technical writer

Q: How do I install technical writer?

Run npx skills add https://github.com/daffy0208/ai-dev-standards --skill technical-writer in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/technical-writer/ (personal) or .claude/skills/technical-writer/ (project).

by daffy0208Docs & Writing

Create clear, comprehensive technical documentation for developers and users. Use when documenting APIs, writing user guides, creating tutorials, or setting up documentation sites. Covers API docs, user guides, architecture documentation, and documentation best practices.

Installs: 159
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Security: Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/daffy0208/ai-dev-standards --skill technical-writer

01
Install
Run the command in your project. The CLI asks which agents to install for.
02
Describe the task
Ask your agent for something this skill covers. It loads technical writer automatically when relevant.
03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Technical Writer

Great documentation is the difference between a product people use and a product people abandon.

Core Principle

Write for your audience, not yourself.

Good documentation:

Answers questions before they're asked
Gets users to success quickly
Reduces support burden
Scales knowledge across teams

Documentation Types

1. API Documentation

Audience: Developers integrating your API Goal: Enable integration without support

2. User Guides

Audience: End users Goal: Help users accomplish tasks

3. Tutorials

Audience: Learners Goal: Teach concepts through practice

4. Reference Documentation

Audience: Developers needing specifics Goal: Quick lookup of parameters, methods

5. Architecture Documentation

Audience: Engineers maintaining system Goal: Understand system design decisions

Phase 1: API Documentation

OpenAPI / Swagger Specification

# openapi.yaml
openapi: 3.0.0
info:
  title: User API
  version: 1.0.0
  description: API for managing users

servers:
  - url: https://api.example.com/v1
    description: Production server

paths:
  /users:
    get:
      summary: List all users
      description: Returns a paginated list of users
      parameters:
        - name: page
          in: query
          description: Page number
          schema:
            type: integer
            default: 1
        - name: limit
          in: query
          description: Items per page
          schema:
            type: integer
            default: 20
            maximum: 100
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/User'
                  pagination:
                    $ref: '#/components/schemas/Pagination'
        '401':
          $ref: '#/components/responses/Unauthorized'

    post:
      summary: Create a user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - email
                - name
              properties:
                email:
                  type: string
                  format: email
                  example: john@example.com
                name:
                  type: string
                  example: John Doe
      responses:
        '201':
          description: User created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/User'
        '400':
          $ref: '#/components/responses/BadRequest'

components:
  schemas:
    User:
      type: object
      properties:
        id:
          type: string
          format: uuid
        email:
          type: string
          format: email
        name:
          type: string
        createdAt:
          type: string
          format: date-time

    Pagination:
      type: object
      properties:
        page:
          type: integer
        limit:
          type: integer
        total:
          type: integer

  responses:
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: Unauthorized

    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
              details:
                type: array
                items:
                  type: string

  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

security:
  - bearerAuth: []

API Documentation Structure

# User API

## Authentication

All API requests require authentication using a Bearer token:

Authorization: Bearer YOUR_API_KEY


Get your API key from the [dashboard](https://dashboard.example.com).

## Base URL

https://api.example.com/v1


## Rate Limiting

- 100 requests per minute per API key
- 1000 requests per hour per API key

Rate limit headers:

X-RateLimit-Limit: 100 X-RateLimit-Remaining: 99 X-RateLimit-Reset: 1640000000


## Errors

Standard HTTP status codes:

| Code | Meaning |
|------|---------|
| 200 | Success |
| 201 | Created |
| 400 | Bad Request - Invalid parameters |
| 401 | Unauthorized - Missing or invalid API key |
| 403 | Forbidden - Insufficient permissions |
| 404 | Not Found |
| 429 | Too Many Requests - Rate limit exceeded |
| 500 | Internal Server Error |

