youtube-summarize

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

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.

summarize_transcript

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

list_transcripts

List available transcript languages for a video.

Installation

Quick start (recommended)

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