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transcript

Use when the spoken content of a YouTube video is needed — even if not explicitly requested: pasted video links or IDs, requests to summarize, quote, transcribe, translate, fact-check, or extract anything from a video. Also use for research or learning when a video is the source. Not for uploads or account management.

ZeroPointRepo/youtube-skills

インストール方法を見る

含まれるファイル（3）

SKILL.md4.5 KB
references/auth-setup.md7.2 KB
references/curl-examples.md407 B

SKILL.md（原文）

インストールする前に、エージェントに与えられる指示の中身を確認できます。

Transcript

Fetch video transcripts via TranscriptAPI.com.

Setup

If $TRANSCRIPT_API_KEY is not set, read references/auth-setup.md and follow the instructions there to get and store the key.

Required Headers

Every request needs two headers:

Authorization: Bearer $TRANSCRIPT_API_KEY
User-Agent: your agent's name and version if known (e.g. HermesAgent/0.11.0, ClaudeCode/1.0). Version is optional — agent name alone is fine. Do not omit this header or send a bare default — Cloudflare will return a 403 (error code 1010) and block the request.

GET /api/v2/youtube/transcript

GET https://transcriptapi.com/api/v2/youtube/transcript?video_url=VIDEO_URL&format=text&include_timestamp=true&send_metadata=true
Authorization: Bearer $TRANSCRIPT_API_KEY
User-Agent: YourAgent/1.0

Param	Required	Default	Values
`video_url`	yes	—	YouTube URL or 11-char video ID
`format`	no	`json`	`json`, `text`
`include_timestamp`	no	`true`	`true`, `false`
`send_metadata`	no	`false`	`true`, `false`

Accepts: full URLs (youtube.com/watch?v=ID), short URLs (youtu.be/ID), shorts (youtube.com/shorts/ID), or bare video IDs.

Default: Always use format=text&include_timestamp=true&send_metadata=true unless user specifies otherwise.

Response (format=json):

{
  "video_id": "dQw4w9WgXcQ",
  "language": "en",
  "transcript": [
    { "text": "We're no strangers to love", "start": 18.0, "duration": 3.5 },
    { "text": "You know the rules and so do I", "start": 21.5, "duration": 2.8 }
  ],
  "metadata": {
    "title": "Rick Astley - Never Gonna Give You Up",
    "author_name": "Rick Astley",
    "author_url": "https://www.youtube.com/@RickAstley",
    "thumbnail_url": "https://i.ytimg.com/vi/dQw4w9WgXcQ/maxresdefault.jpg"
  }
}

Response (format=text):

{
  "video_id": "dQw4w9WgXcQ",
  "language": "en",
  "transcript": "[00:00:18] We're no strangers to love\n[00:00:21] You know the rules...",
  "metadata": {...}
}

Errors

Code	Meaning	Action
401	Bad API key	Check key or re-setup
402	No credits	Top up at transcriptapi.com/billing
403/1010	Cloudflare block	Add or fix User-Agent header
404	No transcript	Video may not have captions enabled
408	Timeout	Retry once after 2s
429	Rate limited	Wait and retry

Tips

For long videos, summarize key points first, offer full transcript on request.
Use format=json when you need precise timestamps for quoting specific moments.
Use include_timestamp=false for clean text suitable for translation or analysis.
1 credit per successful request. Errors don't cost credits.
Free tier: 100 credits, 300 req/min.

Copy-paste examples

Every request in this file as a ready-to-run one-liner: references/curl-examples.md

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概要と使いどころ

captions

無料

Use when captions, subtitles, or the spoken text of a YouTube video is needed — even if not explicitly requested: pasted video links or IDs, requests to read, quote, or translate a video, accessibility needs, deaf/HoH use cases, content review, or language learning. Fetches timestamped caption data from any YouTube video. Not for uploading subtitles or account management.

日本語の概要は準備中です。原文の説明を表示しています。