viz-inline

viz-inline is a skill for Claude Code from musingfox/cc-plugins. It costs 119 tokens per session (738 once invoked), scanned A, original, MIT.

A chat skill for showing small code explanations as compact visuals rather than paragraphs. It chooses shapes such as call trees, component trees, shallow file trees, pseudocode, or diffs based on the subject.

In plain words
What is it for?
Use it to explain algorithms, runtime calls, UI structure, file responsibilities, and small proposed code changes.
Why use it?
Short explanations of control flow, file responsibilities, or code structure can be easier to scan as a diagram than as prose. It also keeps these visuals in the chat rather than creating files or opening a browser.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the viz plugin — 2 skills shipped together

Good fit Use it to explain algorithms, runtime calls, UI structure, file responsibilities, and small proposed code changes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/musingfox/cc-plugins/viz-inline
Install

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.

Any agent
npx skills add musingfox/cc-plugins --skill viz-inline
Clone the repo
git clone --depth 1 https://github.com/musingfox/cc-plugins

Made for: Claude Code.

Or install viz, the plugin that ships this one along with the rest of its 2 skills.

Wrote 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.

agentmods badge for viz-inline

README.md
[![agentmods](https://agentmods.dev/badge/skills/musingfox/cc-plugins/viz-inline/github.svg)](https://agentmods.dev/skills/musingfox/cc-plugins/viz-inline)
Your own site
<a href="https://agentmods.dev/skills/musingfox/cc-plugins/viz-inline"><img src="https://agentmods.dev/badge/skills/musingfox/cc-plugins/viz-inline/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.

agentmods 80×15 button for viz-inline

Your own site · 80×15
<a href="https://agentmods.dev/skills/musingfox/cc-plugins/viz-inline"><img src="https://agentmods.dev/badge/skills/musingfox/cc-plugins/viz-inline.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 119 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 738 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00119 $0.00738
Opus 5.5 $0.00048 $0.00295
Sonnet 5.5 $0.00024 $0.00148
Haiku 4.5 $0.00012 $0.00074

Measured 10d ago against content hash 470577d527c1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

viz-inline 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 10d 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.

viz/skills/viz-inline/SKILL.md · 116 lines

How it starts

The opening of the file, as written. The whole thing — 116 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Viz Inline Skill

Explain the current topic visually, in chat, with the smallest shape that makes the point clear. Skip the preamble; keep prose brief. No files, no browser — that is viz-render's job.

Shapes

Pick one (rarely more) — the smallest that answers the current question.

Logic / algorithm → pseudocode

on(save)
  if content is unchanged
    return cached result
  write new content
  return fresh result

Runtime control flow → call tree

submitForm
  createSession
    persistPrompt
    launchAgent
  navigateToSession

UI structure → component tree (keep only the state hooks and module boundaries that matter)

<SessionPage> (src/routes/session.tsx)
  useSessionEvents()
  <SessionToolbar>
    <RunSkillButton> (packages/ui)

File responsibility / refactor scope → shallow file tree (one line of responsibility per entry)

src/
├── commands/       # parses user actions
├── sessions/       # owns session state
└── transport/      # sends API requests

A change to an existing shape → diff syntax (when most of the shape is unchanged, show only what moves; works on any shape above)

 submitForm
   createSession
     persistPrompt
+    expandSkillMention
   navigateToSession
+    subscribeToEvents
 on(save)
-  write content
+  if content is unchanged
+    return cached result
+  write new content

Code shape before code exists → types and signatures

function expandSkill(command: string): string

Component interaction / data flow → small Mermaid (2–8 nodes; if it needs more, it belongs in viz-render)

sequenceDiagram
    User->>UI: choose command
    UI->>Daemon: send expanded prompt
    Daemon-->>UI: stream result

Rules

  • Place each visual next to the short text it supports.
  • Keep only the calls, files, props, states, and boundaries needed to answer the user's current question — trim everything else.
  • Show a whole block only when most of it is new or the user needs a copyable target shape.

Read the full file on GitHub · 116 lines

Files

What ships with it

1 file 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.

Changes

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.

  1. 10d ago Changed · -3 lines · +5 tokens per session 470577d527c1
  2. 1mo ago First seen · 119 lines · 114 tokens per session scan A 43dc97f2706e

Subscribe to this mod's changes

viz-inline is a skill published in the GitHub repository musingfox/cc-plugins (2 stars, last pushed yesterday), licensed MIT. It adds 119 tokens to every session and 738 once invoked, about $0.0005 per session on Opus 5.5. 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 2026-09-05.

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