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 Ootto-AI/claude-content-skills --skill viral-hook-writergit clone --depth 1 https://github.com/Ootto-AI/claude-content-skillsWrote 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/ootto-ai/claude-content-skills/viral-hook-writer)<a href="https://agentmods.dev/skills/ootto-ai/claude-content-skills/viral-hook-writer"><img src="https://agentmods.dev/badge/skills/ootto-ai/claude-content-skills/viral-hook-writer/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/ootto-ai/claude-content-skills/viral-hook-writer"><img src="https://agentmods.dev/badge/skills/ootto-ai/claude-content-skills/viral-hook-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00064 | $0.00549 |
| Opus 5 | $0.00032 | $0.00275 |
| Sonnet 5 | $0.00013 | $0.00110 |
| Haiku 4.5 | $0.00006 | $0.00055 |
Grade A, and why
viral-hook-writer 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 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.
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.
What it actually says
Viral Hook Writer
Generate a batch of scroll-stopping hooks for a reel — the make-or-break first 1-3 seconds.
When to use
You have a reel topic but the opening is weak. The hook is ~80% of whether anyone watches — this gives you options to test.
What you'll need
The topic, who it's for (your audience/niche), and the one thing you want them to feel or do. Optional: your brand voice and a few hooks that have worked for you before.
Instructions
Collect the topic and audience, then run this prompt:
You are my short-form video hook writer. Topic: [topic]. Audience: [who it's for]. Desired reaction: [stop scrolling / save it / comment / DM me].
Write 10 hooks for the first 1-3 seconds. Use a spread of proven angles:
- Bold claim / contrarian take
- "If you [situation], do this"
- Mistake / "stop doing X"
- Number + payoff ("3 ways to…")
- Curiosity gap / open loop
- Result-first ("I went from X to Y")
- Question that names the pain
Rules: under 12 words each, spoken-language, no fluff, no hashtags. For each hook add a 3-5 word on-screen text version. Mark the 3 you'd test first and say why in one line.
Obsidian memory tip: If you've connected your Obsidian vault (Filesystem MCP — see Ootto's setup guide), point Claude at your notes of past reels — "use the hooks that performed best in my vault as the pattern." Hooks grounded in your winners beat generic ones.
Tip: Always generate 10 and test 2-3. The hook you love is rarely the one that wins.
Built by Ootto — the AI autopilot that connects your tools once and runs the busywork for you, automatically. Book a demo →
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 · 51 lines · 64 tokens per session scan A 33996d5c5924
viral-hook-writer is a skill published in the GitHub repository Ootto-AI/claude-content-skills (30 stars, last pushed 20d ago), licensed MIT. It adds 64 tokens to every session and 549 once invoked, about $0.0003 per session on Opus 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.
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outlier-post-finder
Use when the user wants to find posts, videos, reels, shorts, tweets, or social content that overperformed versus a creator, brand, or competitor baseline. Finds outliers, explains why they worked, extracts hooks and formats, and produces a practical swipe file.
ad-library-teardown
Use when the user wants to analyze active ads from Meta/Facebook, Google, or LinkedIn ad libraries; tear down a competitor's messaging; extract hooks, offers, CTAs, video transcripts, landing page claims, and test ideas from public ads.
comment-mining
Use when the user wants to mine comments and replies for audience reactions, customer language, questions, objections, complaints, product ideas, buying intent, sentiment, or voice-of-customer insights from public social posts and videos.
competitor-social-research
Use when the user wants to research competitors' social media strategy, compare brands or creators, find what content is working in a niche, identify content gaps, or produce a practical social strategy brief from public social data.
transcript-intelligence
Use when the user wants to summarize, analyze, or repurpose transcripts from TikTok, Instagram, YouTube, Facebook, X/Twitter, LinkedIn, Rumble, or Reddit video posts. Extracts hooks, claims, quotes, content atoms, themes, and reusable scripts.