The short version
Claude is a valuable second brain when the task needs concentration rather than speed: a long brief, a sensitive client message, a policy draft or a plan with real trade-offs.
It is strongest when you give it the full context and ask it to examine the work, not merely produce more words.
What it is good at
Claude is particularly effective for long source material, structured thinking and editing where tone matters as much as accuracy.
It works well as a second point of view: give it the original context, ask it to find gaps, then compare its answer with your own judgment.
Where it earns its place
Use it for:
- working through long documents and project specifications;
- turning rough notes into clear business writing;
- identifying assumptions, risks and missing information;
- creating first drafts that need a restrained, natural voice;
- reviewing a plan before it becomes execution.
A practical starting setup
- Put the original brief, source documents and non-negotiables in one conversation or project.
- Ask for a short summary of the real decision before requesting a draft.
- Ask it to name missing evidence, assumptions and possible objections.
- Make the final call against the original source material, not against the most elegant wording.
The H² rule
Use two models when the decision has consequences.
Different reasoning styles uncover different blind spots. The goal is not to collect answers — it is to make the final decision stronger.