A high-performance Model Context Protocol (MCP) server for fetching YouTube video transcripts, implemented in Go.
youtube-mcp is an MCP project maintained in the kyong0612/youtube-mcp repository. The maintainer describes its purpose as “A high-performance Model Context Protocol (MCP) server for fetching YouTube video transcripts, implemented in Go”. Read the project documentation for the complete scope.
The project provides a local client configuration using youtube-mcp-stdio. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares LOG_LEVEL, CACHE_ENABLED, YOUTUBE_DEFAULT_LANGUAGES. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"youtube-transcript": {
"command": "youtube-mcp-stdio",
"args": [],
"env": {
"LOG_LEVEL": "info",
"CACHE_ENABLED": "true",
"YOUTUBE_DEFAULT_LANGUAGES": "en,ja"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| LOG_LEVEL | Declared in the maintainer’s client configuration. | Check documentation |
| CACHE_ENABLED | Declared in the maintainer’s client configuration. | Check documentation |
| YOUTUBE_DEFAULT_LANGUAGES | Declared in the maintainer’s client configuration. | Check documentation |
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