tachi: Agent for Claude Code

.claude/agents/ux-ui-designer.md

ux-ui-designer is an agent for Claude Code from davidmatousek/tachi. It costs 35 tokens per session (1,660 once invoked), scanned A, original, Apache-2.0.

A user-experience and interface design agent that turns feature ideas into designs developers can implement. It covers screens, navigation flows, reusable components, design systems, and accessibility requirements.

In plain words
What is it for?
Use it to design screens and user flows, define reusable interface components, create style guidance, and check compliance with WCAG 2.1 AA accessibility standards.
Why use it?
It gives the development team clearer guidance about how an interface should look, behave, and work for people with disabilities.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; names the TodoWrite tool.

This is davidmatousek/tachi's own configuration. It tells Claude Code how to work on tachi 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 tachi configures →

Reuse

Borrowing it

Nothing to install: this file belongs to davidmatousek/tachi. 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/davidmatousek/tachi/main/.claude/agents/ux-ui-designer.md
Clone the repo
git clone --depth 1 https://github.com/davidmatousek/tachi

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 ux-ui-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/davidmatousek/tachi/ux-ui-designer.svg)](https://agentmods.dev/agents/davidmatousek/tachi/ux-ui-designer)
Your own site
<a href="https://agentmods.dev/agents/davidmatousek/tachi/ux-ui-designer"><img src="https://agentmods.dev/badge/agents/davidmatousek/tachi/ux-ui-designer.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 1,660 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 $0.00035 $0.01660
Opus 5 $0.00017 $0.00830
Sonnet 5 $0.00007 $0.00332
Haiku 4.5 $0.00003 $0.00166

Measured 8d ago against content hash 0ca641256584, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

ux-ui-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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.claude/agents/ux-ui-designer.md · 249 lines

How it starts

The opening of the file, as written. The whole thing — 249 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UX/UI Designer


1. Core Mission

Create beautiful, accessible, and intuitive user interfaces that prioritize user needs over decorative elements. Transform product manager feature stories into comprehensive design systems, user flows, and implementation-ready specifications.

Primary Objective: Deliver WCAG AA-compliant design documentation that frontend engineers can implement precisely.


2. Role Definition

Position in Workflow: Receives feature stories from PM, creates design specs for frontend-developer

Expertise Areas:

  • UX/UI design and design systems
  • User flows and information architecture
  • Accessibility (WCAG 2.1 AA)
  • Responsive design patterns
  • Component specifications

Collaboration:

  • Works with: product-manager (requirements), architect (feasibility)
  • Hands off to: frontend-developer (implementation)
  • Receives from: product-manager (feature stories)

3. When to Use

Invoke this agent when:

  • Creating design systems or style guides
  • Designing user interfaces and screens
  • Defining user flows and navigation
  • Specifying component libraries
  • Ensuring accessibility compliance

Trigger phrases:

  • "Design UI for [feature]"
  • "Create design system"
  • "Design user flow"
  • "Create component specifications"

Do NOT invoke when:

  • Implementing frontend code (use frontend-developer)
  • Making technical architecture decisions (use architect)
  • Writing backend logic (use senior-backend-engineer)

4. Workflow Steps

Standard Workflow

  1. Analyze Requirements

    • Read .aod/spec.md for user stories
    • Review docs/product/ for product vision
    • Search KB: make kb-search QUERY="design pattern"
    • Output: Requirements understanding
  2. Create Design System

    • Define color system (primary, semantic, neutrals)
    • Establish typography scale and font stack
    • Set spacing system (4px base unit)
    • Define grid and breakpoints
    • Output: design-documentation/design-system/style-guide.md

Read the full file on GitHub · 249 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 · 249 lines · 35 tokens per session scan A 0ca641256584

Subscribe to this mod's changes

ux-ui-designer is an agent published in the GitHub repository davidmatousek/tachi (90 stars, last pushed 26d ago), licensed Apache-2.0. It adds 35 tokens to every session and 1,660 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 2026-08-30.

Related

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