Error response format:
```json
{
  "error": "Invalid email format",
  "code": "VALIDATION_ERROR",
  "details": {
    "field": "email",
    "message": "Must be a valid email address"
  }
}

Endpoints

List Users

GET /users

Returns a paginated list of users.

Query Parameters:

Parameter	Type	Default	Description
page	integer	1	Page number
limit	integer	20	Items per page (max 100)
sort	string	created_at	Sort field
order	string	desc	Sort order (asc/desc)

Example Request:

curl -X GET "https://api.example.com/v1/users?page=1&limit=20" \
  -H "Authorization: Bearer YOUR_API_KEY"

Example Response:

{
  "data": [
    {
      "id": "usr_123",
      "email": "john@example.com",
      "name": "John Doe",
      "createdAt": "2024-01-22T10:30:00Z"
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 20,
    "total": 100,
    "pages": 5
  }
}

Create User

POST /users

Creates a new user.

Request Body:

{
  "email": "john@example.com",
  "name": "John Doe",
  "role": "user"
}

Parameters:

Field	Type	Required	Description
email	string	Yes	User email address
name	string	Yes	User full name
role	string	No	User role (default: user)

Example Request:

curl -X POST "https://api.example.com/v1/users" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "john@example.com",
    "name": "John Doe"
  }'

Example Response:

{
  "id": "usr_123",
  "email": "john@example.com",
  "name": "John Doe",
  "role": "user",
  "createdAt": "2024-01-22T10:30:00Z"
}

SDKs

JavaScript / TypeScript

npm install @example/api-client

import { ExampleAPI } from '@example/api-client'

const client = new ExampleAPI('YOUR_API_KEY')

// List users
const users = await client.users.list({ page: 1, limit: 20 })

// Create user
const user = await client.users.create({
  email: 'john@example.com',
  name: 'John Doe'
})

Python

pip install example-api

from example_api import Client

client = Client('YOUR_API_KEY')

# List users
users = client.users.list(page=1, limit=20)

# Create user
user = client.users.create(
    email='john@example.com',
    name='John Doe'
)

Webhooks

Subscribe to events via webhooks:

{
  "url": "https://yourdomain.com/webhook",
  "events": ["user.created", "user.updated", "user.deleted"]
}

Webhook payload:

{
  "event": "user.created",
  "timestamp": "2024-01-22T10:30:00Z",
  "data": {
    "id": "usr_123",
    "email": "john@example.com"
  }
}

Changelog

v1.1.0 (2024-01-22)

Added sort and order parameters to list endpoints
Improved error messages

v1.0.0 (2024-01-01)

Initial release


---

## Phase 2: User Guides

### Structure

```markdown
# Getting Started Guide

## What You'll Learn

In this guide, you'll learn how to:
- Set up your account
- Create your first project
- Invite team members
- Deploy to production

**Time required:** 15 minutes

## Prerequisites

Before you begin, make sure you have:
- [ ] An account (sign up at example.com)
- [ ] Node.js 18+ installed
- [ ] Basic command line knowledge

## Step 1: Create a Project

1. Log in to your [dashboard](https://dashboard.example.com)
2. Click **New Project**
3. Enter your project name
4. Select a region (choose the one closest to your users)
5. Click **Create**

![Create Project Screenshot](./images/create-project.png)

**Tip:** You can create up to 5 projects on the free plan.

## Step 2: Install the CLI

Open your terminal and run:

```bash
npm install -g @example/cli

Verify installation:

example --version

You should see: example CLI v1.0.0

Step 3: Authenticate

example login

This will open your browser. Click Authorize to continue.

Step 4: Deploy Your App

Navigate to your app directory:

cd my-app

Deploy:

example deploy

Your app will be live at https://your-app.example.com

Next Steps

Configure custom domains
Set up environment variables
Add team members

Troubleshooting

"Command not found: example"

Solution: Make sure npm's global bin directory is in your PATH.

Run:

npm config get prefix

Add /bin to your PATH.

"Authentication failed"

Solution:

Log out: example logout
Log in again: example login
Make sure you're using the correct account

Need Help?


---

## Phase 3: Tutorials

### Tutorial Structure

```markdown
# Build a Todo App with Example Framework

## What You'll Build

In this tutorial, you'll build a fully functional todo app with:
- ✅ Add, edit, and delete todos
- ✅ Mark todos as complete
- ✅ Filter by status
- ✅ Persist data to database

