Borrowing it
Nothing to install: this file belongs to opencue/cuecards. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/opencue/cuecards/main/.agents/skills/vc-preview/SKILL.mdgit clone --depth 1 https://github.com/opencue/cuecardsWrote 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/opencue/cuecards/vc-preview)<a href="https://agentmods.dev/skills/opencue/cuecards/vc-preview"><img src="https://agentmods.dev/badge/skills/opencue/cuecards/vc-preview.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 5.1 | $0.00025 | $0.02205 |
| Opus 5 | $0.00013 | $0.01103 |
| Sonnet 5 | $0.00005 | $0.00441 |
| Haiku 4.5 | $0.00003 | $0.00220 |
Grade A, and why
vc:preview 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 3d 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 — 156 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Preview
Universal viewer + visual generator. View existing content OR generate new visual explanations.
Diagram Boundary
Use preview as the companion and review surface.
- Use
preview --diagramorpreview --html --diagramfor explanation-first visuals, Mermaid-oriented flows, and review-friendly diagram pages. - Use
tech-graphfirst when the task needs a durable publish-grade SVG or PNG artifact underprocess/general-plans/references/,process/general-plans/reports/visuals/, or the matching feature-scoped equivalents. - After
tech-graphgeneration,previewis still the right place for explanation, comparison, HTML framing, or self-review of the generated artifact.
Default (No Arguments)
If invoked without arguments, use AskUserQuestion to present available preview operations:
| Operation | Description |
|---|---|
(view) |
View a file or directory |
--explain |
Generate visual explanation |
--slides |
Generate presentation slides |
--diagram |
Generate architecture diagram |
--ascii |
Terminal-friendly diagram |
--stop |
Stop preview server |
--html --explain |
Self-contained HTML explanation (opens in browser) |
--html --diagram |
Self-contained HTML diagram with zoom controls |
--html --slides |
Magazine-quality HTML slide deck |
--html --diff |
Visual diff review (HTML) |
--html --plan-review |
Plan vs codebase comparison (HTML) |
--html --recap |
Project context snapshot (HTML) |
Present as options via AskUserQuestion with header "Preview Operation", question "What would you like to do?".
Usage
View Mode
/vc:preview <file.md>- View markdown file in novel-reader UI/vc:preview <directory/>- Browse directory contents/vc:preview --stop- Stop running server
Generation Mode (Markdown)
/vc:preview --explain <topic>- Generate visual explanation (ASCII + Mermaid + prose)/vc:preview --slides <topic>- Generate presentation slides (one concept per slide)/vc:preview --diagram <topic>- Generate focused diagram (ASCII + Mermaid)/vc:preview --ascii <topic>- Generate ASCII-only diagram (terminal-friendly)
What ships with it
11 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.
- references/generation-modes.md 7.0 KB
- references/html-css-patterns.md 41 KB
- references/html-design-guidelines.md 15 KB
- references/html-libraries.md 19 KB
- references/html-responsive-nav.md 5.7 KB
- references/html-slide-patterns.md 39 KB
- references/view-mode.md 1.2 KB
- templates/architecture.html 19 KB
- templates/data-table.html 18 KB
- templates/mermaid-flowchart.html 23 KB
- templates/slide-deck.html 37 KB
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.
- 3d ago First seen · 156 lines · 25 tokens per session scan A f4877c6d100f
vc:preview is a skill published in the GitHub repository opencue/cuecards (5 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 2,205 once invoked, about $0.0001 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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