Advertise
MCP.so
Sign In

YouTube Caption MCP Server

@iamyosuke

Repository

Basic information

Category

Media & Design

License

MIT

Transports

stdio

Author

iamyosuke

About YouTube Caption MCP Server

An MCP server for cursor to retrieve YouTube video captions without requiring an API key.

#youtube#captions#mcp#subtitles#api

YouTube Caption MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "youtube-caption-mcp": {
      "command": "npx",
      "args": [
        "@iamyosuke/youtube-caption-mcp"
      ],
      "env": {
        "LOG_LEVEL": "debug"
      }
    }
  }
}

YouTube Caption MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is YouTube Caption MCP Server?

An MCP server for Cursor that retrieves YouTube video captions without requiring an API key. It uses the youtube-js library to access YouTube's internal API and supports multiple languages and caption formats.

How to use YouTube Caption MCP Server?

Install globally from npm with npm install -g @iamyosuke/youtube-caption-mcp or build from source. Configure in Cursor's .cursor/mcp.json by adding the server entry with command: "npx" and args: ["-y", "youtube-caption-mcp", "--stdio"]. Use the four available tools: get_video_info, get_captions_list, download_captions, and search_videos_with_captions.

Key features of YouTube Caption MCP Server

  • No API key required for caption access
  • Multilingual support with automatic language detection
  • Caption output in Raw, SRT, and VTT formats
  • In-memory caching for improved performance
  • Seamless integration via MCP protocol with Cursor
  • Search for videos with captions using queries

Use cases of YouTube Caption MCP Server

  • Retrieve basic information about a YouTube video
  • List all available caption languages for a video
  • Download captions in a specific language and format
  • Search for YouTube videos that have captions in a certain language

Frequently asked questions

1

What is required to run the server?

Node.js and npm are required. Install the package globally or build from source.

2

Does it require a YouTube API key?

No, the server uses YouTube's internal API via the youtube-js library and does not require an API key.

3

How do I configure it for Cursor?

Add the server to `.cursor/mcp.json` with `command: "npx"` and `args: ["-y", "youtube-caption-mcp", "--stdio"]`. Environment variables like `CACHE_ENABLED` and `LOG_LEVEL` can be set in the `env` object.

4

What YouTube URL formats are supported?

Supported formats include `https://www.youtube.com/watch?v=VIDEO_ID`, `https://youtu.be/VIDEO_ID`, `https://www.youtube.com/embed/VIDEO_ID`, and the raw 11-character video ID.

5

What should I be cautious about?

Use the tool in accordance with YouTube's Terms of Service, handle copyrighted content appropriately, and be mindful of rate limits when sending many requests. The project was vibecoded and not thoroughly tested—use in production at your own risk.

Comments

More Media & Design MCP servers

PostNitro

PostNitro Inc.

The PostNitro MCP server lets AI assistants and agents — Claude (Desktop, Code, and Cowork), Cursor, ChatGPT, and any other Model Context Protocol client — create carousels, image posts, and videos, manage brand kits, a

GPT Image 2.5 MCP

you.bot

Generate and edit images with GPT Image 2.5 for $0.029 each. A free you.bot key (not an OpenAI key) comes with 50 credits — about 17 images — and needs no credit card.

P

Photo Mosaic & AI Collage Maker - Collager.ai

Collager.ai

Photo mosaic maker and AI photo collage maker: turn your own photos into a photo mosaic - one picture made of hundreds of your photos - or into a heart, number or word photo collage in seconds. No sign-in or API key need

GOJI

GOJI Agency

A remote MCP server from GOJI, a full-service digital agency in Melbourne, Australia. Nine tools over published material: a 104-term plain-English glossary, a 14-chapter guide to AI visibility, seven long-form guides inc

aicut

aicut

Make AI videos, images, voiceovers and full AI Video Story episodes from Claude, ChatGPT, Cursor or any MCP client, then post them to TikTok, YouTube and Instagram. Veo, Kling, Seedance and more, on your own aicut accoun

Advertise