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Claude Code Guides

The official Claude Code documentation answers what a thing is. These guides answer why it isn’t working on your machine, in your repo, with your stack.

That is the whole editorial rule. Every guide opens on a symptom someone actually typed into a search box, walks the diagnosis in order, and ends with something you can keep.

The first wave. High-intent, evergreen, and every one of them ends in a file you can drop into a project.

Nothing works

Claude Code is behaving badly and you don’t know which layer is at fault. Diagnose by symptom instead of guessing.

Diagnose by symptom →

Config ignored

You edited a settings file and nothing changed. Almost always precedence — another file is winning.

Find the file that wins →

settings.json

The settings file that earns its place in a real repo, grouped by what each field actually changes.

Read the walkthrough →

Each one follows the same shape, because the shape is what makes them useful under pressure:

  1. The symptom — stated the way you would describe it out loud.
  2. What is actually happening — the mechanism, briefly.
  3. The diagnosis — ordered steps, cheapest check first.
  4. Common mistakes — the wrong turns that cost people an afternoon.
  5. A checklist — the part you keep.