Preview YouTube transcript source
preview_youtube_transcript_sourceUse before importing a YouTube video to verify transcript availability and preview the title, word count, excerpt, and default filename.
When to use it
Use before importing a YouTube video to verify transcript availability and preview the title, word count, excerpt, and default filename.
Find candidate library objects before reading full evidence.
Metadata lists, ids, snippets, activity, and discovery hints.
Avoid using it when
Use existing source search when the transcript may already be saved, or import_youtube_transcript_source when the user explicitly asked to save it.
Advanced input contract
Agent hosts use this JSON Schema to validate the exact input shape.
View full registry notes
Check whether a YouTube video transcript can be imported into an accessible Prism Project folder. Requires an existing folder and returns preview metadata without creating folders or saving content. Use when: Use before importing a YouTube video to verify transcript availability and preview the title, word count, excerpt, and default filename. Avoid when: Use existing source search when the transcript may already be saved, or import_youtube_transcript_source when the user explicitly asked to save it.
View JSON Schema
{
"type": "object",
"properties": {
"folderId": {
"type": "string",
"format": "uuid"
},
"folderPath": {
"type": "string",
"maxLength": 512,
"description": "Folder name or /-delimited path; an alternative to folderId so no prior lookup is needed."
},
"createFolderPath": {
"type": "boolean",
"const": false,
"description": "Preview requires an existing folder."
},
"url": {
"type": "string",
"minLength": 1,
"maxLength": 2000
},
"language": {
"type": "string",
"minLength": 1,
"maxLength": 24
}
},
"required": [
"url"
],
"additionalProperties": false
}