**Final result:** [Live Demo](https://todo-demo.example.com)

## Prerequisites

- Node.js 18+
- Basic JavaScript knowledge
- 30 minutes

## Step 1: Set Up Project

Create a new project:

```bash
npx create-example-app my-todo-app
cd my-todo-app
npm install

Start the dev server:

npm run dev

Open http://localhost:3000. You should see a welcome page.

Step 2: Create Todo Component

Create components/Todo.jsx:

export function Todo({ todo, onToggle, onDelete }) {
  return (
    <div className="todo">
      <input type="checkbox" checked={todo.completed} onChange={() => onToggle(todo.id)} />
      <span className={todo.completed ? 'completed' : ''}>{todo.text}</span>
      <button onClick={() => onDelete(todo.id)}>Delete</button>
    </div>
  )
}

What's happening here:

onToggle marks the todo as complete/incomplete
onDelete removes the todo
CSS class completed styles finished todos

Step 3: Create TodoList Component

Create components/TodoList.jsx:

import { useState } from 'react'
import { Todo } from './Todo'

export function TodoList() {
  const [todos, setTodos] = useState([])
  const [newTodo, setNewTodo] = useState('')

  const addTodo = () => {
    if (!newTodo.trim()) return

    setTodos([
      ...todos,
      {
        id: Date.now(),
        text: newTodo,
        completed: false
      }
    ])

    setNewTodo('')
  }

  const toggleTodo = id => {
    setTodos(todos.map(todo => (todo.id === id ? { ...todo, completed: !todo.completed } : todo)))
  }

  const deleteTodo = id => {
    setTodos(todos.filter(todo => todo.id !== id))
  }

  return (
    <div>
      <h1>My Todos</h1>

      <div className="add-todo">
        <input
          value={newTodo}
          onChange={e => setNewTodo(e.target.value)}
          placeholder="What needs to be done?"
          onKeyPress={e => e.key === 'Enter' && addTodo()}
        />
        <button onClick={addTodo}>Add</button>
      </div>

      <div className="todo-list">
        {todos.map(todo => (
          <Todo key={todo.id} todo={todo} onToggle={toggleTodo} onDelete={deleteTodo} />
        ))}
      </div>
    </div>
  )
}

Key concepts:

useState manages the list of todos
map renders each todo
filter removes deleted todos

Step 4: Add Filtering

Update TodoList.jsx:

const [filter, setFilter] = useState('all') // 'all', 'active', 'completed'

const filteredTodos = todos.filter(todo => {
  if (filter === 'active') return !todo.completed
  if (filter === 'completed') return todo.completed
  return true
})

// In JSX:
<div className="filters">
  <button onClick={() => setFilter('all')}>All</button>
  <button onClick={() => setFilter('active')}>Active</button>
  <button onClick={() => setFilter('completed')}>Completed</button>
</div>

<div className="todo-list">
  {filteredTodos.map(todo => (
    <Todo key={todo.id} todo={todo} onToggle={toggleTodo} onDelete={deleteTodo} />
  ))}
</div>

Step 5: Persist to Database

Install Prisma:

npm install @prisma/client
npm install -D prisma
npx prisma init

Define schema in prisma/schema.prisma:

model Todo {
  id        String   @id @default(uuid())
  text      String
  completed Boolean  @default(false)
  createdAt DateTime @default(now())
}

Run migration:

npx prisma migrate dev --name init

Create API route app/api/todos/route.ts:

import { prisma } from '@/lib/db'

export async function GET() {
  const todos = await prisma.todo.findMany()
  return Response.json(todos)
}

export async function POST(request: Request) {
  const { text } = await request.json()

  const todo = await prisma.todo.create({
    data: { text }
  })

  return Response.json(todo)
}

Update TodoList.jsx to use API:

useEffect(() => {
  fetch('/api/todos')
    .then(res => res.json())
    .then(data => setTodos(data))
}, [])

const addTodo = async () => {
  if (!newTodo.trim()) return

  const response = await fetch('/api/todos', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ text: newTodo })
  })

  const todo = await response.json()
  setTodos([...todos, todo])
  setNewTodo('')
}

What You Learned

✅ Component composition
✅ State management with useState
✅ Event handling
✅ Conditional rendering
✅ API integration
✅ Database persistence

Next Steps

Add due dates to todos
Implement drag-and-drop reordering
Add user authentication
Deploy to production

Full Code

View on GitHub


---

## Phase 4: Reference Documentation

### Component Documentation

