A skill your agent uses when Chrome 拡張(suno-helper / distrokid-helper / community-helper)の導入・更新、または拡張向け collection server の起動・停止を行うとき。「拡張入れて」「extension 更新」「サーバー起動」で発動。排他的な --install / --update /…

Custom licenceAuto-check passed

Install Extension

skills CLI
$ npx skills add daiki-beppu/youtube-automation --skill extension -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install daiki-beppu/youtube-automation extension --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/daiki-beppu/youtube-automation.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/extension .claude/skills/extension && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
extension
GitHub stars
169
Token cost
~520 tokens
SKILL.md length
165 words
Files
6 (incl. references)
Skills in repo
21
Repo updated
First seen
Licence
Custom licence

At a glance

A skill your agent uses when Chrome 拡張(suno-helper / distrokid-helper / community-helper)の導入・更新、または拡張向け collection server の起動・停止を行うとき。「拡張入れて」「extension 更新」「サーバー起動」で発動。排他的な --install / --update /…

  • SKILL.md covers 前後工程, 成果物, モード判定 and 修飾フラグ, plus 2 more sections
  • Runs Python scripts from its folder; calls uv

What it does

Extension is an agent skill from daiki-beppu/youtube-automation. Use when Chrome 拡張(suno-helper / distrokid-helper / community-helper)の導入・更新、または拡張向け collection server の起動・停止を行うとき。「拡張入れて」「extension 更新」「サーバー起動」で発動。排他的な --install / --update / --serve / --stop mode と対象を絞る --suno / --distrokid / --community modifier を使える

Its SKILL.md is about 520 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `references/extension-mode-guard.py`, `references/install.md` and `references/serve.md`).

It works with Suno. The repository describes itself as: YouTube チャンネル自動化 共有コア.

Example prompts

  • “/extension”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 4725876. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships script files (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Extension loads about 520 tokens when it runs, and up to ~2.6k if it reads all its reference files. Until then it costs about 66 tokens; SKILL.md has 165 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~66
When it runs · the whole SKILL.md, loaded when a task matches
~520
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 165 words (~520 tokens).

“reference を読む前、またはファイル・process を変更する前に $ARGUMENTS を guard へ渡す。”

— opening of SKILL.md by daiki-beppu, Custom licence
name
extension
purpose
準備する

Read the full SKILL.md on GitHub

Files

SKILL.md and 5 other files (references) in .claude/skills/extension of daiki-beppu/youtube-automation.

  • SKILL.md
  • references/extension-mode-guard.py
  • references/install.md
  • references/serve.md
  • references/stop.md
  • references/update.md

Open the folder on GitHubat commit 4725876

Compare with similar skills

Extension next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Extension compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Extension this skilldaiki-beppu/youtube-automation169—~520Automated safety check: PassCustom licence
AI Media GeneratorHao0321/ai-media-generator258—~5.6kAutomated safety check: PassMIT
Mira Historysandeco/mira-animator218—~4kAutomated safety check: PassCustom licence
Clipboardbitwize-music-studio/claude-ai-music-skills540—~1.4kAutomated safety check: NotesCC0-1.0
AI Music And Soundsocial-media-skills/skills128—~1.9kAutomated safety check: PassMIT
Prismer Songwriting And AI MusicPrismer-AI/PrismerCloud1.6k6 repos~2.9kAutomated safety check: PassMIT

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Works with

Questions about Extension

What does Extension do?

A skill your agent uses when Chrome 拡張(suno-helper / distrokid-helper / community-helper)の導入・更新、または拡張向け collection server の起動・停止を行うとき。「拡張入れて」「extension 更新」「サーバー起動」で発動。排他的な --install / --update /…. Extension is an agent skill from daiki-beppu/youtube-automation.

How do I install Extension in Claude Code?

Run `npx skills add daiki-beppu/youtube-automation --skill extension -a claude-code`. Or copy the skill folder (.claude/skills/extension in daiki-beppu/youtube-automation) into .claude/skills/extension in your project. Claude Code loads it when a task matches its description.

How do I install Extension in Codex?

Run `npx skills add daiki-beppu/youtube-automation --skill extension -a codex`. Or copy the skill folder (.claude/skills/extension in daiki-beppu/youtube-automation) into .agents/skills/extension in your project. Codex loads it when a task matches its description.

Can I use Extension in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add daiki-beppu/youtube-automation --skill extension -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/extension, .gemini/skills/extension, .github/skills/extension and .opencode/skills/extension in your project.

What does Extension need to run?

Going by SKILL.md and its folder, Extension needs Python for the scripts in its folder and the command-line tools its instructions call (uv). Our summary lists: Python 3.

Does Extension access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Extension safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Extension use?

Extension has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Extension use?

About 520 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.1k tokens, read only when the agent opens those files.

What are the alternatives to Extension?

Skills that share tags, products or a category with Extension: AI Media Generator (Hao0321/ai-media-generator, 258 stars), Mira History (sandeco/mira-animator, 218 stars), Clipboard (bitwize-music-studio/claude-ai-music-skills, 540 stars) and AI Music And Sound (social-media-skills/skills, 128 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Extension?

daiki-beppu (a GitHub user) maintains it in daiki-beppu/youtube-automation, which has 169 GitHub stars. The repository holds 21 skills in this directory. The repository was last updated on October 7, 2026.

Source: daiki-beppu/youtube-automation on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.