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codex-agent-core-template: Skill for Claude Code

.agents/skills/youtube-transcript-ingest/SKILL.md

youtube-transcript-ingest is a skill for Claude Code, Codex from TheMuleA/codex-agent-core-template. It costs 67 tokens per session (1,006 once invoked), scanned A, original, MIT.

A workflow for obtaining the spoken text of a YouTube video from its subtitles or automatically generated captions, without downloading the video or audio. It then turns that text into a structured summary or analysis.

In plain words
What is it for?
Use it to create transcripts, summaries, key-point notes, timestamps, or analyses of YouTube videos from their captions.
Why use it?
It gives you the useful content of a video when reading is faster, easier to search, or more practical than watching it. It also defines what to do when someone sends only a YouTube link: produce a detailed summary.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is TheMuleA/codex-agent-core-template's own configuration. It tells Claude Code and Codex how to work on codex-agent-core-template itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything codex-agent-core-template configures →

not rated 12repo 5mo ago A scan 67 tokens original MIT
View source ↗ TheMuleA/codex-agent-core-template
Reuse

Borrowing it

Nothing to install: this file belongs to TheMuleA/codex-agent-core-template. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/TheMuleA/codex-agent-core-template/main/.agents/skills/youtube-transcript-ingest/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/TheMuleA/codex-agent-core-template

Made for: Claude Code, Codex.

Wrote 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.

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README.md
[![agentmods](https://agentmods.dev/badge/skills/themulea/codex-agent-core-template/youtube-transcript-ingest/github.svg)](https://agentmods.dev/skills/themulea/codex-agent-core-template/youtube-transcript-ingest)
Your own site
<a href="https://agentmods.dev/skills/themulea/codex-agent-core-template/youtube-transcript-ingest"><img src="https://agentmods.dev/badge/skills/themulea/codex-agent-core-template/youtube-transcript-ingest/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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/themulea/codex-agent-core-template/youtube-transcript-ingest"><img src="https://agentmods.dev/badge/skills/themulea/codex-agent-core-template/youtube-transcript-ingest.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,006 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00067 $0.01006
Opus 5.5 $0.00027 $0.00402
Sonnet 5.5 $0.00013 $0.00201
Haiku 4.5 $0.00007 $0.00101

Measured 2mo ago against content hash 042c843f8152, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

youtube-transcript-ingest scanned grade A with 0 findings 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 2mo 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/youtube-transcript-ingest/SKILL.md · 81 lines

How it starts

The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.

YouTube Transcript Ingest

Назначение

Получить расшифровку YouTube-ролика через subtitles / auto-subtitles без скачивания видео или аудио, сделать понятное резюме и предложить, как использовать или хранить материал.

Канонические детали находятся в agent/protocols/youtube-transcript-ingest-protocol.md.

Когда использовать

Использовать, когда пользователь:

  • прислал YouTube URL без дополнительных комментариев;
  • попросил конспект, расшифровку, тезисы, таймкоды, анализ или выжимку YouTube-ролика;
  • прислал YouTube URL вместе с инструкцией, как использовать ролик.

Если ссылка пришла без комментариев, задача по умолчанию: сделать подробное, структурное и понятное резюме видео, отразив ключевые идеи, смыслы, выводы и аргументы без воды.

Если ссылка пришла с инструкцией пользователя, инструкция имеет приоритет, а этот skill используется как технический и аналитический маршрут.

Разрешения

YouTube URL считается узким разрешением на:

  • интернет-доступ только к этой ссылке и transcript endpoints;
  • transcript-only локальный запуск для subtitles / auto-subtitles;
  • временные файлы в /private/tmp или output/.

Не разрешено без отдельного подтверждения:

  • скачивать видео или аудио;
  • устанавливать yt-dlp или другие зависимости;
  • использовать cookies, browser profile, авторизованные сессии или bot-check обход;
  • запускать ASR / Whisper;
  • сохранять файлы в raw/, agent/ или projects/;
  • менять файлы проекта, Git, MCP, GUI или внешние папки.

Procedure

  1. Определи, есть ли у пользователя отдельная инструкция к ссылке.
  2. Получи transcript-only данные через yt-dlp, если инструмент доступен.
  3. Если yt-dlp отсутствует, остановись и предложи временную установку в /private/tmp или другой согласованный вариант.
  4. Не скачивай видео или аудио.
  5. Если обычный режим не видит автосубтитры, попробуй fallback client mode, например youtube:player_client=android.
  6. Предпочитай json3, если он доступен.
  7. Очисти transcript: убери служебные элементы, пустые сегменты, HTML entities, последовательные дубли и грубые ASR-артефакты.
  8. Дай в чат структурное резюме, достаточное для понимания видео без просмотра.
  9. Коротко предложи, как материал можно использовать для Agent Core или выбранного project layer, если это уместно.
  10. Аргументированно предложи вариант хранения или интеграции: не сохранять, output/, raw/, source note, project/agent integration или гибридный вариант.
  11. Любое сохранение или интеграция в файлы выполняется только через PROPOSE -> APPROVE -> APPLY.

Read the full file on GitHub · 81 lines

Changes

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.

  1. 2mo ago First seen · 81 lines · 67 tokens per session scan A 042c843f8152

Subscribe to this mod's changes

youtube-transcript-ingest is a skill published in the GitHub repository TheMuleA/codex-agent-core-template (12 stars, last pushed 5mo ago), licensed MIT. It adds 67 tokens to every session and 1,006 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

ResearchWriting and docs
Related

youtube-transcript-ingest compared with skills from other repositories

youtube-transcript-ingest next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
youtube-transcript-ingestTheMuleA/codex-agent-core-templateSkill125mo agoMITA67Claude Code, Codex
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143kyesterdayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143kyesterdayMITA103Claude Code