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YouTube
io.github.mcp-dir/youtube-mcp in the official MCP registry.
Endpoint https://api.mcp.ai/p_youtube. Source: github.com/mcp-dir/youtube-mcp.
The registry describes it as: Search, video, channel, playlist, comments, trending and related items from YouTube. Hosted by the p
We read its 35 tools on 2026-10-27. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
youtube_home_feed youtube_trending youtube_search youtube_resolve_url youtube_download youtube_hype youtube_hashtag youtube_playlist youtube_comments youtube_video_related youtube_channel_home youtube_channel_about youtube_channel_videos youtube_channel_shorts youtube_channel_playlists youtube_channel_community youtube_channel_featured youtube_channel_store youtube_channel_search youtube_channel_videos_post youtube_channel_shorts_post youtube_api youtube_my_channels youtube_comment_threads youtube_comment_reply youtube_comment_post youtube_comment_update youtube_comment_moderate youtube_comment_delete show_version report_bug connect toolkit_info marketplace authenticate
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/io-github-mcp-dir-youtube-mcp)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.
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