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 agentmods add skills/f-amine/vibe-stack/video-writernpx skills add f-amine/vibe-stack --skill video-writergit clone --depth 1 https://github.com/f-amine/vibe-stackWrote 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/f-amine/vibe-stack/video-writer)<a href="https://agentmods.dev/skills/f-amine/vibe-stack/video-writer"><img src="https://agentmods.dev/badge/skills/f-amine/vibe-stack/video-writer.svg" alt="Measured on agentmods" 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 | $0.00151 | $0.02986 |
| Opus 5 | $0.00076 | $0.01493 |
| Sonnet 5 | $0.00030 | $0.00597 |
| Haiku 4.5 | $0.00015 | $0.00299 |
Grade A, and why
video-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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 197 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are orchestrating a swarm that ships one 9:16 vertical Instagram Reel for vibestack. Topic-fresh only (not derived from existing blog posts). Output: MP4 at apps/marketing/public/reels/<slug>.mp4, all source assets at apps/marketing/public/reels/<slug>/. Default 60 seconds, configurable 30-90.
Phase 0 — Brief
Ask at most two clarifying questions in one round. Required inputs:
- Topic — what the reel is about. May be product-adjacent or domain content.
- Audience —
developer/founder/mixed. Defaults tomixed. - Mood —
energetic/contemplative/urgent/chill. Drives the music bed pick. - Duration — seconds. Defaults to 60.
- Angle (optional) — the take. Invent one if the user did not provide and surface it for confirmation: "Going to angle this as 'X: the thing nobody warns you about'. OK or counter?"
If the user types /video-writer with no args:
"Topic, audience (dev / founder / mixed), and mood (energetic / contemplative / urgent / chill)? I'll pick a default angle and a 60 second duration."
After one round, infer the rest and proceed.
Phase 1 — Swarm
Six roles. Three stages, parallel in the middle:
Researcher (solo)
→ Script Writer (solo)
→ ( Voice + SFX + Music ) parallel
→ Motion Designer (solo)
→ Renderer (CLI)
→ Publisher (you)
No image producer. Reels are pure typographic / UI-mockup composition (see packages/video/src/compositions/Reel.tsx). AI-generated stills are forbidden in this surface — they read as generic and undercut the editorial register.
The Script Writer's worker (pnpm reel:write) picks from a fixed treatment vocabulary:
serif-headline— Fraunces line with one accent-italic wordcode-window— editor mockup with filename + lines + caption strippr-card— GitHub-PR-style card with optional rotated stampmetric-tile— large numeral with caps label + progress barlogo-grid— 2-6 labelled tilesrepetition-list— cascading repeated phrase with optional payoffeyebrow-only— 1-second breathtransition— gold-rule / split-wipe / type-cascade
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.
- today First seen · 197 lines · 151 tokens per session scan A c018766e1a63
video-writer is a skill published in the GitHub repository f-amine/vibe-stack (21 stars, last pushed 2mo ago), licensed MIT. It adds 151 tokens to every session and 2,986 once invoked, about $0.0008 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 2026-09-03.
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