YouTube Transcript API

A Python service that provides APIs to fetch and transcribe YouTube video content. It supports both REST API (Flask) and MCP server implementations.

Features

Fetch YouTube video transcripts in multiple languages (English and Vietnamese)
Auto-detect and use available transcripts
Fallback to audio transcription using Whisper when transcripts are unavailable
Support for both REST API and MCP server interfaces
Automatic language detection
Temporary file cleanup
Progress reporting for long-running operations

Installation

pip install -r requirements.txt

Usage

REST API (Flask)

Start the Flask server:

python apps/flask_server.py

Available endpoints:

GET /transcript?video_id=<video_id>&language=<lang> - Get video transcript
GET /video/info?video_id=<video_id> - Get video information
GET /health - Health check endpoint

MCP Server

Start the MCP server:

python apps/mcp_server.py

Available tools:

get_transcript(video_id, language) - Get video transcript
extract_transcript(video_id, language) - Extract transcript from audio
search_youtube_video(query) - Search for YouTube videos

Language Support

English (en)
Vietnamese (vi)
Auto-detection for other languages

Dependencies

youtube-transcript-api
pytube
whisper
torch
langdetect
flask (for REST API)
mcp (for MCP server)

Development

The project structure:

apps/
├── __init__.py
├── flask_server.py  # REST API implementation
├── mcp_server.py    # MCP server implementation
└── utils.py         # Shared utilities

License

MIT License