explaining-code

explaining-code is a skill for Claude Code, Codex from bartstc/vite-ts-react-template. It costs 38 tokens per session (134 once invoked), scanned A, a copy of explain-code, MIT.

A guide for explaining code through everyday comparisons, text diagrams, step-by-step walkthroughs, and common mistakes.

In plain words
What is it for?
Use it when teaching how a codebase works, answering questions about code behavior, or documenting its structure and flow.
Why use it?
It gives readers a clear way to understand unfamiliar code and avoid misunderstandings.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it when teaching how a codebase works, answering questions about code behavior, or documenting its structure and flow.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bartstc/vite-ts-react-template/explaining-code
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 bartstc/vite-ts-react-template --skill explaining-code
Clone the repo
git clone --depth 1 https://github.com/bartstc/vite-ts-react-template

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 explaining-code

README.md
[![agentmods](https://agentmods.dev/badge/skills/bartstc/vite-ts-react-template/explaining-code/github.svg)](https://agentmods.dev/skills/bartstc/vite-ts-react-template/explaining-code)
Your own site
<a href="https://agentmods.dev/skills/bartstc/vite-ts-react-template/explaining-code"><img src="https://agentmods.dev/badge/skills/bartstc/vite-ts-react-template/explaining-code/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 explaining-code

Your own site · 80×15
<a href="https://agentmods.dev/skills/bartstc/vite-ts-react-template/explaining-code"><img src="https://agentmods.dev/badge/skills/bartstc/vite-ts-react-template/explaining-code.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 134 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 95% copy Near-identical to another mod 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 $0.00038 $0.00134
Opus 5.5 $0.00015 $0.00054
Sonnet 5.5 $0.00008 $0.00027
Haiku 4.5 $0.00004 $0.00013

Measured 1mo ago against content hash 2be8eaa67dad, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

explaining-code 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 1mo 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.

Origin

This is a copy

95% identical to explain-code — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/explaining-code/SKILL.md · 14 lines

What it actually says

When explaining code, always include:

  1. Start with an analogy: Compare the code to something from everyday life
  2. Draw a diagram: Use ASCII art to show the flow, structure, or relationships
  3. Walk through the code: Explain step-by-step what happens
  4. Highlight a gotcha: What's a common mistake or misconception?

Keep explanations conversational. For complex concepts, use multiple analogies.

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. 1mo ago First seen · 14 lines · 38 tokens per session scan A 2be8eaa67dad

Subscribe to this mod's changes

explaining-code is a skill published in the GitHub repository bartstc/vite-ts-react-template (122 stars, last pushed 8d ago), licensed MIT. It adds 38 tokens to every session and 134 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 95% identical to explain-code, differing in 2 lines, and is treated as a copy.

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