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Use when YouTube is or could be relevant — even if not mentioned: pasted video/channel/playlist links, video IDs, @handles, creator lookups, video summaries, quotes, translations, topic research, tutorials, talks, lectures, expert discussions, product reviews, how-to guides, new product announcements, or anything where video content is fresher or richer than text search. Covers transcripts, video/channel search, channel browsing, playlists, and within-channel search. Not for uploads, account man
Passed 15 of 19 test cases with the skill, and 7 of 19 without it.
and 10 more in the full report
10 fixed8 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to query live streams and recorded broadcasts for channel @lexfridman using `/api/v2/youtube/channel/videos`. Which query parameter selects stream broadcasts?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies tab=streams in query parameters | Missed | Passed |
The instructions your model reads when the skill loads.
Full YouTube data toolkit via TranscriptAPI.com. Transcripts, search, channels, playlists — one API key.
If $TRANSCRIPT_API_KEY is not set, read references/auth-setup.md and follow the instructions there to get and store the key.
Every request needs two headers:
Bearer $TRANSCRIPT_API_KEYHermesAgent/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.Full OpenAPI spec: transcriptapi.com/openapi.json — consult this for the latest parameters and schemas.
All requests: -H "Authorization: Bearer $TRANSCRIPT_API_KEY"
Channel endpoints accept channel — an @handle, channel URL, or UC... ID. No need to resolve first. Playlist endpoints accept playlist — a playlist URL or ID.
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 | Validation |
|---|---|---|---|
video_url | yes | — | YouTube URL or 11-char video ID |
format | no | json | json or text |
include_timestamp | no | true | true or false |
test cases passed, vs 7 / 19 without
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