AI News Digest

Automated daily AI news digest powered by Claude Code's /loop feature. Posts bilingual digests (English + Traditional Chinese) to Slack #update-vibe.

Two digest types:

• News Digest — Web news across 6 AI categories
• YouTube Digest — Video summaries from @AIDailyBrief with PDF exports

Demo

Setup

1. Install Python dependencies:

   pip install -r requirements.txt

2. Install system dependencies:

   Tool	Purpose	Install
   yt-dlp	Fetch YouTube videos & metadata	pip install yt-dlp
   ffmpeg	Audio extraction for Whisper	ffmpeg.org
   google-chrome	Headless PDF generation	chrome
   b2	Backblaze B2 CLI for uploads	pip install b2

3. Copy .env.example to .env and fill in credentials:

   cp .env.example .env

4. Required environment variables:

   Variable	Purpose
   SLACK_BOT_TOKEN	Slack Bot Token (xoxb-...) with chat:write scope
   SLACK_CHANNEL_ID	Channel ID for #update-vibe
   SLACK_WEBHOOK_URL	(Optional) Webhook fallback
   B2_KEY_ID	Backblaze B2 key ID (for YT digest PDF uploads)
   B2_APP_KEY	Backblaze B2 application key
   B2_BUCKET_NAME	B2 bucket name (e.g. claw-dir)
   HF_TOKEN	HuggingFace token (Whisper fallback for transcripts)

5. Invite your Slack bot to #update-vibe:

   /invite @YourBotName
   

Usage

News Digest

/ai-news-digest-news           # Run once
/loop 24h /ai-news-digest-news # Run every 24h

Searches 6 AI news categories via WebSearch, fetches articles, deduplicates against previous runs, and posts a bilingual summary to Slack.

YouTube Digest

/ai-news-digest-yt             # Run once
/loop 24h /ai-news-digest-yt   # Run every 24h

Pipeline:

1. Fetch recent videos from @AIDailyBrief (last 48h)
2. Extract transcripts (subtitles → Whisper fallback)
3. Claude generates bilingual summaries (EN + zh-TW)
4. Build HTML → PDF via headless Chrome
5. Upload PDFs to Backblaze B2 (presigned URLs, 7-day expiry)
6. Post digest with summaries + PDF links to Slack

Project Structure

.claude/commands/
  ai-news-digest-news.md        — News digest slash command
  ai-news-digest-yt.md          — YouTube digest slash command

scripts/
  slack_notify.sh                — Slack posting (Bot Token + webhook fallback)
  yt/
    fetch_recent_videos.py       — List recent videos (yt-dlp + date filter + dedup)
    get_transcript.py            — Extract transcript (subs → Whisper fallback)
    build_html.py                — Markdown → styled HTML
    build_pdf.py                 — HTML → PDF (headless Chrome)
    upload_b2.py                 — Upload to B2, returns presigned URL

digest-news/YYYY-MM-DD/         — News digest backups (gitignored)
digest-yt/YYYY-MM-DD/           — YT digest outputs (gitignored)
.state/                          — Dedup state files (gitignored)

News Categories

Emoji	Category
🧠	LLM / Foundation Models
📦	AI Products & Applications
⚖️	AI Policy & Regulation
🔬	AI Research Papers
💼	Industry & Business
🔓	Open Source AI

Limitations

• /loop has a max duration of ~3 days — restart periodically
• WebSearch availability may vary by region
• Slack messages auto-split if exceeding ~4000 char limit
• B2 presigned URLs expire after 7 days by default