Schema | youtube-research-mcp

youtube-research-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`YOUTUBE_API_KEY`	No	YouTube Data API v3 key for search and comments functionality. Optional; without it, only transcript and channel analysis are available.
`YOUTUBE_RESEARCH_CACHE_DB`	No	Custom path for the SQLite cache database file. If not set, uses default OS-specific path.

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }
`logging`	{}
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`extensions`	{ "io.modelcontextprotocol/ui": {} }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
get_transcriptC	Fetch a YouTube transcript by URL or video ID.
search_videosC	Search YouTube videos and return structured metadata.
get_video_commentsC	Fetch top-level YouTube comments for one video.
collect_video_discussionC	Collect one video's transcript plus comments for discussion analysis.
collect_research_sourcesC	Search YouTube and collect transcript-ready sources for analysis.
collect_research_discussionsC	Search YouTube and collect transcript plus comments for each usable video.
analyze_videosC	Collect transcripts, metadata, and optional comments for specific videos.
analyze_channelC	Collect transcripts and comments from a specific YouTube channel's recent videos.
get_quota_usageA	Return today's YouTube Data API quota usage and remaining estimate.
get_capabilitiesA	Return which tools are available based on current configuration.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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