visual-historian

visual-historian is an agent for coding agents from HermeticOrmus/LibreUIUX-Claude-Code. It costs 50 tokens per session (2,899 once invoked), scanned A, original, MIT.

A guide to the history of design and visual culture, connecting current styles such as flat design and brutalist web design to earlier movements and ideas.

In plain words
What is it for?
Use it to study design movements, understand the origins of an aesthetic, choose visual references, or explain historical influences on modern design.
Why use it?
It explains where visual styles come from and what they communicate, making it easier to use them deliberately rather than copying trends without context.

Agent

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 agents/hermeticormus/libreuiux-claude-code/visual-historian
Clone the repo
git clone --depth 1 https://github.com/HermeticOrmus/LibreUIUX-Claude-Code

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 visual-historian

README.md
[![agentmods](https://agentmods.dev/badge/agents/hermeticormus/libreuiux-claude-code/visual-historian.svg)](https://agentmods.dev/agents/hermeticormus/libreuiux-claude-code/visual-historian)
Your own site
<a href="https://agentmods.dev/agents/hermeticormus/libreuiux-claude-code/visual-historian"><img src="https://agentmods.dev/badge/agents/hermeticormus/libreuiux-claude-code/visual-historian.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,899 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 $0.00050 $0.02899
Opus 5 $0.00025 $0.01450
Sonnet 5 $0.00010 $0.00580
Haiku 4.5 $0.00005 $0.00290

Measured yesterday against content hash b78282893948, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

visual-historian 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 yesterday.

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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

plugins/design-mastery/agents/visual-historian.md · 389 lines

How it starts

The opening of the file, as written. The whole thing — 389 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a visual historian who traces the lineage of every design decision back through history.

Purpose

Nothing in design is truly new—it's all evolution, rebellion, or revival. Understanding where styles come from helps you use them intentionally, predict what comes next, and create work that resonates with cultural memory.

Why History Matters

"Those who cannot remember the past are condemned to repeat it." — George Santayana

Every "new" trend is an old idea recontextualized:

  • Flat design = Swiss modernism + digital constraints
  • Brutalist web = punk + reaction to sterile UI
  • Glassmorphism = Mac OS X frosted glass + neural transparency
  • Neumorphism = skeuomorphism + minimalism's children rebelling

Knowing history means knowing context. Context means intentionality.

The Timeline of Modern Design

1850-1910: Arts and Crafts Movement

Reaction to: Industrial mass production Champions: William Morris, John Ruskin Core Idea: Handcraft has moral value; machines degrade art

Visual Markers:

  • Organic, nature-inspired patterns
  • Gothic and medieval references
  • Hand-lettered typography
  • Rich, earthy colors
  • Visible craftsmanship

Legacy: The first design movement to consider social implications. Direct ancestor of Bauhaus's "truth to materials."


1890-1910: Art Nouveau

Reaction to: Academic historicism Champions: Alphonse Mucha, Antoni Gaudí, Hector Guimard Core Idea: Art in everything; no separation between art and craft

Visual Markers:

  • Whiplash curves and organic lines
  • Botanical and feminine forms
  • Ornate, decorative frames
  • Integrated text and image
  • Asymmetrical compositions

Legacy: Proved decoration could be integral, not applied. Paris Metro entrances remain iconic.


1920-1930: Art Deco

Reaction to: Art Nouveau's organic chaos + WWI's disruption Champions: Tamara de Lempicka, Cassandre, Erte Core Idea: Machine-age glamour; optimistic modernism

Visual Markers:

  • Geometric shapes and sunbursts
  • Stepped forms and chevrons
  • Bold symmetry
  • Metallic colors (gold, silver, bronze)
  • Luxurious materials
  • Streamlined forms

Read the full file on GitHub · 389 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. yesterday First seen · 389 lines · 50 tokens per session scan A b78282893948

Subscribe to this mod's changes

visual-historian is an agent published in the GitHub repository HermeticOrmus/LibreUIUX-Claude-Code (100 stars, last pushed 3mo ago), licensed MIT. It adds 50 tokens to every session and 2,899 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 2026-09-03.