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Captures subtitles from a YouTube video via yt-dlp, produces a prose summary with key takeaways, and saves both as OKF-conformant notes into the Video/ bundle in the Obsidian vault.
81 lines
2.7 KiB
Markdown
81 lines
2.7 KiB
Markdown
---
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name: youtube-video-capture
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description: Fetch subtitles from a YouTube video, summarize the content, and save both the summary and raw subtitles to the Video bundle in the Obsidian vault. Use when the user wants to capture a YouTube video, mentions "summarize this video", "capture this talk", or pastes a YouTube URL wanting it saved to vault.
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disable-model-invocation: true
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---
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Capture a YouTube video into the Obsidian vault. Extract subtitles, produce a summary, and save both to the `Video/` bundle as OKF-conformant notes.
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## Dependencies
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`yt-dlp` must be installed. Check with `which yt-dlp`. If missing, tell the user to install it (`pip install yt-dlp` or `brew install yt-dlp`) and stop.
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## Extract subtitles
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Run `yt-dlp` to download auto-generated English subtitles as SRT:
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```bash
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yt-dlp --write-auto-subs --sub-lang en-orig --convert-subs srt --skip-download -o "/tmp/yt-subs-%(id)s.%(ext)s" "<url>"
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```
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If no subtitles are available, tell the user and stop.
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Read the SRT file. Strip timestamps and sequence numbers to produce clean, contiguous text for summarization.
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## Summarize
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Produce a prose summary from the full subtitle text. Synthesize the content — do not regurgitate the transcript. Then extract **key takeaways** as a bulleted list.
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## Write to vault
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The vault root is `/home/sjb/Documents/sjb-brain/`. The `Video/` bundle is an OKF bundle. Create the directory if it doesn't exist, with an `index.md` and `log.md` following the pattern of other bundles in the vault.
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### Filenames
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- Summary: `YYYY-MM-DD_HH-mm_<kebab-case-title>.md`
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- Subtitle: `YYYY-MM-DD_HH-mm_<kebab-case-title>.srt`
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Use the video title, kebab-cased.
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### Summary note
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Write a markdown note with OKF v0.1 frontmatter:
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```yaml
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---
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id: <kebab-case-title>
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type: Video Summary
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aliases: []
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tags: [video, youtube, <content-derived-tags>]
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area: <derived-from-content-or-empty>
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project: ''
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---
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```
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Body:
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- Video title as the note's `#` heading
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- Link to the original YouTube URL
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- The prose summary
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- `## Key Takeaways` with bulleted list
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- `## Subtitle` with a markdown link to the `.srt` file
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Use standard markdown links, never `[[wikilinks]]`.
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### Subtitle file
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Copy the SRT file into `Video/` alongside the summary. No frontmatter.
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### Bundle maintenance
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After writing the pair:
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1. Update `Video/index.md` — add the new summary under a `## Flat Notes` or appropriate heading, with a one-line description.
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2. Append an entry to `Video/log.md` noting the addition with a timestamp.
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### Safety
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- If a filename collides, append a numeric suffix.
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- Redact likely credentials, secrets, or tokens from any inline content.
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- If the video has no subtitles, stop — do not attempt to transcribe.
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