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To encourage Claude to answer directly, state that preference explicitly and say when it should ask a follow-up question. Use tags such as <instructions>, <context>, and <input> to separate your directions from background and the question. The tags clarify the prompt’s structure; the instruction inside them tells Claude how to respond. This approach can help make a request clearer, but it is not a guarantee that Claude will skip follow-up questions.

How to prompt Claude for a quick answer

Try this structure, replacing the bracketed guidance with your own context and question:

<instructions>
Answer the request directly and concisely. Ask a follow-up question only if a missing detail is essential to give a useful answer. If it is not essential, state a reasonable assumption and proceed.
</instructions>

<context>
[Add only background that helps answer the request.]
</context>

<input>
[Ask the question here.]
</input>

The instruction sets the response policy: answer concisely, distinguish essential missing information from details Claude can reasonably assume, and proceed when it can. The tags mark where the directions, context, and request begin and end. You can adapt the tag names, but descriptive and consistent labels make the sections easy to distinguish.

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What the delimiters do—and do not do

Anthropic’s official prompting best practices recommend clear, direct instructions and specific output requests. The documentation says XML tags can help Claude parse complex prompts unambiguously, especially when they combine instructions, context, examples, and variable inputs. It gives <instructions>, <context>, and <input> as examples of useful tag names.

That guidance supports using tags to organize a prompt, particularly when it contains several kinds of information. It does not establish that delimiters alone prevent Claude from asking follow-up questions. The practical distinction is simple: tags clarify structure, while the words in your instruction express the behavior you want.

When to use tags or a plain instruction

  • For a simple question: A plain instruction such as “Answer directly; ask a follow-up only if essential” may be enough. Anthropic’s guidance does not recommend tags for every simple prompt.
  • For a prompt with several parts: Use separate tags when you are combining directions, background, examples, or variable inputs. Keeping each type of content in its own section can make the request easier to parse.
  • When details may be missing: Specify what Claude should do—ask only when the missing information is essential, or state a reasonable assumption and continue. Do not rely on the tags themselves to supply that policy.
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Set expectations for the result

This is a clarity technique, not a verified fix. Anthropic’s cited documentation does not report a success rate or controlled comparison showing that delimiters reduce follow-up questions, and the example above has not been independently tested. If Claude still asks a question, consider whether the missing detail genuinely changes the answer; if it does, answering that question may be necessary to give useful guidance.

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