```markdown
# Button Component

## Import

```typescript
import { Button } from '@/components/Button'

Usage

<Button variant="primary" size="md" onClick={handleClick}>
  Click me
</Button>

Props

Prop	Type	Default	Description
children	ReactNode	required	Button content
variant	'primary' \| 'secondary' \| 'danger'	'primary'	Visual style
size	'sm' \| 'md' \| 'lg'	'md'	Button size
onClick	() => void	-	Click handler
disabled	boolean	false	Disabled state
loading	boolean	false	Shows loading spinner
type	'button' \| 'submit' \| 'reset'	'button'	HTML button type
fullWidth	boolean	false	Full width button

Examples

Primary Button

<Button variant="primary">Save</Button>

Secondary Button

<Button variant="secondary">Cancel</Button>

Danger Button

<Button variant="danger" onClick={handleDelete}>
  Delete
</Button>

Loading State

<Button loading disabled>
  Processing...
</Button>

Full Width

<Button fullWidth>Submit</Button>

Accessibility

Uses semantic <button> element
Supports keyboard navigation (Enter, Space)
Includes proper ARIA attributes when loading
Meets WCAG AA contrast requirements

Related Components

IconButton
LinkButton


---

## Documentation Tools

### Docusaurus (Recommended)

```bash
npx create-docusaurus@latest my-docs classic

cd my-docs
npm start

Structure:

my-docs/
├── docs/              # Documentation markdown files
│   ├── intro.md
│   ├── api/
│   └── guides/
├── blog/              # Blog posts
├── src/
│   └── pages/         # Custom React pages
├── static/            # Images, assets
├── docusaurus.config.js
└── sidebars.js        # Sidebar navigation

Other Tools

GitBook - Beautiful, easy
MkDocs - Python, simple
Mintlify - AI-powered, modern
ReadMe.io - API-focused
Notion - Internal docs

Writing Best Practices

✅ DO

Use Active Voice:

✅ "Click the button to save"
❌ "The button should be clicked to save"

Be Concise:

✅ "Returns user data"
❌ "This endpoint will return the data associated with the user"

Use Examples:

✅ "Set `timeout` to 5000 (5 seconds)"
❌ "Set the timeout parameter"

Break Up Long Content:

✅ Use headings, lists, code blocks
❌ Long paragraphs of text

Include Error Handling:

✅ Show common errors and solutions
❌ Only show happy path

❌ DON'T

Use jargon without explanation
Assume knowledge
Write from your perspective ("we", "our")
Skip error cases
Let docs get stale

Documentation Checklist

Getting Started

Installation instructions
Quick start guide
Hello World example
Next steps

API Documentation

Guides

Common use cases covered
Step-by-step tutorials
Screenshots/videos included
Troubleshooting section

Reference

All parameters documented
Types specified
Default values listed
Examples provided

Maintenance

Versioned
Changelog maintained
Broken links checked
Reviewed quarterly

Related Resources

Skills:

api-designer - API documentation
frontend-builder - Component documentation
ux-designer - User guides

Tools:

Great docs = happy developers = successful product. 📖

FAQ

What does the technical writer skill do?

How do I install technical writer?

Run npx skills add https://github.com/daffy0208/ai-dev-standards --skill technical-writer in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/technical-writer/ (personal) or .claude/skills/technical-writer/ (project).

Which AI agents can use technical writer?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is technical writer safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains technical writer?

It is published by daffy0208 in daffy0208/ai-dev-standards. It has 159 recorded installs.

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technical writer

Install

Install

Describe the task

Review the result

SKILL.md

Technical Writer

Core Principle

Documentation Types

1. API Documentation

2. User Guides

3. Tutorials

4. Reference Documentation

5. Architecture Documentation

Phase 1: API Documentation

OpenAPI / Swagger Specification

API Documentation Structure

Endpoints

List Users

Create User

SDKs

JavaScript / TypeScript

Python

Webhooks

Changelog

v1.1.0 (2024-01-22)

v1.0.0 (2024-01-01)

Step 3: Authenticate

Step 4: Deploy Your App

Next Steps

Troubleshooting

"Command not found: example"

"Authentication failed"

Need Help?

Step 2: Create Todo Component

Step 3: Create TodoList Component

Step 4: Add Filtering

Step 5: Persist to Database

What You Learned

Next Steps

Full Code

Usage

Props

Examples

Primary Button

Secondary Button

Danger Button

Loading State

Full Width

Accessibility

Related Components

Other Tools

Writing Best Practices

✅ DO

❌ DON'T

Documentation Checklist

Getting Started

API Documentation

Guides

Reference

Maintenance

Related Resources

FAQ

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