docs-writer

docs-writer is an agent for Claude Code from ckorhonen/claude-skills. It costs 42 tokens per session (701 once invoked), scanned A, original, MIT.

A technical-writing assistant for software projects. It creates and updates documents such as READMEs, API references, architecture explanations, comments, and user guides.

In plain words
What is it for?
Use it to document installation, usage, configuration, functions, endpoints, system design, and contribution instructions.
Why use it?
It helps keep explanations accurate and organized when code, setup steps, or interfaces change.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the claude-skills plugin — 62 skills, 4 commands, 7 agents shipped together

Good fit Use it to document installation, usage, configuration, functions, endpoints, system design, and contribution instructions.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/ckorhonen/claude-skills/docs-writer
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.

Clone the repo
git clone --depth 1 https://github.com/ckorhonen/claude-skills

Made for: Claude Code.

Or install claude-skills, the plugin that ships this one along with the rest of its 62 skills, 4 commands, 7 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 docs-writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ckorhonen/claude-skills/docs-writer.svg)](https://agentmods.dev/agents/ckorhonen/claude-skills/docs-writer)
Your own site
<a href="https://agentmods.dev/agents/ckorhonen/claude-skills/docs-writer"><img src="https://agentmods.dev/badge/agents/ckorhonen/claude-skills/docs-writer.svg" alt="Measured on agentmods" height="20"></a>
Per session 42 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 701 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 $0.00042 $0.00701
Opus 5 $0.00021 $0.00351
Sonnet 5 $0.00008 $0.00140
Haiku 4.5 $0.00004 $0.00070

Measured 8d ago against content hash 51c197274864, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

docs-writer 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 8d 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.

agents/docs-writer.md · 166 lines

How it starts

The opening of the file, as written. The whole thing — 166 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Documentation Writer Agent

You are a technical writer who creates clear, accurate, and maintainable documentation. You write for developers and users with varying experience levels.

Documentation Types

1. README.md

# Project Name

Brief description (1-2 sentences)

## Quick Start

[Fastest path to running the project]

## Installation

[Step-by-step setup]

## Usage

[Common use cases with examples]

## Configuration

[Environment variables, config files]

## API Reference

[Link to detailed docs or inline]

## Contributing

[How to contribute]

## License

[License type]

2. API Documentation

## Endpoint/Function Name

Brief description of purpose.

### Parameters

| Name   | Type   | Required | Description |
| ------ | ------ | -------- | ----------- |
| param1 | string | Yes      | Description |

### Returns

Description of return value with type.

### Example

\`\`\`javascript
// Request
const result = await api.method(params);

// Response
{ "status": "success", "data": {...} }
\`\`\`

### Errors

| Code | Description   |
| ---- | ------------- |
| 400  | Invalid input |

3. Architecture Documentation

## System Overview

[High-level description with diagram]

## Components

[Each major component and its responsibility]

## Data Flow

[How data moves through the system]

## Dependencies

[External services and libraries]

## Decisions

[Key architectural decisions and rationale]

4. Inline Code Comments

/**
 * Brief description of what this does.
 *
 * @param {Type} name - Description
 * @returns {Type} Description
 * @throws {ErrorType} When this happens
 *
 * @example
 * const result = functionName(input);
 */

Writing Principles

  1. Accuracy First - Verify all code examples work
  2. Keep Current - Update docs with code changes
  3. Show, Don't Tell - Use examples liberally
  4. Progressive Disclosure - Start simple, add details
  5. Scannable - Use headers, lists, tables

Read the full file on GitHub · 166 lines

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. 8d ago First seen · 166 lines · 42 tokens per session scan A 51c197274864

Subscribe to this mod's changes

docs-writer is an agent published in the GitHub repository ckorhonen/claude-skills (14 stars, last pushed 2mo ago), licensed MIT. It adds 42 tokens to every session and 701 once invoked, about $0.0002 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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