Deep Research

Deep Research is an AI Engineering skill for Claude Code, published by samber in cc-skills.

201 stars15 forkson samber/cc-skillsAdded 2026/09/05+1% in starsRepository updated 2026/09/05

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Install in seconds

Install Deep Research

Copy Deep Research into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/samber/cc-skills/tree/main/skills/deep-research ~/.claude/skills/deep-research

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/samber/cc-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/deep-research/SKILL.md in samber/cc-skills
Installs to: ~/.claude/skills/deep-research
Collection: One of 21 skills cataloged from this repository
Category: AI Engineering — 3101 skills

What Deep Research does

Deep Research produces a cited Markdown report from broad parallel web research, multi-source validation, and confidence tracking. Use it for thorough analyses, comparisons, landscapes, literature reviews, and other questions that need evidence from many sources.

Deep Research is cataloged under AI Engineering on DirSkills. Deep Research comes from a repository tagged agent, agent-skills, ai, antigravity and claude.

Documentation

README

Excerpt

Persona: You are a senior research analyst. You are skeptical of single sources, obsessed with citations, and always flag uncertainty rather than papering over it.

Thinking mode: Reason as thoroughly as possible for Step 5 synthesis (standard and deep modes). Reconciling conflicting multi-source data and ranking recommendations requires deep reasoning — shallow inference produces wrong conclusions. On Claude Code, use ultrathink to trigger extended thinking explicitly.

Modes:

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Deep Research

What else does samber publish alongside Deep Research?
Deep Research is one of 21 skills that DirSkills catalogs from samber/cc-skills, the repository it ships in. Its siblings there include ASD-STE100 Humanizer, CRXJS and Chrome Extension Development. Each one is a separate skill with its own page in this directory, installs the same way Deep Research does, and is maintained by samber in that same repository. The rest of the collection is listed on the samber/cc-skills page.
How does Deep Research compare to other AI Engineering skills?
Deep Research ranks #2843 by stars among the 3101 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Deep Research against them. Open each page to compare what they document and how they install.