Mater Dei AI Club

Once you're comfortable with the basics, these techniques will help you work faster, automate repetitive tasks, and get more value from every session. You don't need to be a developer to use most of these — they're just smarter ways to direct Claude.

Work on Multiple Things at Once

Instead of doing tasks one at a time, you can ask Claude to handle several things simultaneously. This saves a lot of time on big projects.

Ask for Parallel Work

> In parallel: organize my receipts by month, summarize my bank statement, and draft a list of tax-deductible expenses

Batch Changes Across Many Files

The /batch command applies the same instruction to many files at once:

/batch Rename all files in this folder to follow the format "YYYY-MM-DD-description" /batch Add a header row to every CSV file in the reports folder

What this means for you

Instead of asking Claude to fix 20 files one at a time, you give one instruction and Claude does all 20 at once. A task that takes 30 minutes becomes 2 minutes.

Quick One-Shot Commands

Sometimes you don't need a full conversation. “Print mode” lets you ask Claude a quick question and get an answer without starting an interactive session.

# Ask a quick question claude -p "What's in this folder?" # Process some text echo "Meeting notes from today..." | claude -p "Turn these into action items" # Analyze a file claude -p "Summarize the key points in this document"

Practical Examples

# Quick email draft claude -p "Draft a professional email declining a meeting invitation for tomorrow" # Reformat data claude -p "Convert this CSV data into a readable table format" # Get a summary claude -p "What changed in this project since last week?"

Good to know

Print mode (-p) is perfect for quick tasks you do repeatedly. You can even save these as shortcuts on your computer to run them with one click.

Schedule Recurring Tasks

Claude can run tasks on a schedule — daily, weekly, or at any interval you choose. Think of it like setting an alarm clock for work tasks.

Cloud-Based Scheduling

Set up tasks that run automatically in the cloud, even when your computer is off:

/schedule # Open the scheduling menu

Things you can schedule:

  • Daily report summaries
  • Weekly project status checks
  • Regular file organization
  • Nightly data backups
  • Periodic website health checks

Session-Based Repeating Tasks

Run a task on repeat during your work session:

/loop 5m "check for new emails" # Check every 5 minutes /loop 1h "generate a status report" # Generate every hour /loop 10m "check website is working" # Monitor every 10 minutes

What this means for you

Imagine waking up to a daily summary of your email, a report on yesterday's sales, or a list of tasks that need attention — all prepared automatically before you even sit down.

Try Things Without Risk

Sometimes you want Claude to experiment with your files without worrying about breaking anything. “Worktrees” create a safe copy of your project where Claude can make changes freely.

claude --worktree experiment # Work in a safe copy

How it works:

  1. Claude creates a separate copy of your project
  2. All changes happen in the copy, not your original files
  3. If you like the results, you can merge them back
  4. If you don't like them, the copy is deleted — your originals are untouched

When to Use This

  • Reorganizing a large set of files
  • Trying a different approach to a project
  • Experimenting with formatting or structure changes
  • Testing before committing to big changes

Create Your Own Workflows

If you find yourself repeating the same multi-step process, you can turn it into a custom skill (see Skills) that runs with a single command.

Example: Weekly Business Review

Instead of manually asking for each piece, create a skill that does it all:

# One command instead of five separate requests: /weekly-review # This could automatically: # 1. Summarize this week's emails # 2. Check financial reports # 3. List overdue tasks # 4. Draft a status update for your team # 5. Suggest priorities for next week

Example: Content Publishing Pipeline

# One command to prepare a blog post: /publish "How to Save Money on Business Insurance" # This could automatically: # 1. Check the draft for grammar and tone # 2. Generate social media posts for LinkedIn, Twitter, Instagram # 3. Create an email newsletter version # 4. Suggest SEO improvements

Managing Costs

If you're using the API (building apps for others), here are ways to keep costs down:

Set Spending Limits

# Set a maximum budget for a task claude -p --max-budget-usd 5.00 "Analyze these reports" # Check what you've spent this session /cost

Use the Right Model for the Job

Task Recommended Model Why
Simple sorting or categorizing Haiku (cheapest) Fast and accurate for straightforward tasks
Writing, analysis, most tasks Sonnet (balanced) Great quality at a reasonable price
Complex analysis, important decisions Opus (smartest) Best reasoning, worth the premium

Use Batch Processing for Bulk Work

If you need to process hundreds of items (emails, documents, data entries), batch mode gives you a 50% discount. The trade-off: results come back in minutes rather than seconds.

Working Across Multiple Projects

You can give Claude access to multiple folders at once, which is useful when your work spans several locations:

claude --add-dir ~/Documents/finances --add-dir ~/Documents/tax-prep

Now Claude can read and work with files in both your finances and tax-prep folders in the same session.

Move Between Web and Desktop

Start a conversation on the web (claude.ai) and continue it on your computer, or vice versa:

claude --teleport # Pick up a web session on your computer

This is useful when you start planning on your phone or a borrowed computer and want to continue with full file access on your own machine.

Tips

  • Start simple, add complexity— master one-shot commands before building custom workflows.
  • Automate what you repeat— if you do the same task weekly, make it a scheduled task or a custom skill.
  • Use worktrees for big experiments— never risk your original files when trying something new.
  • Batch for bulk work— processing 100 items one at a time costs twice as much as batching them.
  • Check your costs — use /cost periodically to stay aware of spending.

Source: ClaudeCodeMastery beginner docs (localhost:3055/docs/advanced-patterns), fetched 2026-09-04