ddd

ddd is a skill for Claude Code from j0ruge/skills_commands_manager. It costs 75 tokens per session (4,102 once invoked), scanned A, original, no licence file.

A toolkit for applying Domain-Driven Design, a way to structure software around the business problems it solves. It examines code, helps define business boundaries and relationships, and describes migrations from older designs.

In plain words
What is it for?
Use it to check for Domain-Driven Design issues, run event-storming or context-mapping exercises, define bounded contexts and aggregates, and plan legacy-system migrations.
Why use it?
It helps reveal design problems in existing code and gives teams a shared way to plan changes around business concepts.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the ddd plugin — 1 skill shipped together

Good fit Use it to check for Domain-Driven Design issues, run event-storming or context-mapping exercises, define bounded contexts and aggregates, and plan legacy-system migrations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/j0ruge/skills_commands_manager/ddd
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 j0ruge/skills_commands_manager --skill ddd
Clone the repo
git clone --depth 1 https://github.com/j0ruge/skills_commands_manager

Made for: Claude Code.

Or install ddd, the plugin that ships this one along with the rest of its 1 skill.

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 ddd

README.md
[![agentmods](https://agentmods.dev/badge/skills/j0ruge/skills_commands_manager/ddd/github.svg)](https://agentmods.dev/skills/j0ruge/skills_commands_manager/ddd)
Your own site
<a href="https://agentmods.dev/skills/j0ruge/skills_commands_manager/ddd"><img src="https://agentmods.dev/badge/skills/j0ruge/skills_commands_manager/ddd/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 ddd

Your own site · 80×15
<a href="https://agentmods.dev/skills/j0ruge/skills_commands_manager/ddd"><img src="https://agentmods.dev/badge/skills/j0ruge/skills_commands_manager/ddd.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,102 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 $0.00075 $0.04102
Opus 5 $0.00037 $0.02051
Sonnet 5 $0.00015 $0.00820
Haiku 4.5 $0.00007 $0.00410

Measured 5d ago against content hash 318de4292ceb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ddd 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.

plugins/ddd/skills/ddd/SKILL.md · 316 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. 5d ago Changed · +2 lines 318de4292ceb
  2. 9d ago First seen · 314 lines · 75 tokens per session scan A ede62c3ef940

Subscribe to this mod's changes

ddd is a skill published in the GitHub repository j0ruge/skills_commands_manager (10 stars, last pushed 4d ago), with no licence file. It adds 75 tokens to every session and 4,102 once invoked, about $0.0004 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 2026-08-31.