Claude Setup Guide

808AI 五金行

ChatGPT vs Gemini vs Claude

Each of the big three has its strengths — like three different pliers in a hardware store. It all depends on what you need to grip.

ChatGPT

The Scholar

Excels at research and deep thinking — ask it a complex question, and it maps the full picture before diving in. When coding, it comprehends the whole project first, then delivers in one shot, catching edge cases you didn't even think of.

Gemini

The Born Creator

The go-to for visual design. Drop a single prompt and it generates beautifully polished web pages. Its image generation is precise and commercially viable — if you're doing design, this is the one.

Claude

The Reliable Executor

Never overthinks to the point of over-engineering, and never randomly drops the ball. Consistent, high-quality output is its trademark. Want something you can hand off without worrying? Go with Claude.

Model Tiers — Haiku / Sonnet / Opus

Claude comes in three tiers — like consumer, professional, and flagship tools at a hardware store. Just pick the one that fits.

	Haiku	Sonnet	Opus
Positioning	Lightweight & fast	Daily workhorse	Highest quality
Best for	Simple classification, summaries	Everyday task execution	Writing, coding & high-quality work
Speed	Fastest	Fast	Slower
Cost	Low	Medium	High
Free tier quota	Generous	Moderate	Very limited

💡 Our recommendation: Sonnet handles most daily tasks just fine. When quality really matters — writing or coding — go straight to Opus.

💡 Good to know: Opus in Claude Code has three thinking levels — low, medium, and high — so you can fine-tune based on task difficulty.

Three Product Lines — Which One to Pick?

Claude has three entry points: New Chat / New Task / New Session — three entirely different product philosophies. Like a screwdriver, a power drill, and a CNC machine — same brand, vastly different uses.

Claude App

New Chat · Conversation-first

A classic chat interface — just ask. It can also connect to external tools like Figma and Notion via MCP.

Claude Cowork

New Task · Task-first

Assign a task and let it run in the background. It can operate your computer — browse the web, organize files, fill out forms, schedule automations — and notify you when done.

Claude Code

New Session · Engineering-first

A fully autonomous loop — reads files, edits files, runs terminal commands, searches the web, connects services, and works end-to-end without stopping.

🗣️

Talk

It doesn't move until you speak

🤲

Delegate

You assign, it breaks down & executes

🏭

Workshop

You let go, it completes autonomously

Feature	App	Cowork	Code
Answer questions	✓	✓	✓
Read local files	✕	✓	✓
Edit local files	✕	✓	✓
Operate your computer	✕	✓	✓
MCP support	✓	✓	✓
Skill support	Usable but not persistent	✓	✓
Background / scheduled runs	✕	✓	✓
Learning curve	Low	Medium	High

💡 Our take: Claude Code is the most powerful, but has the steepest learning curve. If you're willing to invest the time, Code is absolutely worth it.

When to Use What?

Use App when you…

Have a quick question
Want to translate or draft some copy
Don't need it touching your files
Want a back-and-forth conversation

Use Cowork when you…

Have a clear task to get done
Need to organize computer folders
Want AI to run in the background and notify you
Need to schedule automated tasks

Use Code when you…

Need to write code or fix bugs
Want to batch-process files
Need to chain multiple steps together
Want to do anything the terminal can do

The Claude Ecosystem at a Glance

Claude is more than just a chat box — its surrounding tools line up like accessories on a hardware store pegboard.

Cowork + Code

Task — Background Jobs

Both products support Tasks, but work differently. Cowork runs locally (your computer must stay on); Code supports cloud scheduling, running even when you're away.

🔧 Think of it as: assigning a to-do, going about your day, and checking the report when it's done

Code · Research Preview

Channel — Connect to Messaging Apps

Use plugins to connect Telegram / Discord to a Claude Code session, so you can command it remotely from your phone.

🔧 Think of it as: texting your home computer assistant from your phone to get things done

Cowork · Research Preview

Dispatch — Remote Control

Persistent cross-device conversations — assign tasks from your phone, execute on Mac, get push notifications on completion. macOS only for now.

🔧 Think of it as: directing your office assistant no matter where you are

Cowork + Code + Desktop · Beta

Claude for Chrome

More than just reading web pages — it can navigate, click, fill forms, manage multiple tabs, and record workflows.

🔧 Think of it as: an assistant sitting next to you, operating the browser on your behalf

App · Beta

Interactive Tools — Visual Widgets

Interactive charts pop up right in the conversation — compound interest curves, periodic tables, concept diagrams, generated on the fly.

🔧 Think of it as: quick whiteboard sketches drawn mid-conversation

Cowork + Code · Research Preview · macOS

Computer Use — Direct Desktop Control

Directly operates your desktop — opens apps, controls the browser, fills forms, organizes files.

🔧 Think of it as: a remote assistant who can see your screen and control your mouse and keyboard

Why Is Everyone Obsessed with Claude Code?

Claude Code was originally built for engineers, but because it can read files, edit files, and run terminal commands — the potential is literally limitless. In short: regular Claude is AI that "talks"; Claude Code is AI that "does."

Non-programmers can use it just as powerfully:

📂 Knowledge Management

Reads your notes folder, auto-categorizes and tags everything

✍️ Writing

Writes articles based on your note library — your material, your style

📊 Presentations

Generates slide decks directly from your data

📱 Social Posts

Turns articles into social media posts with captions in one click

🎨 Design

Creates visual designs with HTML, integrates with Figma MCP

🎬 Media Processing

Downloads YouTube videos, compresses audio, batch-renames files

      Claude Code doesn't just do one thing at a time —
it edits copy → generates images → creates design files → publishes, all in one flow.
    

