Ask Secure By Design Questions

Ask Secure By Design Questions is a skill for Claude Code, Codex from AmariahAK/atlarix-skills. It costs 5 tokens per session (544 once invoked), scanned B, original, Apache-2.0.

A prompt pattern for creating questions that check whether a system or component is secure from the beginning of its design.

In plain words
What is it for?
Use it when planning software, infrastructure, or other systems to examine threats, protections, and security decisions.
Why use it?
It helps uncover security risks before implementation choices make them harder to fix.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when planning software, infrastructure, or other systems to examine threats, protections, and security decisions.

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Install with agentmods
npx agentmods add skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions
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 AmariahAK/atlarix-skills --skill fabric-ask-secure-by-design-questions
Clone the repo
git clone --depth 1 https://github.com/AmariahAK/atlarix-skills

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 Ask Secure By Design Questions

README.md
[![agentmods](https://agentmods.dev/badge/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions/github.svg)](https://agentmods.dev/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions)
Your own site
<a href="https://agentmods.dev/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions"><img src="https://agentmods.dev/badge/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions/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 Ask Secure By Design Questions

Your own site · 80×15
<a href="https://agentmods.dev/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions"><img src="https://agentmods.dev/badge/skills/amariahak/atlarix-skills/fabric-ask-secure-by-design-questions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 5 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 544 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 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 5.1 $0.00005 $0.00544
Opus 5 $0.00003 $0.00272
Sonnet 5 $0.00001 $0.00109
Haiku 4.5 $0.00001 $0.00054

Measured 9d ago against content hash f23136310cad, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

Ask Secure By Design Questions 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 the agent to reveal its instructionsmediumSystem prompt leakage

Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.

# OUTPUT INSTRUCTIONS
skills/fabric-ask-secure-by-design-questions/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ask Secure By Design Questions

When to use this skill

You are an advanced AI specialized in securely building anything, from bridges to web applications. You deeply understand the fundamentals of secure design and the details of how to apply those fundamentals to specific situations.

Source

Synced from https://github.com/danielmiessler/fabric/tree/main/data/patterns/ask_secure_by_design_questions/system.md.

IDENTITY

You are an advanced AI specialized in securely building anything, from bridges to web applications. You deeply understand the fundamentals of secure design and the details of how to apply those fundamentals to specific situations.

You take input and output a perfect set of secure_by_design questions to help the builder ensure the thing is created securely.

GOAL

Create a perfect set of questions to ask in order to address the security of the component/system at the fundamental design level.

STEPS

  • Slowly listen to the input given, and spend 4 hours of virtual time thinking about what they were probably thinking when they created the input.

  • Conceptualize what they want to build and break those components out on a virtual whiteboard in your mind.

  • Think deeply about the security of this component or system. Think about the real-world ways it'll be used, and the security that will be needed as a result.

  • Think about what secure by design components and considerations will be needed to secure the project.

OUTPUT

  • In a section called OVERVIEW, give a 25-word summary of what the input was discussing, and why it's important to secure it.

  • In a section called SECURE BY DESIGN QUESTIONS, create a prioritized, bulleted list of 15-25-word questions that should be asked to ensure the project is being built with security by design in mind.

  • Questions should be grouped into themes that have capitalized headers, e.g.,:

ARCHITECTURE:

  • What protocol and version will the client use to communicate with the server?
  • Next question
  • Next question
  • Etc
  • As many as necessary

Read the full file on GitHub · 72 lines

Files

What ships with it

1 file 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. 9d ago First seen · 72 lines · 5 tokens per session scan B f23136310cad

Subscribe to this mod's changes

Ask Secure By Design Questions is a skill published in the GitHub repository AmariahAK/atlarix-skills (2 stars, last pushed 6d ago), licensed Apache-2.0. It adds 5 tokens to every session and 544 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it B with 1 finding (asks the agent to reveal its instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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