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YouTube字幕提取器

YouTube 字幕 MCP 服务器是一个用于检索指定 YouTube 视频字幕的工具。它通过提供 `get_transcript` 功能,允许用户输入视频 URL 和可选的语言参数,获取相应的字幕内容。该服务器支持通过 Goose CLI、Goose 桌面版和 Claude 桌面版进行配置和安装,并提供了详细的安装指南。此外,它还支持在受限环境中使用代理服务器访问 YouTube,确保字幕的顺利获取。项目采用 MIT 许可证,代码托管在 GitHub 上,方便用户使用和扩展。

article

README

YouTube Transcript MCP Server

Python Application GitHub License pre-commit Ruff Dockerhub

This MCP server retrieves transcripts for given YouTube video URLs.

YouTube Transcript Server MCP server

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.

Installation

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

For codename goose

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

For Claude Desktop

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: For Claude Desktop Users - 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.

help

运行方式说明

cloud

托管运行

托管运行通常表示这个 MCP Server 由服务方环境承载,用户一般按页面提供的连接方式或授权流程接入,不需要在本地长期启动一个 MCP 进程

  1. 打开服务方连接页
  2. 完成授权或复制端点
  3. 在 MCP 客户端中连接
terminal

本地运行 / 其它方式

本地运行通常需要用户在自己的电脑或服务器上安装依赖,把 server_config 复制到 MCP 客户端,并按 env_schema 补齐环境变量、密钥或其它配置

  1. 复制 server_config
  2. 安装所需依赖
  3. 补齐环境变量后重启客户端