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    "title": "YouTube Channel Finder With Contact Info Extraction",
    "description": "YouTube Channel Finder quickly discovers relevant YouTube channels based on keywords, niches, or topics. It scans search results, filters by metrics like subscribers and views, and returns structured data for research, outreach, or competitive analysis. Ideal for creators, marketers, and analysts.",
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        "type": "object",
        "properties": {
          "keywords": {
            "title": "🔎 Search keywords",
            "type": "array",
            "description": "Search terms to discover YouTube channels (e.g. \"cooking tutorials\", \"tech reviews\"). One keyword per line. Combine with \"Channels per keyword\" below.",
            "items": {
              "type": "string"
            }
          },
          "urls": {
            "title": "🔗 Direct channel/video URLs",
            "type": "array",
            "description": "Skip search and extract contact data directly from these YouTube channel or video URLs.",
            "items": {
              "type": "string"
            }
          },
          "channelCount": {
            "title": "📊 Channels per keyword",
            "minimum": 1,
            "maximum": 200,
            "type": "integer",
            "description": "Maximum number of channels to extract per search keyword. Example: channelCount=20 with 3 keywords -> up to 60 channels total. Default 10, supported range 1-200 (the about-page fetch is one serial HTTP request per channel, so very large values are not realistically deliverable in one run).",
            "default": 10
          },
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              "US",
              "GB",
              "CA",
              "AU",
              "IN",
              "DE",
              "FR",
              "JP",
              "BR",
              "MX",
              "ES",
              "IT",
              "NL",
              "PL",
              "RU",
              "KR",
              "TW"
            ],
            "type": "string",
            "description": "YouTube search region (country code). Affects which channels appear in search results.",
            "default": "US"
          },
          "language": {
            "title": "🗣️ Language",
            "enum": [
              "en",
              "es",
              "de",
              "fr",
              "pt",
              "ja",
              "hi",
              "zh",
              "ko",
              "ar",
              "ru"
            ],
            "type": "string",
            "description": "Interface and result language code (e.g. en for English).",
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          },
          "fromDate": {
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            "type": "string",
            "description": "Only include channels that joined YouTube on or after this date (YYYY-MM-DD). Leave empty for no filter."
          },
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            "type": "string",
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          },
          "requireContactSignal": {
            "title": "✅ Require a contact signal",
            "type": "boolean",
            "description": "When ON, only channels with at least one extracted email (contactEmails) OR at least one categorized social/website link (socialLinks) are saved to the dataset -- everything else is skipped. Default OFF (save every channel found).",
            "default": false
          },
          "proxyConfiguration": {
            "title": "🌐 Proxy configuration",
            "type": "object",
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        }
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