agentmods.dev

secure-by-design

secure-by-design is a skill for Claude Code from microsoft/hve-core. It costs 25 tokens per session (818 once invoked), scanned A, original, MIT.

A structured reference for Secure by Design principles from UK and Australian government guidance. It covers security governance, risk management, development, supply chains, architecture, attack-surface reduction, and ongoing assurance.

In plain words
What is it for?
Use it to review software plans, designs, development practices, and deployments against security-first principles.
Why use it?
It helps assess security throughout a product's development and deployment instead of treating security as a final check.

Skill for Claude Code ✓ vendor

Written for Claude Code: user-invocable in frontmatter.

not rated 1.6krepo +14 today A scan Socket: passSnyk: passSkillSpector: pass 25 tokens original MIT

Good fit Use it to review software plans, designs, development practices, and deployments against security-first principles.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/microsoft/hve-core/secure-by-design
View source ↗ microsoft/hve-core
About the project

HVE Core is a collection of agents, prompts, coding instructions, and skills for building repeatable software-development workflows with GitHub Copilot. It is intended for individuals and teams that want structured AI-assisted research, planning, implementation, and review, while the catalogue entries provide many of its reusable workflow components.

microsoft/hve-core · 1,606 stars · on GitHub

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 microsoft/hve-core --skill secure-by-design
Clone the repo
git clone --depth 1 https://github.com/microsoft/hve-core

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 secure-by-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/microsoft/hve-core/secure-by-design/github.svg)](https://agentmods.dev/skills/microsoft/hve-core/secure-by-design)
Your own site
<a href="https://agentmods.dev/skills/microsoft/hve-core/secure-by-design"><img src="https://agentmods.dev/badge/skills/microsoft/hve-core/secure-by-design/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 secure-by-design

Your own site · 80×15
<a href="https://agentmods.dev/skills/microsoft/hve-core/secure-by-design"><img src="https://agentmods.dev/badge/skills/microsoft/hve-core/secure-by-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 818 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
  • Socket pass 15 Sept 2026
  • Snyk pass 15 Sept 2026
How audits are shown
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 $0.00025 $0.00818
Opus 5.5 $0.00010 $0.00327
Sonnet 5.5 $0.00005 $0.00164
Haiku 4.5 $0.00003 $0.00082

Measured 2mo ago against content hash dbf70c6bacba, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

secure-by-design 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.

.github/skills/security/secure-by-design/SKILL.md · 62 lines

How it starts

The opening of the file, as written. The whole thing — 62 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Secure by Design — Skill Entry

This SKILL.md is the entrypoint for the Secure by Design skill.

The skill synthesizes the UK Government Secure by Design Principles (10 principles) and the Australian ASD/ACSC Secure by Design Foundations (6 foundations) into structured, machine-readable references that an agent can query to identify, assess, and improve adherence to secure-by-design practices across the software lifecycle.

Normative references (Secure by Design)

  1. 00 Principle Index
  2. 01 Security Governance
  3. 02 Risk-Driven Approach
  4. 03 Secure Product Development
  5. 04 Supply Chain Security
  6. 05 Usable Security Controls
  7. 06 Detect and Respond
  8. 07 Flexible Architecture
  9. 08 Minimize Attack Surface
  10. 09 Defense in Depth
  11. 10 Continuous Assurance
  12. 11 Secure Deprecation

Skill layout

  • SKILL.md — this file (skill entrypoint).
  • references/ — the Secure by Design normative documents.
    • 00-principle-index.md — index of all principle identifiers, categories, source mappings, and cross-references.
    • 01 through 11 — one document per synthesized principle area merging UK and AU guidance.

Third-Party Attribution

UK Government Secure by Design Principles

Read the full file on GitHub · 62 lines

Files

What ships with it

12 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. 2mo ago First seen · 62 lines · 25 tokens per session scan A dbf70c6bacba

Subscribe to this mod's changes

secure-by-design is a skill published in the GitHub repository microsoft/hve-core (1,606 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 818 once invoked, about $0.0001 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 2026-09-03.

PlanningSecurity
Related

secure-by-design compared with skills from other repositories

secure-by-design next to 6 skills from other repositories
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