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Youtube Transcript MCP Server

Content & MediaUse Caution4.8MCP RegistryLocal
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An MCP server retrieving transcripts of YouTube videos

About

An MCP server retrieving transcripts of YouTube videos

Security Report

4.8
Use Caution4.8High Risk

This YouTube transcript MCP server is well-structured with proper authentication via proxy configuration and secure credential handling through environment variables. The codebase demonstrates good security practices including input validation for video URLs, appropriate use of third-party libraries, and no evidence of malicious patterns. Minor code quality observations around broad exception handling and LRU cache usage do not materially impact security. Supply chain analysis found 7 known vulnerabilities in dependencies (0 critical, 4 high severity).

7 files analyzed · 11 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-jkawamoto-mcp-youtube-transcript": {
      "args": [
        "mcp-youtube-transcript"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

YouTube Transcript MCP Server

uv Python Application pre-commit GitHub License Dockerhub

This MCP server retrieves transcripts for given YouTube video URLs.

Tools

This MCP server provides the following tools:

get_transcript

Fetches the transcript of a specified YouTube video.

Parameters
  • url (string): The full URL of the YouTube video. This field is required.
  • lang (string, optional): The desired language for the transcript. Defaults to en if not specified.
  • next_cursor (string, optional): Cursor to retrieve the next page of the transcript.

get_timed_transcript

Fetches the transcript of a specified YouTube video with timestamps.

Parameters
  • url (string): The full URL of the YouTube video. This field is required.
  • lang (string, optional): The desired language for the transcript. Defaults to en if not specified.
  • next_cursor (string, optional): Cursor to retrieve the next page of the transcript.

get_video_info

Fetches the metadata of a specified YouTube video.

Parameters
  • url (string): The full URL of the YouTube video. This field is required.

get_available_languages

Retrieves the available languages for the video.

Parameters
  • url (string): The full URL of the YouTube video. This field is required.

Installation

[!NOTE] You'll need uv installed on your system to use uvx command.

For goose

Please refer to this tutorial for detailed installation instructions: YouTube Transcript Extension.

For Claude

Download the latest MCP bundle mcp-youtube-transcript.mcpb from the Releases page, then open the downloaded .mcpb file or drag it into the Claude Desktop's Settings window.

You can also manually configure this server for Claude Desktop. Edit the claude_desktop_config.json file by adding the following entry under mcpServers:

{
  "mcpServers": {
    "youtube-transcript": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/jkawamoto/mcp-youtube-transcript",
        "mcp-youtube-transcript"
      ]
    }
  }
}

After editing, restart the application.

For more information, see: Connect to local MCP servers - Model Context Protocol..

For LM Studio

To configure this server for LM Studio, click the button below.

Add MCP Server youtube-transcript to LM Studio

Using Docker

A Docker image for this server is available on Docker Hub. Please refer to the Docker Hub page for detailed usage instructions and documentation.

Response Pagination

When retrieving transcripts for longer videos, the content may exceed the token size limits of the LLM. To avoid this issue, this server splits transcripts that exceed 50,000 characters. If a transcript is split, the response will include a next_cursor. To retrieve the next part, include this next_cursor value in your request.

The token size limits vary depending on the LLM and language you are using. If you need to split responses into smaller chunks, you can adjust this using the --response-limit command line argument. For example, the configuration below splits responses to contain no more than 15,000 characters each:

{
  "mcpServers": {
    "youtube-transcript": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/jkawamoto/mcp-youtube-transcript",
        "mcp-youtube-transcript",
        "--response-limit",
        "15000"
      ]
    }
  }
}

Using Proxy Servers

In environments where access to YouTube is restricted, you can use proxy servers.

When using Webshare, set the username and password for the Residential Proxy using either the environment variables WEBSHARE_PROXY_USERNAME and WEBSHARE_PROXY_PASSWORD, or the command line arguments --webshare-proxy-username and --webshare-proxy-password.

When using other proxy servers, set the proxy server URL using either the environment variables HTTP_PROXY or HTTPS_PROXY, or the command line arguments --http-proxy or --https-proxy.

For more details, please visit: Working around IP bans - YouTube Transcript API.

License

This application is licensed under the MIT License. See the LICENSE file for more details.

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