carta-brand-extraction

carta-brand-extraction is a skill for Claude Code from carta/plugins. It costs 115 tokens per session (3,669 once invoked), scanned A, original, Apache-2.0.

A brand-board generator that analyzes a company website and optional assets to create a visual reference for its identity. A brand board can show colors, fonts, logos, imagery, and design patterns.

In plain words
What is it for?
Use it to create brand guidelines or a visual look-and-feel reference from a website, delivered as an HTML artifact, PDF, slide deck, or React component.
Why use it?
It gathers scattered visual details into one reference, making a company’s visual style easier to inspect and reuse.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the carta-investors plugin — 15 skills shipped together

Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add carta/plugins
Claude Code
/plugin install carta-investors

Made for: Claude Code.

Or install carta-investors, the plugin that ships this one along with the rest of its 15 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 carta-brand-extraction

README.md
[![agentmods](https://agentmods.dev/badge/skills/carta/plugins/carta-brand-extraction.svg)](https://agentmods.dev/skills/carta/plugins/carta-brand-extraction)
Your own site
<a href="https://agentmods.dev/skills/carta/plugins/carta-brand-extraction"><img src="https://agentmods.dev/badge/skills/carta/plugins/carta-brand-extraction.svg" alt="Measured on agentmods" height="20"></a>
Per session 115 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,669 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 5.1 $0.00115 $0.03669
Opus 5 $0.00057 $0.01835
Sonnet 5 $0.00023 $0.00734
Haiku 4.5 $0.00012 $0.00367

Measured 6d ago against content hash f868f82ad5f6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

carta-brand-extraction 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 6d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/analyze_website.py, snippets/brand_board_pdf.py, snippets/brand_board_pptx.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/carta-investors/skills/carta-brand-extraction/SKILL.md · 298 lines

How it starts

The opening of the file, as written. The whole thing — 298 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Build Brand Board

Overview

This skill generates a brand board — a single-page visual reference sheet capturing a company's visual identity — from their website URL and any additional assets the user provides.

A brand board includes:

  1. Color palette — primary, secondary, accent, and neutral colors with hex codes
  2. Typography — font families, weights, and size scale with specimen text
  3. Logo — extracted from the website, shown on light and dark backgrounds
  4. Imagery & mood — hero images and photography style
  5. Design tokens — border radius, shadows, spacing patterns, CSS custom properties

The skill works in two phases: extraction (automated analysis of the website) and composition (building the brand board artifact with Claude's design judgment).

When to Use

Fire this skill when the user asks to:

  • Build, create, or generate a brand board from a website URL
  • Extract a company's visual identity / brand elements from their site
  • Analyze a firm's website for colors, fonts, and design patterns
  • Create brand guidelines from a URL
  • Produce a "look and feel" reference from a website

Read the full file on GitHub · 298 lines

Files

What ships with it

6 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.

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. 6d ago First seen · 298 lines · 115 tokens per session scan A f868f82ad5f6

Subscribe to this mod's changes

carta-brand-extraction is a skill published in the GitHub repository carta/plugins (12 stars, last pushed yesterday), licensed Apache-2.0. It adds 115 tokens to every session and 3,669 once invoked, about $0.0006 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 2026-08-30.

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