deepen-design

deepen-design is a skill for Claude Code, Codex from cubxxw/agent-kit. It costs 115 tokens per session (1,230 once invoked), scanned A, original, MIT.

A design process for making landing pages, portfolios, and product pages more distinctive by working through their message, structure, composition, and visual details. It starts from evidence in the existing page, including its layout and interactions.

In plain words
What is it for?
Use it to review an existing interface, identify why it lacks character, and develop a more ownable direction through changes to its story, layout, sections, components, and styling.
Why use it?
It helps when a page looks polished but still feels generic or forgettable. The process addresses the underlying idea and page structure before adding visual decoration.

Skill for Claude CodeCodex

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 skills/cubxxw/agent-kit/deepen-design
Any agent
npx skills add cubxxw/agent-kit --skill deepen-design
Clone the repo
git clone --depth 1 https://github.com/cubxxw/agent-kit

Made for: Claude Code, Codex.

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 deepen-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/cubxxw/agent-kit/deepen-design.svg)](https://agentmods.dev/skills/cubxxw/agent-kit/deepen-design)
Your own site
<a href="https://agentmods.dev/skills/cubxxw/agent-kit/deepen-design"><img src="https://agentmods.dev/badge/skills/cubxxw/agent-kit/deepen-design.svg" alt="Measured on agentmods" height="20"></a>
Per session 115 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,230 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 $0.00115 $0.01230
Opus 5 $0.00057 $0.00615
Sonnet 5 $0.00023 $0.00246
Haiku 4.5 $0.00012 $0.00123

Measured 4d ago against content hash 5da4a99ab466, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

deepen-design 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 4d 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.

skills/deepen-design/SKILL.md · 178 lines

How it starts

The opening of the file, as written. The whole thing — 178 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Deepen Design

Create a more ownable design, not merely a more decorated one.

Read references/recursive-tree.md before work. If the user is reacting to an unsatisfying prior result, also read references/failure-patterns.md.

Core distinction

Granularity has levels:

  1. product truth and desired belief;
  2. brand theorem and narrative metaphor;
  3. page architecture and tempo;
  4. section composition and interaction;
  5. component language;
  6. typography, color, spacing, borders, shadows, and motion polish.

Always descend in this order. A larger token set, more shadows, or more micro-interactions is not deeper design when levels 1-4 remain unchanged.

Start from rendered evidence

For an existing interface:

  1. Preserve the current implementation and user changes.
  2. Capture the current desktop and mobile first viewport.
  3. Inspect at least two later sections and one meaningful interaction.
  4. State what is objectively working.
  5. State why the page is forgettable in five seconds.
  6. Separate functional gates from taste judgments.

Treat “still mediocre” as a failed design test. Do not defend an earlier score or continue the same direction by default.

Build a bounded binary tree

At each direction-changing node, create exactly two materially different branches. A valid branch changes the visual argument, information structure, or signature interaction. A palette swap is not a branch.

Use beam search:

  • expand two branches;
  • make both visible at the cheapest useful fidelity;
  • compare them pairwise;
  • keep the strongest branch and one credible challenger;
  • descend one level;
  • backtrack when both children inherit the same weakness.

Do not construct every possible leaf. Spend depth on consequential decisions, not combinatorial volume.

Required depth gates

Depth 0: product invariant

Write:

  • the visitor;
  • the moment of tension;
  • what they should understand, feel, and do;
  • the product truth that competitors cannot honestly claim in the same way.

Read the full file on GitHub · 178 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago First seen · 178 lines · 115 tokens per session scan A 5da4a99ab466

Subscribe to this mod's changes

deepen-design is a skill published in the GitHub repository cubxxw/agent-kit (2 stars, last pushed 29d ago), licensed MIT. It adds 115 tokens to every session and 1,230 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 2026-08-31.

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