Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add bacchus-labs/wrangler --skill youtube-transcriptiongit clone --depth 1 https://github.com/bacchus-labs/wranglerWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/bacchus-labs/wrangler/youtube-transcription)<a href="https://agentmods.dev/skills/bacchus-labs/wrangler/youtube-transcription"><img src="https://agentmods.dev/badge/skills/bacchus-labs/wrangler/youtube-transcription/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/bacchus-labs/wrangler/youtube-transcription"><img src="https://agentmods.dev/badge/skills/bacchus-labs/wrangler/youtube-transcription.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00048 | $0.01722 |
| Opus 5 | $0.00024 | $0.00861 |
| Sonnet 5 | $0.00010 | $0.00344 |
| Haiku 4.5 | $0.00005 | $0.00172 |
Grade B, and why
youtube-transcript scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
sudo apt update && sudo apt install -y yt-dlp How it starts
The opening of the file, as written. The whole thing — 265 lines — stays where its author put it; the contents beside it link to each section on GitHub.
YouTube Transcript Downloader
This skill helps download transcripts (subtitles/captions) from YouTube videos using yt-dlp.
When to Use This Skill
Activate this skill when the user:
- Provides a YouTube URL and wants the transcript
- Asks to "download transcript from YouTube"
- Wants to "get captions" or "get subtitles" from a video
- Asks to "transcribe a YouTube video"
- Needs text content from a YouTube video
Available Scripts
This skill includes modular scripts in the scripts/ directory:
| Script | Purpose |
|---|---|
check-ytdlp.sh |
Check if yt-dlp is installed, attempt installation if not |
download-transcript.sh |
Main workflow: download subtitles with automatic fallback |
whisper-transcribe.sh |
Last resort: download audio and transcribe with Whisper |
vtt-to-text.py |
Convert VTT subtitle files to plain text with deduplication |
Script Location
# Scripts are located at:
SKILL_DIR="$(dirname "$0")" # When running from skill directory
# Or use absolute path from wrangler installation
Quick Start
Option 1: Use the Main Download Script
# Download transcript (tries manual subs, then auto-generated)
./scripts/download-transcript.sh "https://www.youtube.com/watch?v=VIDEO_ID"
# Specify output directory
./scripts/download-transcript.sh "https://www.youtube.com/watch?v=VIDEO_ID" ./transcripts
Option 2: Manual Step-by-Step
# 1. Check/install yt-dlp
./scripts/check-ytdlp.sh --install
# 2. Download transcript
./scripts/download-transcript.sh "YOUTUBE_URL"
# 3. If no subtitles available, use Whisper
./scripts/whisper-transcribe.sh "YOUTUBE_URL"
How It Works
Priority Order:
- Check if yt-dlp is installed - install if needed
- List available subtitles - see what's actually available
- Try manual subtitles first (
--write-sub) - highest quality - Fallback to auto-generated (
--write-auto-sub) - usually available - Last resort: Whisper transcription - if no subtitles exist (requires user confirmation)
- Confirm the download and show the user where the file is saved
- Automatically convert VTT to plain text with deduplication
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 265 lines · 48 tokens per session scan B d7abef24a94a
youtube-transcript is a skill published in the GitHub repository bacchus-labs/wrangler (4 stars, last pushed 6mo ago), licensed MIT. It adds 48 tokens to every session and 1,722 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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