detailed-design

detailed-design is a skill for Claude Code from pan94u/forge. It costs 27 tokens per session (901 once invoked), scanned A, original, no licence file.

A guide for specifying software in detail. It covers class diagrams, sequence diagrams, API contracts, database schemas, and error-handling plans.

In plain words
What is it for?
Use it to design object relationships, describe system interactions, define APIs, plan databases, and decide how errors should be handled.
Why use it?
It turns broad ideas into precise technical decisions that developers can implement and review.

Skill for Claude Code

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

Part of the forge-superagent plugin — 14 skills shipped together

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.

agentmods
npx agentmods add skills/pan94u/forge/detailed-design
Any agent
npx skills add pan94u/forge --skill detailed-design
Clone the repo
git clone --depth 1 https://github.com/pan94u/forge

Made for: Claude Code.

Or install forge-superagent, the plugin that ships this one along with the rest of its 14 skills.

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 detailed-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/pan94u/forge/detailed-design.svg)](https://agentmods.dev/skills/pan94u/forge/detailed-design)
Your own site
<a href="https://agentmods.dev/skills/pan94u/forge/detailed-design"><img src="https://agentmods.dev/badge/skills/pan94u/forge/detailed-design.svg" alt="Measured on agentmods" 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 901 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00901
Opus 5 $0.00014 $0.00451
Sonnet 5 $0.00005 $0.00180
Haiku 4.5 $0.00003 $0.00090

Measured 6d ago against content hash 7d7660bc8b1a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

detailed-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 6d 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/forge-superagent/skills/detailed-design/SKILL.md · 123 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 6d ago First seen · 123 lines · 27 tokens per session scan A 7d7660bc8b1a

Subscribe to this mod's changes

detailed-design is a skill published in the GitHub repository pan94u/forge (40 stars, last pushed 5d ago), with no licence file. It adds 27 tokens to every session and 901 once invoked, about $0.0001 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.