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YouTube transcript extraction and content reformatting: given a YouTube video URL, opens the video's transcript panel, extracts all timestamped segments, and transforms the raw transcript into summaries, chapter outlines, Twitter/X threads, blog posts, or notable quotes.
Passed 10 of 17 test cases with the skill, and 5 of 17 without it.
and 4 more in the full report
7 fixed7 passed either way9 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
Navigating to https://www.youtube.com/watch?v=privatedemo fails because the video is marked private. What is the required user notification?
| Checked | Without skill | With skill |
|---|---|---|
| Asks the user to verify the video URL after reporting the loading error. | Missed | Passed |
The instructions your model reads when the skill loads.
YouTube video URL → timestamped transcript → summary / chapters / thread / blog / quotes
All process output to user (progress updates, process notifications) follows the user's language.
Extract the full transcript from a YouTube video's built-in transcript panel, then transform it into the output format the user requests.
https://www.youtube.com/watch?v={VIDEO_ID}If browser-act has been confirmed available in the current session → skip this step.
Invoke browser-act via Skill tool to load usage. If installation or configuration issues arise, follow its guidance to resolve then retry.
This Skill's operational boundary = what the user can manually do in their browser. It only reads data already displayed to the user on the page, never bypassing authentication or access controls. JS code is encapsulated in Python files under the
scripts/directory, invoked viaeval "$(python scripts/xxx.py)". Use the bash tool for execution.
eval "$(python scripts/get-languages.py)"
No parameters. Reads ytInitialPlayerResponse from the current page.
Output example:
{
"available_languages": [
{"code": "en", "name": "English", "kind": "manual", "is_auto": false},
{"code": "en", "name": "English (auto-generated)", "kind": "asr", "is_auto": true}
test cases passed, vs 5 / 17 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
More skills from the same source and nearby in the registry, with their headline benchmark lift.