clevis: Skill for Codex

.agents/skills/impeccable/SKILL.md

impeccable is a skill for Codex from nazarli-shabnam/clevis. It costs 189 tokens per session (5,064 once invoked), scanned A, original, GPL-3.0.

A frontend interface improvement guide for websites and applications, covering design, critique, structure, usability, animation, and visual polish.

In plain words
What is it for?
Use it to review or improve landing pages, dashboards, product screens, forms, settings, onboarding flows, and empty states.
Why use it?
It helps turn unclear, inconsistent, or rough interfaces into clearer and more refined user experiences.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: installed under .agents/ (shared by several agents).

This is nazarli-shabnam/clevis's own configuration. It tells Codex how to work on clevis 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 clevis configures →

Reuse

Borrowing it

Nothing to install: this file belongs to nazarli-shabnam/clevis. 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/nazarli-shabnam/clevis/main/.agents/skills/impeccable/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/nazarli-shabnam/clevis

Made for: 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 impeccable

README.md
[![agentmods](https://agentmods.dev/badge/skills/nazarli-shabnam/clevis/impeccable/github.svg)](https://agentmods.dev/skills/nazarli-shabnam/clevis/impeccable)
Your own site
<a href="https://agentmods.dev/skills/nazarli-shabnam/clevis/impeccable"><img src="https://agentmods.dev/badge/skills/nazarli-shabnam/clevis/impeccable/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 impeccable

Your own site · 80×15
<a href="https://agentmods.dev/skills/nazarli-shabnam/clevis/impeccable"><img src="https://agentmods.dev/badge/skills/nazarli-shabnam/clevis/impeccable.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 189 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,064 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 $0.00189 $0.05064
Opus 5 $0.00095 $0.02532
Sonnet 5 $0.00038 $0.01013
Haiku 4.5 $0.00019 $0.00506

Measured 10d ago against content hash a17d496ed30e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

impeccable 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 10d ago.

The scan reads SKILL.md. This mod also ships 28 executable files (scripts/context-signals.mjs, scripts/context.mjs, scripts/critique-storage.mjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/impeccable/SKILL.md · 173 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

60 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. 10d ago First seen · 173 lines · 189 tokens per session scan A a17d496ed30e

Subscribe to this mod's changes

impeccable is a skill published in the GitHub repository nazarli-shabnam/clevis (101 stars, last pushed yesterday), licensed GPL-3.0. It adds 189 tokens to every session and 5,064 once invoked, about $0.0009 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.

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