write-clear-readme

write-clear-readme is a skill for Claude Code from coroboros/agent-skills. It costs 72 tokens per session (4,564 once invoked), scanned A, original, MIT.

A README-writing skill for creating, auditing, restructuring, or polishing a project's README. A README is the main guide that explains a software project to its users and contributors.

In plain words
What is it for?
Use it to write or revise README content, choose a suitable section layout, shorten unclear text, and check that internal anchors still work.
Why use it?
It helps make project documentation easier to scan while keeping sections, links, wording, and navigation consistent.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md; positional $N argument.

Part of the writing-skills plugin — 3 skills shipped together

Good fit Use it to write or revise README content, choose a suitable section layout, shorten unclear text, and check that internal anchors still work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/coroboros/agent-skills/write-clear-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.

Any agent
npx skills add coroboros/agent-skills --skill write-clear-readme
Clone the repo
git clone --depth 1 https://github.com/coroboros/agent-skills

Made for: Claude Code.

Or install writing-skills, the plugin that ships this one along with the rest of its 3 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 write-clear-readme

README.md
[![agentmods](https://agentmods.dev/badge/skills/coroboros/agent-skills/write-clear-readme.svg)](https://agentmods.dev/skills/coroboros/agent-skills/write-clear-readme)
Your own site
<a href="https://agentmods.dev/skills/coroboros/agent-skills/write-clear-readme"><img src="https://agentmods.dev/badge/skills/coroboros/agent-skills/write-clear-readme.svg" alt="Measured on agentmods" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,564 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 $0.00072 $0.04564
Opus 5 $0.00036 $0.02282
Sonnet 5 $0.00014 $0.00913
Haiku 4.5 $0.00007 $0.00456

Measured today against content hash 10912b266ee2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

write-clear-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 today.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/audit_readme.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/write-clear-readme/SKILL.md · 290 lines

How it starts

The opening of the file, as written. The whole thing — 290 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Write Clear README

Important — Writing rules

Apply these rules to emitted prose: docs, comments, commit messages, PR bodies, and release notes.

  • Match surrounding punctuation, capitalization, and formatting.
  • Every sentence changes the reader's understanding. Cut it otherwise.
  • Lead with the action or outcome.
  • Use concrete language and lists when they improve comparison or sequence.
  • Assert positively. Reserve negation for real constraints (NEVER commit secrets).
  • No marketing words: powerful, robust, seamlessly, leverage, unlock, comprehensive, delightful.
  • No AI tells: delve, tapestry, intricate, pivotal, testament, underscore, crucial, garner, showcase, additionally, moreover, furthermore, indeed.
  • For substantive English prose, use /humanize-en if installed with the existing scope and authorization. It adds no approval stage; skip redundant passes over short status text.

Author, audit, or polish a README.md for clarity and scannable structure. Read repository truth first. Explicit author/polish requests authorize local edits; audit/propose stays read-only. Carry this target and mode through a nested prose pass without another approval prompt. Publication is a separate action.

Additional context from the user: $ARGUMENTS

Context

  • Repo: !basename $(git rev-parse --show-toplevel 2>/dev/null || echo unknown)
  • Existing README: !test -f README.md && wc -l < README.md | awk '{print $1 " lines"}' || echo "none"
  • Package manifest: !test -f package.json && jq -r '.name + "@" + .version' package.json 2>/dev/null || echo "none"
  • Top-level folders: !ls -d */ 2>/dev/null | head -20 | tr '\n' ' '

Doc type → pattern

Long READMEs cause scroll fatigue. The fix is a structural decision before any prose: pick one collapse pattern for the whole doc and apply it uniformly. Selective collapse driven by per-section judgment — some sections visible, some hidden — creates a minefield. Readers cannot infer the rule, every heading becomes a guess.

Read the full file on GitHub · 290 lines

Files

What ships with it

2 files 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. today Changed · -6 lines · -65 tokens per session 10912b266ee2
  2. 8d ago First seen · 296 lines · 137 tokens per session scan A eabe398326cd

Subscribe to this mod's changes

write-clear-readme is a skill published in the GitHub repository coroboros/agent-skills (4 stars, last pushed yesterday), licensed MIT. It adds 72 tokens to every session and 4,564 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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