npm 软件包沿用 npm 的相关度排序，其中包含流行度。

## 相关

- [在 Duaer 里查PyPI 软件包](https://doc.duaer.com/zh/getting-started/pypi.md)
- [在 Duaer 里查OSV 开源漏洞](https://doc.duaer.com/zh/getting-started/osv.md)