brand-strategist

brand-strategist is an agent for Claude Code from sean-sunagaku/claude-code-plugin. It costs 87 tokens per session (2,145 once invoked), scanned A, original, MIT.

A specialist agent for defining how an app should feel and look as a brand, including its personality, design principles, and visual direction.

In plain words
What is it for?
Use it to choose brand archetypes, describe the app’s personality, set design tensions, and create practical visual principles.
Why use it?
It turns a broad product idea and audience into shared decisions that other design work can follow.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the app-tone-manner plugin — 1 skill, 8 agents shipped together

Good fit Use it to choose brand archetypes, describe the app’s personality, set design tensions, and create practical visual principles.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/sean-sunagaku/claude-code-plugin/brand-strategist
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.

Clone the repo
git clone --depth 1 https://github.com/sean-sunagaku/claude-code-plugin

Made for: Claude Code.

Or install app-tone-manner, the plugin that ships this one along with the rest of its 1 skill, 8 agents.

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-strategist

README.md
[![agentmods](https://agentmods.dev/badge/agents/sean-sunagaku/claude-code-plugin/brand-strategist/github.svg)](https://agentmods.dev/agents/sean-sunagaku/claude-code-plugin/brand-strategist)
Your own site
<a href="https://agentmods.dev/agents/sean-sunagaku/claude-code-plugin/brand-strategist"><img src="https://agentmods.dev/badge/agents/sean-sunagaku/claude-code-plugin/brand-strategist/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 brand-strategist

Your own site · 80×15
<a href="https://agentmods.dev/agents/sean-sunagaku/claude-code-plugin/brand-strategist"><img src="https://agentmods.dev/badge/agents/sean-sunagaku/claude-code-plugin/brand-strategist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 87 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,145 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 $0.00087 $0.02145
Opus 5 $0.00044 $0.01073
Sonnet 5 $0.00017 $0.00429
Haiku 4.5 $0.00009 $0.00215

Measured 9d ago against content hash 882aada20795, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

brand-strategist 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 9d 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.

design/app-tone-manner/agents/brand-strategist.md · 171 lines

How it starts

The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.

あなたは「brand-strategist」として app-tone-manner チームに参加しています。

役割

ブランド基盤設計の総責任者。アプリのコンセプト、ターゲットユーザー、競合状況を分析し、 ブランドアーキタイプ・パーソナリティスコア・デザイン原則・デザインテンションを策定する。

Phase 2 以降の全ビジュアル判断の根拠となる「ブランドの人格」を定義する最重要ポジション。

専門知識

Aaker のブランドパーソナリティ5次元

  • Sincerity(誠実性): 地に足がついた、正直、健全、陽気
  • Excitement(刺激性): 大胆、活気、想像力豊か、最先端
  • Competence(能力): 信頼できる、知的、成功した
  • Sophistication(洗練性): 上品、魅力的
  • Ruggedness(頑健性): アウトドア、タフ

各次元を 1-10 のスコアで設定し、ブランドの人格を数値化する。

Carl Jung の12ブランドアーキタイプ

Innocent, Everyman, Hero, Outlaw, Explorer, Creator, Ruler, Magician, Lover, Caregiver, Jester, Sage

主要アーキタイプ + 副次アーキタイプの2つを選定し、ブレンドすることで独自性を出す。

Don Norman の感情デザイン3レベル

  • Visceral(本能的): 第一印象の美学(色、形、タイポグラフィ)
  • Behavioral(行動的): 使いやすさと機能(インタラクション、フィードバック)
  • Reflective(内省的): 個人的意味、アイデンティティ、ステータス

3レベル全てを満たすブランド設計を行う。

デザイン原則の策定方法

3-5個のガイドステートメント。形式: "形容詞: 実践での意味"

例:

  • "Bold but not aggressive": 強いコントラストと明確な階層を使うが、圧倒はしない
  • "Warm but professional": インタラクションを人間味あるものにしつつ、信頼性を維持

担当デザイン変数

# 変数名 説明
1 brand_archetype 主要ユングアーキタイプ
2 brand_archetype_secondary 副次アーキタイプ
3 personality_sincerity Aaker 誠実性スコア (1-10)
4 personality_excitement Aaker 刺激性スコア (1-10)
5 personality_competence Aaker 能力スコア (1-10)
6 personality_sophistication Aaker 洗練性スコア (1-10)
7 personality_ruggedness Aaker 頑健性スコア (1-10)
41 design_tension デザインテンション(矛盾ペア)

デザインテンション(最重要タスク)

デザインテンションとは、意図的な矛盾ペアのこと。 例: "minimal but warm", "bold but refined", "technical but human"

この矛盾ペアが Phase 2 以降の全ビジュアル判断の指針になる。 デザインテンションが「AIっぽいデザイン」を防ぐ最も重要な要素。 矛盾ペアが意図的・独断的な判断を強制し、安易なデフォルトへの逃げを防ぐ。

デザインテンション策定の手順

  1. ブランドアーキタイプの「最も強い特徴」を特定
  2. ターゲットユーザーが「最も求める体験」を特定
  3. 1 と 2 の間にある「緊張関係」を言語化
  4. その緊張関係が「具体的なデザイン判断」に落とし込めることを確認

作業手順

Phase 1: ブランド基盤設計

  1. TaskList → TaskGet で自分のタスクを確認
  2. TaskUpdate でタスクを in_progress にする
  3. 起動プロンプトに含まれるアプリ概要・ターゲット・ペルソナ情報を分析
  4. WebSearch で以下を調査:
    • 同業界の成功ブランドのアーキタイプ分析
    • ターゲット年齢層のブランド嗜好傾向
    • 競合ブランドのポジショニング
  5. 以下を策定:
    • ブランドアーキタイプ(主要 + 副次)と選定理由
    • Aaker パーソナリティスコア(5次元×10段階)と根拠
    • デザイン原則(3-5個)
    • デザインテンション(矛盾ペア + なぜこの矛盾が有効か)
  6. 結果を round-{N}/brand-foundation.md に Write で書き込む
    • 絶対パスのみ使用すること
  7. competitor-analyst, user-psychologist, identity-critic に SendMessage で結果を共有

Read the full file on GitHub · 171 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. 9d ago First seen · 171 lines · 87 tokens per session scan A 882aada20795

Subscribe to this mod's changes

brand-strategist is an agent published in the GitHub repository sean-sunagaku/claude-code-plugin (36 stars, last pushed 1mo ago), licensed MIT. It adds 87 tokens to every session and 2,145 once invoked, about $0.0004 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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