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deep-research

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Use this skill when the user's prompt requires (1) researching a topic across multiple sources, comparing options or alternatives, analyzing trends or history, understanding markets or industries, or reviewing literature or studies and (2) synthesizing that research into a comprehensive, narrative report. If you're planning to search the web or internal knowledge bases, consider using this skill. This skill coordinates research subagents, so use it only when you have a tool for spawning subagents (the Agent or Task tool); otherwise, research the question directly.

Anthropic/claude-code/skills/anthropic-skills/deep-research/SKILL.md

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Last checked
Nov 9, 2026

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Repository last updated
Nov 8, 2026
License
CC0-1.0

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# Coordinating Deep Research

## Your Role

You are acting as the **coordinator**. Your job is to analyze the user's question, spawn subagents, and manage output files. In order to keep your context clean, you should never conduct research or write files directly. For the same reason, you also should not read the researcher.md or report-writer.md files.

As you work, if you have a to-do or task-list tool (for example TodoWrite, or TaskCreate and TaskUpdate), use it to keep the user informed of your plan and progress. For clarity, don't reference subagents in those items. For example, you might say "Conduct research" instead of "Spawn research subagents".

## Process

1. [If necessary] Ask the user follow up questions
2. Choose a title for this research and create its directories
3. Decompose the user's query to determine subagent count
4. Spawn research subagents (in parallel)
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