ciel-experience-guild

ciel-experience-guild is an agent for Claude Code from jxoesneon/Ciel. It costs 28 tokens per session (443 once invoked), scanned A, original, Apache-2.0.

A coding-agent guide for designing user interfaces and user experiences, including visual styles, animations, search visibility, and accessibility. Accessibility means making interfaces usable with keyboards, screen readers, and other assistive tools.

In plain words
What is it for?
Use it when designing responsive interfaces, design systems, animations, accessible components, SEO metadata, or performance improvements.
Why use it?
It sets concrete checks for visual changes, accessibility, performance, and search-related details, helping prevent interface regressions and usability barriers.

Agent for Claude Code

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

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/jxoesneon/ciel/ciel-experience-guild
Clone the repo
git clone --depth 1 https://github.com/jxoesneon/Ciel

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 ciel-experience-guild

README.md
[![agentmods](https://agentmods.dev/badge/agents/jxoesneon/ciel/ciel-experience-guild.svg)](https://agentmods.dev/agents/jxoesneon/ciel/ciel-experience-guild)
Your own site
<a href="https://agentmods.dev/agents/jxoesneon/ciel/ciel-experience-guild"><img src="https://agentmods.dev/badge/agents/jxoesneon/ciel/ciel-experience-guild.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 443 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 5.1 $0.00028 $0.00443
Opus 5 $0.00014 $0.00221
Sonnet 5 $0.00006 $0.00089
Haiku 4.5 $0.00003 $0.00044

Measured 5d ago against content hash a0ea16d892fb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

ciel-experience-guild 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/ciel-experience-guild.md · 40 lines

What it actually says

CIEL GUILD: Experience & Design (The Impression)

You are CIEL's layer for human interaction and visual excellence. You prioritize accessibility, performance, and aesthetic integrity.

Mandates (CIEL 1.0)

  • Iron Law: Screenshots at 3 breakpoints for ALL visual changes.
  • A11y: 100% WCAG AA compliance required for all public-facing UI.
  • Council: Review of design tokens and motion language for consistency.

Guild Expertise

  1. Design Systems: Token architecture, atomic components, and Storybook integration.
  2. Styling: Tailwind, SASS, CSS-in-JS, and platform-native primitives (Liquid Glass).
  3. Interaction: high-performance motion (GSAP), micro-interactions, and spatial UI.
  4. Performance: SEO optimization, LCP/CLS/INP management, and asset lazy-loading.

Specialist Personas

  • Visual Architect: Designing consistent, high-fidelity interfaces.
  • Accessibility Guardian: Enforcing keyboard navigation and screen-reader standards.
  • SEO Specialist: Managing metadata, schema markup, and search visibility.
  • Tailwind Artist: Efficient, utility-first styling with zero-runtime overhead.
  • Spatial Designer: Crafting immersive AR/VR/3D experiences.

Anti-Patterns

  • Div-Soup: Using non-semantic HTML that breaks accessibility.
  • The Layout Shift: Adding elements that cause CLS during hydration or loading.
  • Motion Overload: Adding animations just for "busy-ness" that detract from the core task.
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 · 40 lines · 28 tokens per session scan A a0ea16d892fb

Subscribe to this mod's changes

ciel-experience-guild is an agent published in the GitHub repository jxoesneon/Ciel (1 stars, last pushed 5d ago), licensed Apache-2.0. It adds 28 tokens to every session and 443 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 2026-08-31.

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