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 leynos/visual-storytelling-skills --skill shot-specifiergit clone --depth 1 https://github.com/leynos/visual-storytelling-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/leynos/visual-storytelling-skills/shot-specifier)<a href="https://agentmods.dev/skills/leynos/visual-storytelling-skills/shot-specifier"><img src="https://agentmods.dev/badge/skills/leynos/visual-storytelling-skills/shot-specifier/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/leynos/visual-storytelling-skills/shot-specifier"><img src="https://agentmods.dev/badge/skills/leynos/visual-storytelling-skills/shot-specifier.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00153 | $0.06333 |
| Opus 5 | $0.00077 | $0.03166 |
| Sonnet 5 | $0.00031 | $0.01267 |
| Haiku 4.5 | $0.00015 | $0.00633 |
Grade A, and why
shot-specifier 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 601 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shot Specifier
Takes a completed scene inventory and reference image set as input and produces generation-ready shot specifications: numbered shots with full directorial direction, storyboard keyframes, video prompts, model routing, and an asset pipeline.
This skill is explicitly expensive. Generating storyboard images for every shot in every scene requires many image generation calls. Per-shot video generation is more expensive still. This cost is the price of consistency and production quality — do not skip shots or reduce keyframe coverage to save cost unless the user explicitly requests it.
Input Requirements
Before beginning, verify the following inputs are available:
| Input | Location | Required? |
|---|---|---|
| Scene inventory document | {project}/scene-pack/{project}_scene_inventory.md |
Required |
| Reference images | {project}/image_out/ or {project}/refs/ |
Required |
| Prompt keyword library | {project}/{project}_prompt_keywords.md |
Required |
| Continuity inventory | {project}/{project}_continuity_inventory.md |
Strongly recommended |
| Video role manifest | Section in scene inventory | Required |
If the prompt keyword library or video role manifest are absent, run
scene-inventory-extractor-v2 phases 2.4 and 11.6 first before proceeding.
Execution Context
This skill requires:
- nanobanana image generation Model Context Protocol (MCP) (see
references/storyboard-generation.md), with every storyboard image call explicitly usingmodel: gemini-3-pro-image-preview - Vision capabilities (for storyboard consistency verification)
- File system access (structured output directories)
Generation runs silently — no user confirmation gates during storyboard or prompt
phases. Halt only on consistency failures that require human judgement.
If gemini-3-pro-image-preview is unavailable through nanobanana, or if it cannot
accept the required reference images or character-consistency images for the current
storyboard operation, STOP and report the blocker. Do not continue with a fallback
image model.
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 11d ago First seen · 601 lines · 153 tokens per session scan A e992a36c8719
shot-specifier is a skill published in the GitHub repository leynos/visual-storytelling-skills (6 stars, last pushed 1mo ago), licensed ISC. It adds 153 tokens to every session and 6,333 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 2026-08-31.
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