# nicovideo-dl を Homebrew でインストール

nicovideo-dl のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:nicovideo-dl
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install nicovideo-dl
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:nicovideo-dl
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.0.20190126
- **ソース概要:** Command-line program to download videos from www.nicovideo.jp
- **ホームページ:** <https://osdn.net/projects/nicovideo-dl/>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- nicovideo-dl (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 0.0.20190126
## プロジェクトの歴史と使われ方

nicovideo-dl is a command-line program for downloading videos from www.nicovideo.jp.

### プロジェクトの歴史

Homebrew packages version 0.0.20190126 from an OSDN release archive and identifies the OSDN project page as the homepage. The formula has been patched by Homebrew for newer Python compatibility, which is typical of small site-specific downloader scripts after upstream activity slows.

### 採用の歴史

The package has very small Homebrew usage: the July 2026 API reports zero installs over 30 and 90 days and five installs over 365 days. Homebrew marks the formula deprecated on 2025-10-23 because the repository was removed and schedules disablement for 2026-10-23.

### 使われ方

Users run `nicovideo-dl` against one or more Niconico video URLs. The official package metadata identifies it as a Python-backed command-line downloader for www.nicovideo.jp.

### パッケージ好きにとっての重要性

nicovideo-dl is significant mainly as a legacy package-manager artifact: a narrow video-site downloader whose upstream repository disappeared while the package manager continued to carry a patched historical release for users who still had scripts depending on it.

### タイムライン

- 2019-01-26: Homebrew stable version 0.0.20190126 is sourced from OSDN release infrastructure.
- 2025-10-23: Homebrew marks the formula deprecated because the repository was removed.
- 2026-07: Homebrew API reports five installs over 365 days.
- 2026-10-23: Homebrew formula metadata lists planned disablement.

### Related projects

- Niconico, OSDN, youtube-dl, yt-dlp

### ソース

- <https://formulae.brew.sh/api/formula/nicovideo-dl.json>
- <https://formulae.brew.sh/formula/nicovideo-dl>
- <https://osdn.net/projects/nicovideo-dl/>


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal


## Combined YAML source

View the package source record on GitHub. [combined/nicovideo-dl.yml](https://github.com/mxcl/pkgdb/blob/main/combined/nicovideo-dl.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph