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Agent skill

Hook

by kenneth-liao in kenneth-liao/ai-launchpad-marketplace

Create retention-optimized opening hooks for any content type.

No licenceAuto-check passedWriting & Content

Install Hook

skills CLI
$ npx skills add kenneth-liao/ai-launchpad-marketplace --skill hook -a claude-code

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

GitHub CLI
$ gh skill install kenneth-liao/ai-launchpad-marketplace hook --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/kenneth-liao/ai-launchpad-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/creator-stack/skills/hook .claude/skills/hook && 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
hook
GitHub stars
126
Token cost
~2.1k tokens
SKILL.md length
1,087 words
Files
4 (incl. references)
Skills in repo
26
Repo updated
First seen
Licence
None found

At a glance

Create retention-optimized opening hooks for any content type.

  • Works in 3 steps: Curiosity Extension → Direct Content Connection → Patterns to Avoid
  • Designing a video intro
  • SKILL.md covers Overview, When to Use, Content Type Resolution and Core Requirements, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Hook is an agent skill from kenneth-liao/ai-launchpad-marketplace. Create retention-optimized opening hooks for any content type. Use when designing a video intro, newsletter opening paragraph, social post hook, or when the user mentions "hook", "opening", "intro", "first 15 seconds", "retention", or "how should I start this".

Its SKILL.md is about 2.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/newsletter-hooks.md`, `references/social-hooks.md` and `references/youtube-hooks.md`).

It sits in Writing & Content, covering Social media posts and Newsletters.

When your agent uses it

  • Designing a video intro
  • Newsletter opening paragraph
  • Social post hook
  • The user mentions hook

Example prompts

  • “opening”
  • “first 15 seconds”
  • “retention”
  • “/hook”

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Curiosity Extension
  2. Direct Content Connection
  3. Patterns to Avoid

What it can do on your machine

Read from SKILL.md and the folder at commit 04b93d6. 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

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    No URLs in SKILL.md.

    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

Hook loads about 2.1k tokens when it runs, and up to ~5.1k if it reads all its reference files. Until then it costs about 67 tokens; SKILL.md has 1,087 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~67
When it runs · the whole SKILL.md, loaded when a task matches
~2.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~5.1k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 1,087 words (~2,149 tokens).

“This skill provides concrete requirements and proven patterns for creating opening hooks that retain audience attention, extend title/headline curiosity, and maximize engagement. The opening content is critical for retention across all platforms — video, email, and social.”

— opening of SKILL.md by kenneth-liao
name
hook

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in creator-stack/skills/hook of kenneth-liao/ai-launchpad-marketplace.

  • SKILL.md
  • references/newsletter-hooks.md
  • references/social-hooks.md
  • references/youtube-hooks.md

Open the folder on GitHubat commit 04b93d6

Compare with similar skills

Hook 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.

Hook compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Hook this skillkenneth-liao/ai-launchpad-marketplace126—~2.1kAutomated safety check: PassNone
Changelog Social RecapFlorianBruniaux/claude-code-ultimate-guide6.1k—~1.8kAutomated safety check: NotesCC-BY-SA-4.0
Voice Buildercharlie947/social-media-skills3.8k—~3.3kAutomated safety check: PassMIT
Humanized Chinese Writing PolisherEthanYoQ/agent-xiaohongshu-workbench153—~1.1kAutomated safety check: PassMIT
Content Writer Agentmastra-ai/mastra29k—~1.3kAutomated safety check: PassCustom licence
Anti AI Writingartemnovitckii/content-skills102—~3kAutomated safety check: PassMIT

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Categories

Questions about Hook

What does Hook do?

Create retention-optimized opening hooks for any content type. Hook is an agent skill from kenneth-liao/ai-launchpad-marketplace. Create retention-optimized opening hooks for any content type.

When should I use Hook?

Hook fits situations like: designing a video intro; newsletter opening paragraph; social post hook; the user mentions hook.

How do I install Hook in Claude Code?

Run `npx skills add kenneth-liao/ai-launchpad-marketplace --skill hook -a claude-code`. Or copy the skill folder (creator-stack/skills/hook in kenneth-liao/ai-launchpad-marketplace) into .claude/skills/hook in your project. Claude Code loads it when a task matches its description.

How do I install Hook in Codex?

Run `npx skills add kenneth-liao/ai-launchpad-marketplace --skill hook -a codex`. Or copy the skill folder (creator-stack/skills/hook in kenneth-liao/ai-launchpad-marketplace) into .agents/skills/hook in your project. Codex loads it when a task matches its description.

Can I use Hook 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 kenneth-liao/ai-launchpad-marketplace --skill hook -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/hook, .gemini/skills/hook, .github/skills/hook and .opencode/skills/hook in your project.

What does Hook need to run?

SKILL.md names no scripts, command-line tools or credentials: Hook is instructions for the agent only.

Does Hook access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Hook 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 Hook use?

No licence was found for Hook or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Hook use?

About 2.1k tokens (SKILL.md is roughly 8.6k 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 3k tokens, read only when the agent opens those files.

What are the alternatives to Hook?

Skills that share tags, products or a category with Hook: Changelog Social Recap (FlorianBruniaux/claude-code-ultimate-guide, 6.1k stars), Voice Builder (charlie947/social-media-skills, 3.8k stars), Humanized Chinese Writing Polisher (EthanYoQ/agent-xiaohongshu-workbench, 153 stars) and Content Writer Agent (mastra-ai/mastra, 29k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Hook?

kenneth-liao (a GitHub user) maintains it in kenneth-liao/ai-launchpad-marketplace, which has 126 GitHub stars. The repository holds 26 skills in this directory. The repository was last updated on March 23, 2026.

Source: kenneth-liao/ai-launchpad-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.