What is number-details?

A small visual system for adding decorative two-digit markers such as 01, 02, and 03 to page sections, cards, process steps, or editorial layouts.

It helps place low-contrast numeric details beside headings, in card corners, section gutters, and timeline rails.

Number markers can give related content a consistent visual order and improve the rhythm of a layout without becoming the main content.

number-details — Skill for Claude Code and Codex by devinilabs

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.

Any agent

npx skills add devinilabs/pro-skill --skill number-details

Clone the repo

git clone --depth 1 https://github.com/devinilabs/pro-skill

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/devinilabs/pro-skill/number-details/github.svg)](https://agentmods.dev/skills/devinilabs/pro-skill/number-details)

Your own site

<a href="https://agentmods.dev/skills/devinilabs/pro-skill/number-details"><img src="https://agentmods.dev/badge/skills/devinilabs/pro-skill/number-details/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/devinilabs/pro-skill/number-details"><img src="https://agentmods.dev/badge/skills/devinilabs/pro-skill/number-details.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 174 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 100% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5.1	$0.00017	$0.00174
Opus 5	$0.00009	$0.00087
Sonnet 5	$0.00003	$0.00035
Haiku 4.5	$0.00002	$0.00017

Measured 5d ago against content hash bd526d953244, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

number-details 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.

Origin

This is a copy

100% identical to number-details — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agent-skills/web-design/number-details/SKILL.md · 21 lines

What it actually says

Number Details Skill

Use When

A section needs subtle 01, 02, 03 markers for process steps, feature groups, cards, or editorial rhythm.

Workflow

Add numeric markers as secondary visual structure, not primary content.
Use two-digit numbers such as 01, 02, 03 for consistency.
Place markers in predictable positions: card corners, section gutters, timeline rails, or beside headings.
Use mono or narrow uppercase typography with low contrast so the detail feels architectural.
Keep spacing and alignment consistent across all numbered elements.

Guardrails

Do not let decorative numbers compete with headings or CTAs.
Do not mix numbering styles in the same section.

Files

What ships with it

13 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.

5d ago First seen · 21 lines · 17 tokens per session scan A bd526d953244

Subscribe to this mod's changes

number-details is a skill published in the GitHub repository devinilabs/pro-skill (23 stars, last pushed 26d ago), licensed MIT. It adds 17 tokens to every session and 174 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to number-details, differing in 0 lines, and is treated as a copy.

Design and UX

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16:9 HTML deck in tactical-telemetry / CRT-terminal taste. Deactivated-CRT charcoal slides, white-phosphor monospace, hazard-red accent, scanline overlay, ASCII syntax, density over decoration. Distilled from Leonxlnx/taste-skill brutalist-skill (Tactical Telemetry mode).

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number-details