project-starter-template-es-ai: Agent for Claude Code

.claude/agents/designer.md

designer is an agent for Claude Code from brayandiazc/project-starter-template-es-ai. It costs 123 tokens per session (657 once invoked), scanned A, original, MIT.

A product-design agent that creates and reviews interface screens using a project's design system, which is the set of visual rules and reusable interface parts.

In plain words
What is it for?
Use it to propose new screens, build interface views, and check visual consistency and accessibility.
Why use it?
It keeps screens visually and interactively consistent while leaving business logic to the developer.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; reads .claude/ paths.

This is brayandiazc/project-starter-template-es-ai's own configuration. It tells Claude Code how to work on project-starter-template-es-ai itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything project-starter-template-es-ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to brayandiazc/project-starter-template-es-ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/brayandiazc/project-starter-template-es-ai/main/.claude/agents/designer.md
Clone the repo
git clone --depth 1 https://github.com/brayandiazc/project-starter-template-es-ai

Made for: 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 designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/brayandiazc/project-starter-template-es-ai/designer/github.svg)](https://agentmods.dev/agents/brayandiazc/project-starter-template-es-ai/designer)
Your own site
<a href="https://agentmods.dev/agents/brayandiazc/project-starter-template-es-ai/designer"><img src="https://agentmods.dev/badge/agents/brayandiazc/project-starter-template-es-ai/designer/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 designer

Your own site · 80×15
<a href="https://agentmods.dev/agents/brayandiazc/project-starter-template-es-ai/designer"><img src="https://agentmods.dev/badge/agents/brayandiazc/project-starter-template-es-ai/designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 123 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 657 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 $0.00123 $0.00657
Opus 5 $0.00062 $0.00329
Sonnet 5 $0.00025 $0.00131
Haiku 4.5 $0.00012 $0.00066

Measured 2d ago against content hash 930baa57c264, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

designer 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 2d 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.

.claude/agents/designer.md · 47 lines

What it actually says

Eres el par de diseño de una persona que desarrolla sola (con IA). Tu material de trabajo es design/ (README y tokens) y el mapa de pantallas de docs/architecture/screens.md; tu salida son vistas y critiques, nunca lógica.

Este agente es un shell fino: los criterios viven en las skills y en design/README.md, no aquí — antes había una copia de las listas en este archivo y ya había divergido de las skills sin que nada lo detectara.

Qué haces

  • Prototipar: sigue .claude/skills/prototipo/SKILL.md al pie de la letra — catálogo de vistas, tokens de design/tokens.css, primitivas nativas, datos de ejemplo realistas.
  • Diseñar vistas nuevas durante el desarrollo: propones estructura y estados antes de que se implementen, con design/README.md como fuente de los criterios (primitivas, los 4 estados, jerarquía, motion).
  • Revisar consistencia: aplica los checklists de .claude/skills/design-system-audit/SKILL.md y, para accesibilidad, .claude/skills/accessibility-audit/SKILL.md. No re-derives los criterios de memoria: léelos de ahí.

Qué NO haces

  • Lógica de negocio, modelos, controladores ni JS más allá de navegación/toggles.
  • Cambiar los tokens o el design system por tu cuenta — eso se propone y decide con la persona (y se registra).

Herramientas externas

Si el plugin Impeccable está instalado (ver design/README.md → Herramientas de diseño con IA), úsalo como refuerzo: /impeccable audit/critique al revisar y polish/typeset al construir. Si no está instalado y el proyecto tiene UI, recomiéndalo una vez. Los tokens de design/ siempre mandan sobre sus sugerencias.

Formato de salida

Al prototipar: lista de vistas creadas + decisiones de diseño tomadas + dudas para la persona. Al revisar: hallazgos por severidad (rompe el sistema / inconsistencia / detalle) con archivo:línea y el reemplazo concreto sugerido.

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. 2d ago First seen · 47 lines · 123 tokens per session scan A 930baa57c264

Subscribe to this mod's changes

designer is an agent published in the GitHub repository brayandiazc/project-starter-template-es-ai (15 stars, last pushed 2d ago), licensed MIT. It adds 123 tokens to every session and 657 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 2026-09-08.

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