readme

readme is a skill for Claude Code, Codex from AdamBien/airails. It costs 96 tokens per session (437 once invoked), scanned A, original, MIT.

Writing guidance for creating or improving a README.md, the main project guide commonly shown on a code-hosting site.

In plain words
What is it for?
Use it when writing project purpose, prerequisites, build and run instructions, configuration notes, or a short Mermaid diagram.
Why use it?
It keeps setup and usage information concise and useful for experienced developers.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when writing project purpose, prerequisites, build and run instructions, configuration notes, or a short Mermaid diagram.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/adambien/airails/readme
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/adambien/airails/readme
Any agent
npx skills add AdamBien/airails --skill readme
Clone the repo
git clone --depth 1 https://github.com/AdamBien/airails

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 readme

README.md
[![agentmods](https://agentmods.dev/badge/skills/adambien/airails/readme.svg)](https://agentmods.dev/skills/adambien/airails/readme)
Your own site
<a href="https://agentmods.dev/skills/adambien/airails/readme"><img src="https://agentmods.dev/badge/skills/adambien/airails/readme.svg" alt="Measured on agentmods" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 437 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00096 $0.00437
Opus 5 $0.00048 $0.00218
Sonnet 5 $0.00019 $0.00087
Haiku 4.5 $0.00010 $0.00044

Measured 6d ago against content hash 0b46ef5c7911, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

readme 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.

documentation/readme/SKILL.md · 57 lines

What it actually says

README Writing

Style

  • Target audience: advanced developers. Assume familiarity with tools, frameworks, and patterns.
  • Use precise, concise language. Every sentence must convey information.
  • Use imperative form for instructions (e.g., "Run the build" not "You can run the build").
  • Avoid generic adjectives: "simple", "lightweight", "powerful", "easy-to-use", "robust".
  • Avoid the term "Orchestrates" — use more specific alternatives (e.g., "coordinates", "delegates to", "calls").

Structure

  • Keep READMEs brief and to the point — favor clarity over completeness.
  • Do NOT include detailed project structure (file/folder tree listings). High-level module descriptions are acceptable.
  • Do NOT list REST resources or API endpoints in READMEs.
  • If modules are listed, provide links to their directories or documentation.
  • Use Mermaid for diagrams. GitHub renders Mermaid natively in markdown.

Content

  • Lead with what the project does in one or two sentences.
  • Include only essential sections: purpose, prerequisites, build/run instructions, configuration (if non-obvious).
  • Omit sections that add no value (e.g., "Contributing", "License" boilerplate) unless explicitly requested.

Example skeleton

# Project Name

One or two sentences: what it does and why.

## Prerequisites

Java 25+, Docker

## Build and Run

\`\`\`
mvn clean package
java -jar target/app.jar
\`\`\`

## Configuration

Only if non-obvious.
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 · 57 lines · 96 tokens per session scan A 0b46ef5c7911

Subscribe to this mod's changes

readme is a skill published in the GitHub repository AdamBien/airails (48 stars, last pushed 2d ago), licensed MIT. It adds 96 tokens to every session and 437 once invoked, about $0.0005 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.

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