ClaudSkills / Science & Research / science-misc

Tooluniverse Expression Data Retrieval

Q: What is a Claude Code skill and how does the Tooluniverse Expression Data Retrieval 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. Tooluniverse Expression Data Retrieval 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: science-misc · Last updated: 2026-06-02

Retrieves gene expression and omics datasets from ArrayExpress and BioStudies with gene disambiguation, experiment quality assessment, and structured reports. Creates comprehensive dataset profiles with metadata, sample information, and download links. Use when users need expression data, omics datasets, or mention ArrayExpress (E-MTAB, E-GEOD) or BioStudies (S-BSST) accessions.

From the source SKILL.md

Retrieve gene expression experiments and multi-omics datasets with proper disambiguation and quality assessment.

What this skill does

Tooluniverse Expression Data Retrieval is a community-contributed Claude Code skill in the science-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/tooluniverse-expression-data-retrieval/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when users need expression data, omics datasets, or mention ArrayExpress (E-MTAB, E-GEOD) or BioStudies (S-BSST) accessions.

Who uses this skill

The Tooluniverse Expression Data Retrieval 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 116,000+ 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/tooluniverse-expression-data-retrieval
curl -L https://claudskills.com/skills/tooluniverse-expression-data-retrieval/SKILL.md \
  -o ~/.claude/skills/tooluniverse-expression-data-retrieval/SKILL.md

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

Skills live at ~/.claude/skills/tooluniverse-expression-data-retrieval/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\tooluniverse-expression-data-retrieval\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 Tooluniverse Expression Data Retrieval Claude Code skill?

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

What does the Tooluniverse Expression Data Retrieval 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 Tooluniverse Expression Data Retrieval skill?

Use Tooluniverse Expression Data Retrieval when your Claude Code task falls under the Science & Research category — specifically in the science misc 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 Tooluniverse Expression Data Retrieval" or describe the task and let Claude pick). Browse related skills at /category/science/.

What is a Claude Code skill and how does the Tooluniverse Expression Data Retrieval 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. Tooluniverse Expression Data Retrieval 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/bg-szy/TOP-SKILLS/blob/HEAD/skills/awesome-skills/tooluniverse-expression-data-retrieval/SKILL.md
Author: bg-szy
Website: https://bg-szy.github.io/TOP-SKILLS/

Cite this skill

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

APA

bg-szy. (2026). Tooluniverse Expression Data Retrieval [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/tooluniverse-expression-data-retrieval/

BibTeX

@misc{tooluniverse-expression-data-retrieval-2026,
  author    = {bg-szy},
  title     = {Tooluniverse Expression Data Retrieval [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/tooluniverse-expression-data-retrieval/}
}

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