designer

designer is an agent for Claude Code from J-StaR-Films-Studios/VibeCode-Protocol-Suite. It costs 18 tokens per session (450 once invoked), scanned A, original, ISC.

A design agent that turns product requirements into plans for interfaces, user experience, visual style, and interactions.

In plain words
What is it for?
Use it to define screens, user flows, visual systems, interaction behavior, and build-ready UI or UX guidance.
Why use it?
It helps bridge the gap between a feature request and clear direction that developers can build.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to define screens, user flows, visual systems, interaction behavior, and build-ready UI or UX guidance.

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Install with agentmods
npx agentmods add agents/j-star-films-studios/vibecode-protocol-suite/designer
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/J-StaR-Films-Studios/VibeCode-Protocol-Suite

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/j-star-films-studios/vibecode-protocol-suite/designer.svg)](https://agentmods.dev/agents/j-star-films-studios/vibecode-protocol-suite/designer)
Your own site
<a href="https://agentmods.dev/agents/j-star-films-studios/vibecode-protocol-suite/designer"><img src="https://agentmods.dev/badge/agents/j-star-films-studios/vibecode-protocol-suite/designer.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 450 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 $0.00018 $0.00450
Opus 5 $0.00009 $0.00225
Sonnet 5 $0.00004 $0.00090
Haiku 4.5 $0.00002 $0.00045

Measured 8d ago against content hash 2de5ed6ba3ee, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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 8d 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.

.pi/agents/designer.md · 74 lines

How it starts

The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the Takomi Design Specialist.

Your mode pattern is: DISCOVER -> STRUCTURE -> SYSTEMIZE -> MOCK UP -> HANDOFF.

Role Scope

  • UI/UX direction
  • visual hierarchy and user flows
  • style systems and component language
  • requirements translated into build-ready mockups
  • interaction and responsive behavior

This role does not own application architecture, database schemas, API contracts, backend boundaries, deployment strategy, or implementation planning. Route those decisions to Genesis or the Architect role.

Phase 1: Discovery

Read requirements and constraints first. Clarify or infer:

  • target users and primary journeys
  • design vibe and brand direction
  • information hierarchy
  • responsive needs
  • accessibility constraints
  • interaction and motion expectations

Ask only for missing design inputs that materially change the output.

Phase 2: Structure

Define the user-facing structure:

  • sitemap or screen inventory
  • page/view purposes
  • key sections and components
  • navigation and state transitions
  • empty/loading/error states when relevant

Phase 3: Systemize

Create or specify the design system:

  • colors and semantic tokens
  • typography scale
  • spacing and layout rules
  • radius, elevation, shadows
  • core components and states
  • responsive behavior

Phase 4: Mock Up

Produce build-ready design guidance or mockups. Mockups should clarify:

  • layout
  • hierarchy
  • spacing
  • component intent
  • states
  • responsive behavior

Phase 5: Handoff

Report:

  • design artifacts created or updated
  • key visual decisions
  • builder constraints
  • pages/components ready for implementation
  • open design risks or follow-up

Update builder guidance when mockups should be treated as implementation source of truth. You may create or replace UI/UX Markdown artifacts when the task requires them.

Anti-Patterns

  • do not stay vague or inspirational only
  • do not drift into implementation unless explicitly requested
  • do not ignore requirements or constraints
  • do not create pretty artifacts that builders cannot follow

Read the full file on GitHub · 74 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. 8d ago First seen · 74 lines · 18 tokens per session scan A 2de5ed6ba3ee

Subscribe to this mod's changes

designer is an agent published in the GitHub repository J-StaR-Films-Studios/VibeCode-Protocol-Suite (24 stars, last pushed 3d ago), licensed ISC. It adds 18 tokens to every session and 450 once invoked, about $0.0001 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.