YouTube Integration

The YouTube MCP server provides functionality to extract transcripts from YouTube videos.

Available Tools

get_youtube_transcript

Retrieves the transcript text from a YouTube video.

Parameters:

• videoUrl: Full YouTube video URL (supports standard, shortened, and embed URLs)

Returns: Object containing:

• content: Array with transcript text

URL Support

Handles multiple YouTube URL formats:

• Standard: https://www.youtube.com/watch?v=VIDEO_ID
• Shortened: https://youtu.be/VIDEO_ID
• Embed: https://www.youtube.com/embed/VIDEO_ID

Error Handling

The server implements standard error handling:

• Invalid URLs return ErrorCode.InvalidParams
• Missing URL returns ErrorCode.InvalidParams
• Failed transcript fetches return formatted error messages
• Graceful shutdown on SIGINT

Technical Details

• Built using the Highlight AI MCP SDK
• Uses youtube-transcript library
• Input validation via Zod
• Runs as a stdio-based MCP server
• Supports Node.js >=18.0.0

Limitations

• Only works with videos that have captions enabled
• Currently only returns English transcripts
• Rate limits depend on YouTube’s API restrictions