JSON

A text format for data and settings, with curly braces and “name”: value pairs. Claude’s settings files are in JSON.

How it appears in the course

Claude Code’s settings files are in JSON format. JSON is a standard way of writing information as “name: value” pairs, so that a program can read it without mistakes.
What is a settings file? · Module 03, Permissions: what Claude may do
Settings live in JSON files: braces for groups, quotation marks for text, square brackets for lists.
Key takeaways · Module 03, Permissions: what Claude may do
The format is JSON: a kind of organized list, with curly braces { }, square brackets [ ] and “name”: “value” pairs.
Where do you write a hook? · Module 07, Hooks: automatic actions

Where you learn it

In module 03 · Permissions: what Claude may do, in the Claude Code for Beginners course.

Related terms

Learn Claude Code from zero, in plain English

12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.