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Module · Copilot Engineer

Customising the Assistant

Instruction files, prompt files and the tools you wire in - the difference between a generic assistant and yours.

2 topics4 interactive tasks

TOPIC 01

Instruction Files

The file the assistant reads before every suggestion.

What you'll practice

  • Write the Instruction File — guided · beginner
  • Scope the Instructions — practice · intermediate

A command you'll meet

cat ~/copilot/custom/instructions.md

One file, read every time, is the highest leverage thing you can set up. Open the task below for the full walkthrough.

TOPIC 02

Prompt Files & Tools

The saved prompts, and the tools you wire in for the jobs the assistant cannot guess.

What you'll practice

  • Save the Prompts You Reuse — practice · intermediate
  • Wire In a Tool for the Job — challenge · advanced

A command you'll meet

cat ~/copilot/custom/prompt-files.md

A prompt you type every week belongs in a file. Open the task below for the full walkthrough.