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Agent skill

Tooluniverse Chemical Compound Retrieval

by wu-yc in wu-yc/LabClaw

Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment.

No licenceAuto-check passedResearch & Science

Install Tooluniverse Chemical Compound Retrieval

skills CLI
$ npx skills add wu-yc/LabClaw --skill tooluniverse-chemical-compound-retrieval -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install wu-yc/LabClaw tooluniverse-chemical-compound-retrieval --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/wu-yc/LabClaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/pharma/tooluniverse-chemical-compound-retrieval .claude/skills/tooluniverse-chemical-compound-retrieval && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
tooluniverse-chemical-compound-retrieval
GitHub stars
1.1k
Used in
2 other repos
Token cost
~2.3k tokens
SKILL.md length
526 words
Files
1
Skills in repo
68
Repo updated
First seen
Licence
None found

At a glance

Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment.

  • Works in 4 steps: Clarification (When Needed) → Compound Disambiguation → Data Retrieval (Internal) → …
  • Users need chemical data
  • SKILL.md covers Workflow Overview, Phase 0: Clarification (When…, Phase 1: Compound Disambiguation and Phase 2: Data Retrieval…, plus 6 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Tooluniverse Chemical Compound Retrieval is an agent skill from wu-yc/LabClaw. Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment. Creates comprehensive compound profiles with identifiers, properties, bioactivity, and drug information. Use when users need chemical data, drug information, or mention PubChem CID, ChEMBL ID, SMILES, InChI, or compound names.

Its SKILL.md is about 2.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Research & Science, covering Drug discovery and cheminformatics. The repository describes itself as: LabClaw – Operating Layer for LabOS (Stanford-Princeton AI Co-Scientists).

When your agent uses it

  • Users need chemical data
  • Drug information
  • Mention PubChem CID

Example prompts

  • “Use the tooluniverse-chemical-compound-retrieval skill to retrieve chemical compound information from PubChem and ChEMBL with disambiguation…”
  • “/tooluniverse-chemical-compound-retrieval”

Requirements

  • Python 3

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Clarification (When Needed)
  2. Compound Disambiguation
  3. Data Retrieval (Internal)
  4. Report Compound Profile

What it can do on your machine

Read from SKILL.md and the folder at commit df37802. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are python and markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Tooluniverse Chemical Compound Retrieval loads about 2.3k tokens when it runs. Until then it costs about 99 tokens; SKILL.md has 526 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~99
When it runs · the whole SKILL.md, loaded when a task matches
~2.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 526 words (~2,301 tokens).

“Retrieve comprehensive chemical compound data with proper disambiguation and cross-database validation.”

— opening of SKILL.md by wu-yc
name
tooluniverse-chemical-compound-retrieval

Read the full SKILL.md on GitHub

Files

Just SKILL.md in skills/pharma/tooluniverse-chemical-compound-retrieval of wu-yc/LabClaw.

Open the folder on GitHubat commit df37802

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in wu-yc/LabClaw, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Tooluniverse Chemical Compound Retrieval next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Tooluniverse Chemical Compound Retrieval compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Tooluniverse Chemical Compound Retrieval this skillwu-yc/LabClaw1.1k2 repos~2.3kAutomated safety check: PassNone
MolecodeAtomFlow-AI/MoleCode306—~1.9kAutomated safety check: PassMIT
Drug DiscoveryTommy-yw/RunbookHermes5461 repos~2.3kAutomated safety check: PassMIT
DiffDock Molecular DockingK-Dense-AI/scientific-agent-skills48k1 repos~3kAutomated safety check: NotesMIT
Biomedical Analysis Dispatchxjtulyc/MedgeClaw6171 repos~2kAutomated safety check: PassNone
Biopipelineslocbp-uzh/biopipelines109—~2.4kAutomated safety check: PassMIT

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More from wu-yc/LabClaw

All 68 skills in this repo

  • Tooluniverse Clinical Guidelines

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  • Tooluniverse Expression Data Retrieval

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  • Tooluniverse Gene Enrichment

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Categories

Questions about Tooluniverse Chemical Compound Retrieval

What does Tooluniverse Chemical Compound Retrieval do?

Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment. Tooluniverse Chemical Compound Retrieval is an agent skill from wu-yc/LabClaw. Retrieves chemical compound information from PubChem and ChEMBL with disambiguation, cross-referencing, and quality assessment.

When should I use Tooluniverse Chemical Compound Retrieval?

Tooluniverse Chemical Compound Retrieval fits situations like: users need chemical data; drug information; mention PubChem CID.

How do I install Tooluniverse Chemical Compound Retrieval in Claude Code?

Run `npx skills add wu-yc/LabClaw --skill tooluniverse-chemical-compound-retrieval -a claude-code`. Or copy the skill folder (skills/pharma/tooluniverse-chemical-compound-retrieval in wu-yc/LabClaw) into .claude/skills/tooluniverse-chemical-compound-retrieval in your project. Claude Code loads it when a task matches its description.

How do I install Tooluniverse Chemical Compound Retrieval in Codex?

Run `npx skills add wu-yc/LabClaw --skill tooluniverse-chemical-compound-retrieval -a codex`. Or copy the skill folder (skills/pharma/tooluniverse-chemical-compound-retrieval in wu-yc/LabClaw) into .agents/skills/tooluniverse-chemical-compound-retrieval in your project. Codex loads it when a task matches its description.

Can I use Tooluniverse Chemical Compound Retrieval in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add wu-yc/LabClaw --skill tooluniverse-chemical-compound-retrieval -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/tooluniverse-chemical-compound-retrieval, .gemini/skills/tooluniverse-chemical-compound-retrieval, .github/skills/tooluniverse-chemical-compound-retrieval and .opencode/skills/tooluniverse-chemical-compound-retrieval in your project.

What does Tooluniverse Chemical Compound Retrieval need to run?

SKILL.md names no scripts, command-line tools or credentials: Tooluniverse Chemical Compound Retrieval is instructions for the agent only. Our summary lists: Python 3.

Does Tooluniverse Chemical Compound Retrieval access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Tooluniverse Chemical Compound Retrieval safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Tooluniverse Chemical Compound Retrieval use?

No licence was found for Tooluniverse Chemical Compound Retrieval or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Tooluniverse Chemical Compound Retrieval use?

About 2.3k tokens (SKILL.md is roughly 9.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Tooluniverse Chemical Compound Retrieval?

Skills that share tags, products or a category with Tooluniverse Chemical Compound Retrieval: Molecode (AtomFlow-AI/MoleCode, 306 stars), Drug Discovery (Tommy-yw/RunbookHermes, 546 stars), DiffDock Molecular Docking (K-Dense-AI/scientific-agent-skills, 48k stars) and Biomedical Analysis Dispatch (xjtulyc/MedgeClaw, 617 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tooluniverse Chemical Compound Retrieval?

wu-yc (a GitHub user) maintains it in wu-yc/LabClaw, which has 1,055 GitHub stars. The repository holds 68 skills in this directory. The repository was last updated on March 19, 2026.

Source: wu-yc/LabClaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.