multi-stage-dockerfile

multi-stage-dockerfile is a skill for Claude Code, Codex from kimtth/agent-skill-100-lines-or-less. It costs 27 tokens per session (260 once invoked), scanned B, original, no licence file.

A guide for creating or reviewing multi-stage Dockerfiles. Dockerfiles are instructions for building application containers, and multi-stage builds use separate build and runtime steps.

In plain words
What is it for?
Use it when writing or checking Dockerfiles for smaller, safer, reproducible application images.
Why use it?
It helps address unnecessarily large, less safe, or difficult-to-reproduce container images.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it when writing or checking Dockerfiles for smaller, safer, reproducible application images.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile
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 kimtth/agent-skill-100-lines-or-less --skill multi-stage-dockerfile
Clone the repo
git clone --depth 1 https://github.com/kimtth/agent-skill-100-lines-or-less

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 multi-stage-dockerfile

README.md
[![agentmods](https://agentmods.dev/badge/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile/github.svg)](https://agentmods.dev/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile)
Your own site
<a href="https://agentmods.dev/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile"><img src="https://agentmods.dev/badge/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile/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 multi-stage-dockerfile

Your own site · 80×15
<a href="https://agentmods.dev/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile"><img src="https://agentmods.dev/badge/skills/kimtth/agent-skill-100-lines-or-less/multi-stage-dockerfile.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 260 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. 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 $0.00027 $0.00260
Opus 5 $0.00014 $0.00130
Sonnet 5 $0.00005 $0.00052
Haiku 4.5 $0.00003 $0.00026

Measured 9d ago against content hash a9e7b75d11dd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade B, and why

multi-stage-dockerfile scanned grade B with 1 finding 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 9d 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

- do not run as root unless required
skills/multi-stage-dockerfile/SKILL.md · 33 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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. 9d ago First seen · 33 lines · 27 tokens per session scan B a9e7b75d11dd

Subscribe to this mod's changes

multi-stage-dockerfile is a skill published in the GitHub repository kimtth/agent-skill-100-lines-or-less (2 stars, last pushed 2mo ago), with no licence file. It adds 27 tokens to every session and 260 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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