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zinc-database

zinc-database is a skill for Claude Code from jimmc414/Kosmos. It costs 47 tokens per session (3,508 once invoked), scanned A, original, no licence file.

A database search tool for ZINC, a collection of purchasable chemical compounds used in drug discovery. It supports searches by compound ID or SMILES, similarity searches, 3D structures for docking, and virtual screening.

In plain words
What is it for?
Use it to locate compounds, find chemical analogues, retrieve docking-ready structures, and support virtual screening or drug-discovery work.
Why use it?
It helps researchers find suitable compounds and compare related molecules without manually searching the full compound collection.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the scientific-skills plugin — 119 skills shipped together

not rated 605repo +1 28d ago A scan 47 tokens no licence

Good fit Use it to locate compounds, find chemical analogues, retrieve docking-ready structures, and support virtual screening or drug-discovery work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jimmc414/kosmos/zinc-database
View source ↗ jimmc414/Kosmos
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add jimmc414/Kosmos --skill zinc-database
Clone the repo
git clone --depth 1 https://github.com/jimmc414/Kosmos

Made for: Claude Code.

Or install scientific-skills, the plugin that ships this one along with the rest of its 119 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for zinc-database

README.md
[![agentmods](https://agentmods.dev/badge/skills/jimmc414/kosmos/zinc-database/github.svg)](https://agentmods.dev/skills/jimmc414/kosmos/zinc-database)
Your own site
<a href="https://agentmods.dev/skills/jimmc414/kosmos/zinc-database"><img src="https://agentmods.dev/badge/skills/jimmc414/kosmos/zinc-database/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for zinc-database

Your own site · 80×15
<a href="https://agentmods.dev/skills/jimmc414/kosmos/zinc-database"><img src="https://agentmods.dev/badge/skills/jimmc414/kosmos/zinc-database.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,508 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00047 $0.03508
Opus 5.5 $0.00019 $0.01403
Sonnet 5.5 $0.00009 $0.00702
Haiku 4.5 $0.00005 $0.00351

Measured 2mo ago against content hash 498afb950360, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

zinc-database scanned grade A with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl "https://cartblanche22.docking.org/[email protected]_fields=smiles,zinc_id"

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

result = subprocess.run(['curl', url], capture_output=True, text=True)
kosmos-claude-scientific-skills/scientific-skills/zinc-database/SKILL.md · 399 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 399 lines · 47 tokens per session scan A 498afb950360

Subscribe to this mod's changes

zinc-database is a skill published in the GitHub repository jimmc414/Kosmos (605 stars, last pushed 28d ago), with no licence file. It adds 47 tokens to every session and 3,508 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 2 findings (makes network calls, runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

DatabasesScientific
Related

zinc-database compared with skills from other repositories

zinc-database next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
zinc-databasejimmc414/KosmosSkill60528d agononeA47Claude Code
tiledbvcfK-Dense-AI/scientific-agent-skillsSkill56k4d agoMITA62Claude Code, Codex
lamindbK-Dense-AI/scientific-agent-skillsSkill56k4d agoMITA58Claude Code, Codex
defining-cohort-phenotypesmaziyarpanahi/openmedSkill5.8kyesterdayApache-2.0A191Claude Code
benchling-integrationsynthetic-sciences/openscienceSkill4.3k2d agoApache-2.0A44Claude Code, Codex
chembl-databasegoogle-deepmind/science-skillsSkill3.4k14d agoApache-2.0A53Claude Code, Codex
nvalchemi-data-storageNVIDIA/nvalchemi-toolkitSkill204yesterdayApache-2.0A90Claude Code