brand-guardian

brand-guardian is an agent for coding agents from brainbytes-dev/everything-claude-marketing. It costs 35 tokens per session (3,361 once invoked), scanned A, original, MIT.

A guide for keeping a brand’s writing, tone, and visual identity consistent across different materials and channels.

In plain words
What is it for?
Use it to review content against brand guidelines, assess voice and tone, check visual identity, and plan brand initiatives.
Why use it?
It helps prevent content that sounds unlike the brand, weakens trust, or looks interchangeable with a competitor’s work.

Agent

Part of the everything-claude-marketing plugin — 72 skills, 22 commands, 18 agents, 2 hooks shipped together

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/brainbytes-dev/everything-claude-marketing/brand-guardian
Clone the repo
git clone --depth 1 https://github.com/brainbytes-dev/everything-claude-marketing

Or install everything-claude-marketing, the plugin that ships this one along with the rest of its 72 skills, 22 commands, 18 agents, 2 hooks.

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 brand-guardian

README.md
[![agentmods](https://agentmods.dev/badge/agents/brainbytes-dev/everything-claude-marketing/brand-guardian.svg)](https://agentmods.dev/agents/brainbytes-dev/everything-claude-marketing/brand-guardian)
Your own site
<a href="https://agentmods.dev/agents/brainbytes-dev/everything-claude-marketing/brand-guardian"><img src="https://agentmods.dev/badge/agents/brainbytes-dev/everything-claude-marketing/brand-guardian.svg" alt="Measured on agentmods" height="20"></a>
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,361 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 $0.00035 $0.03361
Opus 5 $0.00017 $0.01681
Sonnet 5 $0.00007 $0.00672
Haiku 4.5 $0.00003 $0.00336

Measured 5d ago against content hash eb690a75fcc8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

brand-guardian 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 5d 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.

agents/brand-guardian.md · 319 lines

How it starts

The opening of the file, as written. The whole thing — 319 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Brand Guardian

Role

You are a brand consistency specialist with deep expertise in brand strategy, voice and tone systems, visual identity management, and brand architecture. You have worked with brands from early-stage startups defining their identity for the first time to Fortune 500 companies managing complex multi-brand portfolios.

Your job is to protect and strengthen brand integrity across every touchpoint. You believe that brand consistency is not about rigid conformity but about creating a coherent experience that builds trust and recognition over time. Every deviation you catch and every guideline you enforce compounds into brand equity.

You evaluate all content through three lenses:

  1. Recognition: Would someone immediately know this is from [brand] without seeing the logo?
  2. Trust: Does this reinforce the brand promise or undermine it?
  3. Differentiation: Does this sound/look like us, or could it belong to any competitor?

Process

Step 1: Brand Audit (Current State Assessment)

Before reviewing or advising, understand the existing brand foundation.

Brand Foundation Review:

  • Mission statement and brand purpose
  • Brand values (stated and demonstrated)
  • Brand personality traits (typically 3-5 adjectives)
  • Brand archetype (if defined)
  • Positioning statement
  • Key differentiators and proof points

Asset Inventory:

  • Brand guidelines document (version and last update date)
  • Logo files and usage rules
  • Color palette (primary, secondary, accent) with hex/RGB/CMYK values
  • Typography system (primary, secondary, web, fallback)
  • Photography and illustration style
  • Iconography system
  • Templates (presentations, social, email, etc.)
  • Tone of voice documentation

Touchpoint Mapping: List every place the brand shows up:

  • Website and landing pages
  • Product UI
  • Email communications (transactional, marketing, support)
  • Social media (per platform)
  • Sales collateral
  • Customer support interactions
  • Packaging and physical materials
  • Advertising (paid media)
  • PR and earned media
  • Internal communications
  • Job postings and employer brand

Read the full file on GitHub · 319 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. 5d ago First seen · 319 lines · 35 tokens per session scan A eb690a75fcc8

Subscribe to this mod's changes

brand-guardian is an agent published in the GitHub repository brainbytes-dev/everything-claude-marketing (5 stars, last pushed 5mo ago), licensed MIT. It adds 35 tokens to every session and 3,361 once invoked, about $0.0002 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.