ClaudSkills / Science & Research / research-methods

C1

Q: What is a Claude Code skill and how does the C1 skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. C1 is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Science & Research · Sub-category: research-methods · Last updated: 2026-05-28

VS-Enhanced Quantitative Design Consultant with Materials & Sampling Enhanced VS 3-Phase process: Avoids obvious experimental designs, proposes context-optimal quantitative strategies Absorbed C4 (Experimental Materials Developer) and D1 (Sampling Strategy Advisor) capabilities Use when: selecting quantitative research design, planning experimental/survey methodology, power analysis, developing materials, sampling Triggers: RCT, quasi-experimental, experimental design, survey design, power analysis, sample size, factorial design, materials, stimuli, sampling strategy

About this skill (catalog notes)

C1 includes pricing or quota commentary; 23 code blocks for direct copy-paste. At roughly 4,395 words the SKILL.md is on the longer end of the catalog distribution.

Source: copaper.ai
Original author: brycewang-stanford
Indexed lastmod: 2026-05-28
Catalog position: Science & Research · research-methods
Indexed related skills: 10

How C1 fits the catalog

C1 sits in the Science & Research category under the research-methods sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

C1 is a community-contributed Claude Code skill in the research-methods sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/c1/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The C1 Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 93,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/c1
curl -L https://claudskills.com/skills/c1/SKILL.md \
  -o ~/.claude/skills/c1/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/c1/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/c1/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\c1\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the C1 Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/c1/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the C1 skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the C1 skill?

Use C1 when your Claude Code task falls under the Science & Research category — specifically in the research methods area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use C1" or describe the task and let Claude pick). Browse related skills at /category/science/.

What is a Claude Code skill and how does the C1 skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. C1 is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/brycewang-stanford/Auto-Empirical-Research-Skills/blob/HEAD/skills/25-HosungYou-Diverga/skills/c1/SKILL.md
Author: brycewang-stanford
Website: https://copaper.ai

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

brycewang-stanford. (2026). C1 [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/c1/

BibTeX

@misc{c1-2026,
  author    = {brycewang-stanford},
  title     = {C1 [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/c1/}
}

Embed this skill

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Badge

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More Science & Research skills

Browse all Science & Research skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Science & Research skills → Top 100 skills

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C1