eli40

eli40 is a skill for Claude Code from isvlasov/rageatc-oss. It costs 81 tokens per session (360 once invoked), scanned A, original, MIT.

A skill for explaining technical subjects in simpler language, using familiar comparisons and defining specialist terms.

In plain words
What is it for?
Rewriting an explanation for a general technical audience or explaining a topic from scratch.
Why use it?
It helps readers understand an idea without already knowing its field-specific vocabulary.

Skill for Claude Code

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

Part of the rageatc-core-oss plugin — 24 skills, 6 agents shipped together

Good fit Rewriting an explanation for a general technical audience or explaining a topic from scratch.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/isvlasov/rageatc-oss/eli40
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 isvlasov/rageatc-oss --skill eli40
Clone the repo
git clone --depth 1 https://github.com/isvlasov/rageatc-oss

Made for: Claude Code.

Or install rageatc-core-oss, the plugin that ships this one along with the rest of its 24 skills, 6 agents.

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 eli40

README.md
[![agentmods](https://agentmods.dev/badge/skills/isvlasov/rageatc-oss/eli40/github.svg)](https://agentmods.dev/skills/isvlasov/rageatc-oss/eli40)
Your own site
<a href="https://agentmods.dev/skills/isvlasov/rageatc-oss/eli40"><img src="https://agentmods.dev/badge/skills/isvlasov/rageatc-oss/eli40/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 eli40

Your own site · 80×15
<a href="https://agentmods.dev/skills/isvlasov/rageatc-oss/eli40"><img src="https://agentmods.dev/badge/skills/isvlasov/rageatc-oss/eli40.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 81 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 360 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 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 $0.00081 $0.00360
Opus 5 $0.00041 $0.00180
Sonnet 5 $0.00016 $0.00072
Haiku 4.5 $0.00008 $0.00036

Measured 9d ago against content hash 3734f941f142, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

eli40 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 9d 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/rageatc-core-oss/skills/eli40/SKILL.md · 25 lines

What it actually says

ELI40

Re-explain for an intelligent adult with broad general knowledge but no expert depth in the area being discussed.

Behaviour

Without argument: re-explain your most recent message or suggestion, covering the same ground. With argument (e.g. /eli40 HTMX frontend): explain the given topic from scratch.

  1. Replace jargon with plain language, or define it inline on first use
  2. Use analogies to familiar concepts where they genuinely clarify
  3. Explain the "why" — connect facts to reasons, don't just state them
  4. Keep the structure — same logical flow, more accessible level
  5. Be honest about simplification — if glossing over important nuance, say so briefly

Calibration

Assume they understand variables, APIs, databases, git, basic networking, and how the web works. Assume they do NOT know framework-specific internals, protocol details, academic CS terminology, or niche architectural patterns. Concrete examples over abstract definitions; simpler doesn't mean longer.

Don't patronise ("so basically, a computer is like a brain..."), don't pile on caveats, don't turn it into a lecture — roughly match the length of the original explanation, and never lean on "basically" or "simply put" as crutches.

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. 9d ago First seen · 25 lines · 81 tokens per session scan A 3734f941f142

Subscribe to this mod's changes

eli40 is a skill published in the GitHub repository isvlasov/rageatc-oss (9 stars, last pushed 1mo ago), licensed MIT. It adds 81 tokens to every session and 360 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.

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