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youtube-summarize

Created By
zlatkoca month ago
MCP server that fetches YouTube video transcripts and optionally summarizes them. Supports multiple output formats (text, JSON, SRT, WebVTT), language selection, and returns transcripts with summarization instructions for the LLM client.
# youtube
# transcript
OverviewContentToolsComments
Overview

youtube-summarize

MCP server that fetches YouTube video transcripts and optionally summarizes them.

Demo — summarizing a YouTube video in Claude

Features

  • Fetch transcripts in multiple formats (text, JSON, SRT, WebVTT, pretty-print)
  • Summarize videos — returns transcript with instructions for the LLM to produce a summary
  • List available languages for any video's transcripts
  • Flexible URL parsing — accepts full YouTube URLs (youtube.com/watch?v=, youtu.be/, youtube.com/embed/, youtube.com/shorts/) or bare video IDs
  • Multi-language support — request transcripts in specific languages with fallback priority

Tools

get_transcript

Fetch a YouTube video's transcript.

ParameterTypeDefaultDescription
urlstringrequiredYouTube video URL or video ID
languagesstring[]["en"]Preferred languages in priority order
formatstring"text"Output format: text, json, pretty, webvtt, srt
preserve_formattingbooleanfalseKeep HTML formatting tags in the transcript

summarize_transcript

Fetch a transcript and return it with summarization instructions for the LLM client.

ParameterTypeDefaultDescription
urlstringrequiredYouTube video URL or video ID
promptstring(default prompt)Custom summarization instructions
languagesstring[]["en"]Preferred languages in priority order

list_transcripts

List available transcript languages for a video.

ParameterTypeDefaultDescription
urlstringrequiredYouTube video URL or video ID

Installation

uvx youtube-summarize

Claude Desktop

Add to your claude_desktop_config.json:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "youtube-summarize": {
      "command": "uvx",
      "args": ["youtube-summarize"]
    }
  }
}

Claude Code

claude mcp add youtube-summarize -- uvx youtube-summarize

Other MCP clients

Run the server over stdio:

uvx youtube-summarize

Prerequisites

  • Python 3.13+
  • uv package manager

Development

# Install dependencies
uv sync

# Launch the MCP inspector (web UI for testing tools)
uv run mcp dev main.py

License

MIT

mcp-name: io.github.zlatkoc/youtube-summarize

Server Config

{
  "mcpServers": {
    "youtube-summarize": {
      "command": "uvx",
      "args": [
        "youtube-summarize"
      ]
    }
  }
}
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