Get Started with Claude Code in Six Steps

Follow along — you'll be up and running in ten minutes. Easier than assembling IKEA furniture.

Subscribe to Claude

You need Pro or above to use Claude Code. $20/month — great value.

Open the Terminal

On Mac, press Cmd + Space and type "Terminal" to open it.

Install Claude Code

curl -fsSL https://claude.ai/install.sh | bash

Create a Workspace Folder

Create a new Claude-workspace folder and drag it into your editor.

Open the Terminal in Your Editor

Go to Terminal → New Terminal, then type claude.

Start Giving Instructions

Once you see the welcome screen, you're all set! Just talk to it in natural language.

Core Concepts — Four Things You Must Know

MCP — What It Can Use

The protocol for AI to communicate with external tools — the USB-C of the AI world. Install the Notion MCP and it can create pages directly.

🔌 Think of it as: a USB-C port — plug in anything

Skill — How It Works

An instruction manual written for Claude. Scripts, examples, and workflows all bundled into a SKILL.md, triggered with a single command.

📋 Think of it as: an SOP manual — follow the steps, no mistakes

CLAUDE.md — Written by You

Your custom handbook for Claude. It's auto-loaded every session, so Claude always knows your rules.

📖 Think of it as: an employee handbook — read on day one

MEMORY.md — Written by Claude

Claude's own notebook. It remembers your corrections, preferences, and past pitfalls.

📓 Think of it as: a work journal — the more experience, the better the performance

Common Slash Commands

/model — Switch models

/compact — Compress old conversation

/clear — Clear context

/account — Check remaining quota

/init — Auto-create CLAUDE.md

/resume — Resume last conversation

/plugins — Browse & install plugins

Everyday Operations

@ File References & Text Selection

Type @filename to bring a specific file into the conversation. Highlighted text automatically appears in the input box.

💡 Claude doesn't read all files every time — specify what you need for precision

Permissions & Edit Modes

Each edit prompts an authorization confirmation. You can switch to "auto-edit" mode — four permission levels from strict to fully open.

⚠️ skip-permissions bypasses all safety checks — only recommended in isolated environments

ESC to Interrupt & Time-Travel Undo

Press ESC to stop immediately. The undo feature lets you: revert only the conversation, revert only file changes, or revert everything — like branching in Git.

💡 Change your mind anytime — zero-cost experimentation

Context Window Management

Each conversation has a capacity limit. When usage reaches 70–80%, run /compact to compress old content.

💡 The conversation is like a whiteboard — wipe it when full; CLAUDE.md is the bulletin board on the wall — always there

Input Tips

Shift + Enter for a new line without sending; Enter to send. Organize your thoughts first for higher quality output.

Advanced Features — Unlock More Possibilities

Hooks — Event-Triggered Automation

100% deterministic

Set a condition, and it fires every single time. Auto-notify on task completion, auto-lint before saving.

🚪 Think of it as: an automatic door — someone approaches, it opens

Custom Subagents — Dedicated Specialists

Reusable

Create persistent specialist assistants via /agents, with pre-configured tools, models, and memory.

👷 Think of it as: trained specialist employees, ready when you call

Agent Teams — Multi-Agent Collaboration

Multiplied efficiency

Split work across multiple AI agents running in parallel; results are automatically merged.

🏥 Think of it as: turning one exam room into multiple rooms seeing patients simultaneously

Plan Mode — Think Before You Act

Development powerhouse

Drafts a complete blueprint, lists key questions for confirmation, then executes only after approval.

📐 Think of it as: drawing the blueprint and getting sign-off before breaking ground

Plugins — Pre-Packaged Extensions

One-click install

Browse all plugins via /plugins. Pre-bundled combos of Skill + Hooks + MCP — all set up in one go.

🧰 Think of it as: buying a toolkit instead of picking items one by one

Skill Creator — Build Your Own Skills

Tailor-made

Describe what you need in natural language, and Claude auto-generates a custom Skill for you.

🍳 Think of it as: nailing a recipe, then writing it down for next time

🎯 Not sure what to use? Check here:

Clear rules, simple conditions → Hook
Complex workflows requiring AI judgment → Skill
Recurring specialized tasks → Custom Subagent
One-off parallel operations → Agent Team

Five Mindsets for Mastering Claude Code

Be Goal-Oriented

Start with "what I want" instead of "what you should do." Give it the destination and let it figure out the route.

"Define the finish line clearly; let it find its own path."

Chain Multiple Steps Together

Don't spoon-feed it step by step — give it the entire workflow at once. That's what it does best.

"Don't go retail; give it wholesale."

Turn Great Results into Skills

Try once, save it, use it many times. A good prompt deserves to be packaged.

"Once is manual; twice means it's time to save a template."

Build Your Own Reference Library

Collect assets over time — writing style references, design examples, common formats — and deploy them with a single sentence.

"A well-stocked warehouse ships faster."

Keep Iterating — It Gets Better Over Time

It's not just the tool getting smarter — your entire system is evolving. CLAUDE.md, Skills, MCP — they all compound.

"You're not just sharpening the blade — you're building your own hardware store."

Tools evolve too fast to bet on. Your workflows and mindset are your real moat.

	PRO	MAX 5x	MAX 20x
Monthly (USD)	$20	$100	$200
Approx. TWD	~600	~3,000	~6,000
Opus quota	Limited	5×	20×