brianshin22/youtube-translate

{
  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
  "name": "youtube-translate",
  "version": "0.2.1",
  "description": "Transcripts, translations, summaries, subtitles, and timestamped search for public YouTube videos.",
  "author": {
    "name": "Silver Flight Group, LLC",
    "url": "https://youtubetranslate.com"
  },
  "homepage": "https://api.youtubetranslate.com/llms.txt",
  "repository": "https://github.com/brianshin22/youtube-translate-mcp",
  "license": "MIT",
  "keywords": [
    "youtube",
    "transcript",
    "translation",
    "subtitles",
    "summary",
    "mcp"
  ],
  "extensions": {
    "com.openai": {
      "onboardingSkill": "./skills/setup/SKILL.md",
      "interface": {
        "displayName": "YouTube Translate",
        "shortDescription": "Transcripts and translations",
        "longDescription": "Turn public YouTube videos into timestamped transcripts, translations, SRT or VTT subtitles, and summaries. Search inside a video for a topic or quotation and return matching passages with timestamps. Supports public videos up to 30 minutes. Speech recognition and generated text can contain errors. Private, members-only, and age-restricted sources are not supported. The service returns text, not downloadable video or audio.",
        "developerName": "Silver Flight Group, LLC",
        "category": "Productivity",
        "capabilities": [
          "Read",
          "Write"
        ],
        "websiteURL": "https://api.youtubetranslate.com/llms.txt",
        "supportURL": "https://github.com/brianshin22/youtube-translate-mcp/issues",
        "privacyPolicyURL": "https://api.youtubetranslate.com/privacy",
        "termsOfServiceURL": "https://api.youtubetranslate.com/terms",
        "defaultPrompt": [
          "Get a timestamped transcript of this YouTube video.",
          "Translate this YouTube video into Spanish and make subtitles.",
          "Summarize this YouTube video and find the part about pricing."
        ],
        "brandColor": "#164C38",
        "composerIcon": "./assets/icon.png",
        "logo": "./assets/logo.png",
        "screenshots": [
          "./assets/screenshot-demo.png"
        ]
      },
      "review": {
        "test_cases": {
          "positive": [
            {
              "description": "Read the transcript of an already cached public video",
              "prompt": "Get me the transcript of https://www.youtube.com/watch?v=jNQXAC9IVRw",
              "tools_triggered": "get_transcript",
              "expected_behavior": "Return the spoken text for the video. This demo video is already cached, so the call settles at the cached read price of 2,000 microcredits ($0.002) and no new transcription is queued. A video that is not yet cached first returns a cost quote that requires approval.",
              "expected_output_url": "https://api.youtubetranslate.com/walkthrough.mp4"
            },
            {
              "description": "Translate a cached video transcript into Spanish",
              "prompt": "Translate the transcript of https://www.youtube.com/watch?v=jNQXAC9IVRw into Spanish.",
              "tools_triggered": "get_translation",
              "expected_behavior": "Return the transcript translated into Spanish. The Spanish translation of this demo video is already cached, so the call settles at the cached read price. An uncached language returns a cost quote first and does not spend credits without an approved budget."
            },
            {
              "description": "Produce Spanish SRT subtitles for a video",
              "prompt": "Make Spanish SRT subtitles for https://www.youtube.com/watch?v=jNQXAC9IVRw",
              "tools_triggered": "get_subtitles",
              "expected_behavior": "Return a valid SRT subtitle file whose cue timings match the transcript and whose text is in Spanish."
            },
            {
              "description": "Summarize a video at medium length",
              "prompt": "Summarize https://www.youtube.com/watch?v=jNQXAC9IVRw",
              "tools_triggered": "get_summary",
              "expected_behavior": "Return a medium-length summary that reflects the actual content of the video without inventing details."
            },
            {
              "description": "Find a phrase inside a video with timestamps",
              "prompt": "Find where they talk about the elephant in https://www.youtube.com/watch?v=jNQXAC9IVRw",
              "tools_triggered": "search_video",
              "expected_behavior": "Return the matching passage with a timestamp pointing at the correct part of the video."
            }
          ],
          "negative": [
            {
              "description": "Video file download is not supported",
              "prompt": "Download the MP4 file for https://www.youtube.com/watch?v=jNQXAC9IVRw so I can save it.",
              "expected_behavior": "Refuse the download. The service only returns transcripts, translations, subtitles, summaries, and search results, and it never returns video or audio media."
            },
            {
              "description": "Paid processing must not start without an approved budget",
              "prompt": "Just transcribe https://www.youtube.com/watch?v=dQw4w9WgXcQ now, do not ask me about price or credits.",
              "expected_behavior": "Do not begin paid work. If the video is not cached, first call get_processing_quote, show the maximum cost, and obtain explicit approval before passing max_credit_units. Without a budget the request must stop rather than spend credits."
            },
            {
              "description": "Cannot process a non-YouTube link or a private video",
              "prompt": "Transcribe this private Notion page and this members-only video: https://www.youtube.com/watch?v=PRIVATE_ID",
              "expected_behavior": "Decline rather than guessing. Only public YouTube URLs are supported, and an inaccessible or invalid URL returns a clear error instead of fabricated transcript text."
            }
          ]
        },
        "demo_recording_url": "https://api.youtubetranslate.com/walkthrough.mp4",
        "commerce": true,
        "commerce_description": "YouTube Translate sells prepaid processing credits. Cached reads cost $0.002. Uncached transcription costs $0.01 per started minute, translation $0.002 per 1,000 characters, and summarization $0.005 per 1,000 characters. Credits are purchased as one-time prepaid packs through Stripe Link on api.youtubetranslate.com. There is no subscription and no automatic recharge."
      },
      "publication": {
        "release_notes": "Initial public submission. Adds a stable hosted MCP endpoint at api.youtubetranslate.com/mcp, OAuth dynamic client registration, and eight tools: get_processing_quote, start_video, get_video_status, get_transcript, get_translation, get_subtitles, get_summary, and search_video. Uncached processing requires an explicit approved credit budget."
      }
    }
  }
}