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394394 Delegate research with `"use subagents to investigate X"`. They explore in a separate context, keeping your main conversation clean for implementation.
395395</Tip>
396396
397Since context is your fundamental constraint, subagents are one of the most powerful tools available. When Claude researches a codebase it reads lots of files, all of which consume your context. Subagents run in separate context windows and report back summaries:
397Since context is your fundamental constraint, use subagents to keep research out of it. When Claude researches a codebase it reads lots of files, all of which consume your context. Subagents run in separate context windows and report back summaries:
398398
399399```text wrap theme={null}
400400Use subagents to investigate how our authentication system handles token
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501501 ```
502502 </Step>
503503
504 <Step title="Test on a few files, then run at scale">
504 <Step title="Test on a few files, then run on all of them">
505505 Refine your prompt based on what goes wrong with the first 2-3 files, then run on the full set. The `--allowedTools` flag restricts what Claude can do, which matters when you're running unattended.
506506 </Step>
507507</Steps>