Schema | YouTube Transcript MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`TRANSPORT`	No	Transport mode (http or stdio)
`YT_TRANSCRIPT_DEBUG`	No	Enable debug mode	false
`YT_TRANSCRIPT_SERVER_PORT`	No	The port number for the server	8000

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
get_transcript	`Fetch the transcript for a YouTube video using yt-dlp. Args: video_id: YouTube video ID or URL language_code: Optional language code (e.g., 'en', 'es'). If not provided, uses auto-detected language. preserve_formatting: Whether to preserve timestamp formatting in plain text start_time: Optional start time in seconds to filter transcript end_time: Optional end time in seconds to filter transcript Returns: Complete transcript data with metadata`
search_transcript	`Search for specific text within a YouTube video transcript. Args: video_id: YouTube video ID or URL query: Text to search for language_code: Optional language code for transcript case_sensitive: Whether search should be case sensitive context_window: Seconds of context to include before/after matches Returns: Search results with context and timestamps`
get_available_languages	`Get list of available transcript languages for a YouTube video using yt-dlp. Args: video_id: YouTube video ID or URL Returns: List of available languages with metadata`
get_transcript_summary	`Get a summary of the transcript including key statistics and sample text. Args: video_id: YouTube video ID or URL language_code: Optional language code max_length: Maximum length of sample text Returns: Summary with statistics and sample text`

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
`get_server_info`	Get information about the YouTube Transcript MCP server.

YouTube Transcript MCP Server