zlatkoc/youtube-summarize

MCP server that fetches YouTube video transcripts and optionally summarizes them.
Features
- **Fetch transcripts** in multiple formats (text, JSON, SRT, WebVTT, pretty-print)
- **Video metadata** — title, description, channel, upload date, duration, views, chapters (via yt-dlp)
- **Optional timestamps** in plain-text transcripts
- **Summarize videos** — returns transcript with the prompt clearly broken out for human review before the LLM acts on it
- **List playlist videos** — fast enumeration of any public playlist with optional sorting
- **Search videos** — clean ranked results with sort and filter options, without the ads, Shorts shelves, and personalized recommendations of the YouTube website
- **List available languages** for any video's transcripts
- **Flexible URL parsing** — accepts full YouTube URLs (youtube.com/watch?v=, youtu.be/, youtube.com/embed/, youtube.com/shorts/) or bare video IDs
- **Multi-language support** — request transcripts in specific languages with fallback priority
Tools
get_transcript
Fetch a YouTube video's transcript. By default the response is prefixed with a [METADATA] block (title, channel, published, duration, views, description); pass include_metadata=false for transcript-only output.
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| url | string | *required* | YouTube video URL or video ID |
| languages | string[] | ["en"] | Preferred languages in priority order |
| format | string | "text" | Output format: text, json, pretty, webvtt, srt |
| preserve_formatting | boolean | false | Keep HTML formatting tags in the transcript |
| include_timestamps | boolean | false | When true with format="text", prefix each line with [HH:MM:SS]. Ignored for other formats (they already include timestamps). |
| include_metadata | boolean | true | Prepend a [METADATA] block before the transcript. Pass false for transcript-only output. |
summarize_transcript
Fetch a transcript and return it with summarization instructions. The response is structured into clearly-labeled sections ([INSTRUCTIONS], [PROMPT_SOURCE], [VIDEO], [METADATA], [TRANSCRIPT]) so a human can review the prompt before letting the LLM act on it.
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| url | string | *required* | YouTube video URL or video ID |
| prompt | string | *(default prompt)* | Custom summarization instructions |
| languages | string[] | ["en"] | Preferred languages in priority order |
| include_timestamps | boolean | false | Prefix each transcript line with [HH:MM:SS]. |
| include_metadata | boolean | true | Include a [VIDEO] block with title, channel, published, duration, views, and description. |
get_video_metadata
Fetch metadata (title, description, channel, upload date, duration, views, tags, chapters, etc.) for a YouTube video. Backed by yt-dlp.
| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| url | string | *required* | YouTube video URL or video ID |