visualize

visualize is a skill for Claude Code, Codex from jrjsmrtn/tlx. It costs 55 tokens per session (771 once invoked), scanned A, original, MIT.

A diagram generator for TLX state-machine specifications. State machines describe the states a system can be in and the events that move it between states.

In plain words
What is it for?
Use it to create Mermaid, DOT, PlantUML, or D2 diagrams for GitHub, documentation, GraphViz, enterprise tools, or other diagram workflows.
Why use it?
It turns a specification into a visual map that is easier to review, document, share, and compare.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/jrjsmrtn/tlx/visualize
Any agent
npx skills add jrjsmrtn/tlx --skill visualize
Clone the repo
git clone --depth 1 https://github.com/jrjsmrtn/tlx

Made for: Claude Code, Codex.

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 visualize

README.md
[![agentmods](https://agentmods.dev/badge/skills/jrjsmrtn/tlx/visualize.svg)](https://agentmods.dev/skills/jrjsmrtn/tlx/visualize)
Your own site
<a href="https://agentmods.dev/skills/jrjsmrtn/tlx/visualize"><img src="https://agentmods.dev/badge/skills/jrjsmrtn/tlx/visualize.svg" alt="Measured on agentmods" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 771 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00055 $0.00771
Opus 5 $0.00028 $0.00385
Sonnet 5 $0.00011 $0.00154
Haiku 4.5 $0.00006 $0.00077

Measured 3d ago against content hash a340880db0b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

visualize 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.

usage-rules/skills/visualize/SKILL.md · 110 lines

How it starts

The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Visualize — State Machine Diagrams from TLX Specs

Generate state machine diagrams from compiled TLX spec modules in any of the four supported diagram formats.

When to Use

  • Reviewing a spec's state machine structure visually
  • Embedding diagrams in documentation or PRs
  • Comparing diagram formats for a project's toolchain
  • Sharing spec structure with non-technical stakeholders

Available Formats

Format Best for Rendering
Mermaid GitHub markdown, PRs, HexDocs Native in GitHub/GitLab
DOT GraphViz rendering, CI pipelines dot -Tpng file.dot -o file.png
PlantUML Enterprise tools, Confluence, IntelliJ plantuml.jar, Kroki
D2 Modern docs, Terrastruct d2 file.d2 file.svg

Generate a Diagram

Single format

mix tlx.emit MySpec --format mermaid
mix tlx.emit MySpec --format dot --output my_spec.dot
mix tlx.emit MySpec --format plantuml --output my_spec.puml
mix tlx.emit MySpec --format d2 --output my_spec.d2

All formats at once

for fmt in dot mermaid plantuml d2; do
  mix tlx.emit MySpec --format $fmt --output "diagrams/my_spec.$fmt"
done

Explicit state variable

If the spec has multiple variables, specify which one represents the primary state:

mix tlx.emit MySpec --format mermaid --state-var status

Embed in Markdown

Mermaid diagrams render directly in GitHub markdown:

```mermaid
stateDiagram-v2
    [*] --> idle
    idle --> running: start
    running --> idle: stop
```

For other formats, render to PNG/SVG and embed as an image.

Render to Image

DOT → PNG/SVG

mix tlx.emit MySpec --format dot --output spec.dot
dot -Tpng spec.dot -o spec.png
dot -Tsvg spec.dot -o spec.svg

PlantUML → PNG/SVG

mix tlx.emit MySpec --format plantuml --output spec.puml
java -jar plantuml.jar spec.puml          # produces spec.png
java -jar plantuml.jar -tsvg spec.puml    # produces spec.svg

Read the full file on GitHub · 110 lines

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. 3d ago First seen · 110 lines · 55 tokens per session scan A a340880db0b6

Subscribe to this mod's changes

visualize is a skill published in the GitHub repository jrjsmrtn/tlx (10 stars, last pushed 1mo ago), licensed MIT. It adds 55 tokens to every session and 771 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 2026-08-31.

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