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Mux0: Skill for Claude Code

.agents/skills/shape/SKILL.md

shape is a skill for Claude Code from 10xChengTu/Mux0. It costs 49 tokens per session (1,104 once invoked), scanned A, original, no licence file.

A UX and UI planning process that asks structured discovery questions and produces a design brief before coding begins.

In plain words
What is it for?
Use it to plan a new feature, clarify user needs, choose a design direction, and define the work before writing code.
Why use it?
It turns an unclear feature idea into documented direction, constraints, and an implementation plan.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: installed under .agents/ (shared by several agents).

This is 10xChengTu/Mux0's own configuration. It tells Claude Code how to work on Mux0 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 Mux0 configures →

not rated 344repo +1 4mo ago A scan 49 tokens custom licence
View source ↗ 10xChengTu/Mux0 mux0.com
Reuse

Borrowing it

Nothing to install: this file belongs to 10xChengTu/Mux0. 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/10xChengTu/Mux0/master/.agents/skills/shape/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/10xChengTu/Mux0

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 shape

README.md
[![agentmods](https://agentmods.dev/badge/skills/10xchengtu/mux0/shape/github.svg)](https://agentmods.dev/skills/10xchengtu/mux0/shape)
Your own site
<a href="https://agentmods.dev/skills/10xchengtu/mux0/shape"><img src="https://agentmods.dev/badge/skills/10xchengtu/mux0/shape/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 shape

Your own site · 80×15
<a href="https://agentmods.dev/skills/10xchengtu/mux0/shape"><img src="https://agentmods.dev/badge/skills/10xchengtu/mux0/shape.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,104 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 unknown 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 $0.00049 $0.01104
Opus 5.5 $0.00020 $0.00442
Sonnet 5.5 $0.00010 $0.00221
Haiku 4.5 $0.00005 $0.00110

Measured 2mo ago against content hash 20ac5e5abf2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

shape 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 2mo 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/skills/shape/SKILL.md · 96 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 2mo ago First seen · 96 lines · 49 tokens per session scan A 20ac5e5abf2f

Subscribe to this mod's changes

shape is a skill published in the GitHub repository 10xChengTu/Mux0 (344 stars, last pushed 4mo ago), with no licence file. It adds 49 tokens to every session and 1,104 once invoked, about $0.0002 per session on Opus 5.5. 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.

Design and UXPlanning
Related

shape compared with skills from other repositories

shape next to 6 skills from other repositories
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shape10xChengTu/Mux0Skill3444mo agononeA49Claude Code
webgl-holographic-foilnexu-io/open-designSkill106kyesterdayApache-2.0A41Claude Code, Codex
html-ppt-hermes-cyber-terminalnexu-io/open-designSkill106kyesterdayApache-2.0A53Claude Code, Codex
html-ppt-taste-brutalistnexu-io/open-designSkill106kyesterdayApache-2.0A78Claude Code, Codex
visual-ralphYeachan-Heo/oh-my-codexSkill34k3d agoMITA52Codex
glance-canonical-layoutsandroid/skillsSkill10kyesterdayApache-2.0A56Claude Code
accessibilitymicrosoft/hve-coreSkill1.6kyesterdayMITA47Claude Code