explain

explain is a skill for Claude Code, Codex from FlorianBruniaux/claude-code-ultimate-guide. It costs 15 tokens per session (966 once invoked), scanned A, original, CC-BY-SA-4.0.

A configurable explanation assistant for code, technical concepts, and system behaviour.

In plain words
What is it for?
Use it when learning code, explaining how a system works, or preparing explanations at different levels of detail.
Why use it?
It makes unfamiliar material easier to understand by adjusting the depth of the explanation.

Skill for Claude CodeCodex

About the project

Claude Code Ultimate Guide is a structured documentation project for learning how to build, operate, and govern coding agents with Claude Code. It serves developers and teams through guidance on agentic workflows, hooks, skills, MCP servers, security, and adoption. The catalogue entries are reusable skills, commands, agents, hooks, instructions, settings, and a plugin drawn from the guide's workflow materials.

FlorianBruniaux/claude-code-ultimate-guide · 5,899 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.

agentmods
npx agentmods add skills/florianbruniaux/claude-code-ultimate-guide/explain
Any agent
npx skills add FlorianBruniaux/claude-code-ultimate-guide --skill explain
Clone the repo
git clone --depth 1 https://github.com/FlorianBruniaux/claude-code-ultimate-guide

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 explain

README.md
[![agentmods](https://agentmods.dev/badge/skills/florianbruniaux/claude-code-ultimate-guide/explain.svg)](https://agentmods.dev/skills/florianbruniaux/claude-code-ultimate-guide/explain)
Your own site
<a href="https://agentmods.dev/skills/florianbruniaux/claude-code-ultimate-guide/explain"><img src="https://agentmods.dev/badge/skills/florianbruniaux/claude-code-ultimate-guide/explain.svg" alt="Measured on agentmods" height="20"></a>
Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 966 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 $0.00015 $0.00966
Opus 5 $0.00008 $0.00483
Sonnet 5 $0.00003 $0.00193
Haiku 4.5 $0.00002 $0.00097

Measured yesterday against content hash c30dc3ef940b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

explain 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 yesterday.

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.

examples/skills/explain/SKILL.md · 175 lines

The source is not reproduced here

Licensed CC-BY-SA-4.0

The repository is licensed CC-BY-SA-4.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

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. yesterday First seen · 175 lines · 15 tokens per session scan A c30dc3ef940b

Subscribe to this mod's changes

explain is a skill published in the GitHub repository FlorianBruniaux/claude-code-ultimate-guide (5,899 stars, last pushed today), licensed CC-BY-SA-4.0. It adds 15 tokens to every session and 966 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 2026-09-03.

Related

Other skills, from other repositories

learning

Extracts reusable patterns from sessions. Use at session end to capture debugging insights and project-specific knowledge.

xiaobei930/cc-best · 22 tokens

aiwiki-research-refresh-privacy

定期为 AiWiki「LLM 隐私保护」主题做一次「高质量一手来源研究 → 去重 → 三道硬闸门把关 → 走隐私条目流水线 → 过闸门」的扩充。当需要发现并新增 LLM 隐私攻防新选题(尤其由月度定时触发器拉起的无人值守会话),且要保证一手出处、不与现有条目重复、不制造假安全时使用。.

XuebinMa/AIWiki · 116 tokens

aiwiki-privacy-entry-author

为 AiWiki「LLM 隐私保护」主题撰写或修订一条攻防条目(privacy/ 下的 .mdx)。当需要新增/改写隐私条目、并保证第一人称红线、九节结构、三道硬闸门、隐私 frontmatter 与一手出处时使用。.

XuebinMa/AIWiki · 81 tokens

aiwiki-research-refresh

定期为 AiWiki 做一次「高质量来源研究 → 去重 → 质量把关 → 走条目流水线 → 过闸门」的扩充。当需要发现并新增「AI 使用误区」新选题(尤其由月度定时触发器拉起的无人值守会话),且要保证来源质量、不与现有条目重复时使用。.

XuebinMa/AIWiki · 91 tokens

aiwiki-entry-author

为 AiWiki 撰写或修订一条「误区」条目(docs/ 下的 .mdx)。当需要新增/改写误区条目、并保证第一人称 AI 声音、七段结构、frontmatter 规范与可核查出处时使用。.

XuebinMa/AIWiki · 68 tokens

aiwiki-translator

把一条 AiWiki 中文误区条目(docs/ 下的 .mdx)翻译成英文镜像,输出到 i18n/en/ 对应路径。当需要为新增或修订的中文条目生成/更新英文版时使用。.

XuebinMa/AIWiki · 60 tokens