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    "title": "YouTube Transcript Scraper — Timestamped Chunks",
    "description": "Extract existing YouTube captions as text, timed segments and source-linked chunks. Current VTT export has known text-escaping and zero-duration cue limitations; use text/segments/chunks while the subtitle fix is validated. Upstream access can fail.",
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        "required": [
          "videoUrls"
        ],
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            "title": "YouTube videos",
            "minItems": 1,
            "maxItems": 100000,
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          },
          "translateTo": {
            "title": "Translate to",
            "type": "string",
            "description": "Optional. Language code to machine-translate the transcript into (uses YouTube's own translation). Leave empty to keep the original language."
          },
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          },
          "maxConcurrency": {
            "title": "Max concurrency",
            "minimum": 1,
            "maximum": 20,
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          },
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          },
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            "title": "Maximum characters per chunk",
            "minimum": 200,
            "maximum": 20000,
            "type": "integer",
            "description": "Used when includeChunks is on. Unicode characters are counted; chunk timing stays at source-caption granularity.",
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          },
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          }
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