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Agent skill

Scienceworld Mixture Creator

by zjunlp in zjunlp/SkillNet

This skill chemically mixes the contents of a container using the 'mix' action.

MITAuto-check passed

Install Scienceworld Mixture Creator

skills CLI
$ npx skills add zjunlp/SkillNet --skill scienceworld-mixture-creator -a claude-code

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

GitHub CLI
$ gh skill install zjunlp/SkillNet scienceworld-mixture-creator --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/zjunlp/SkillNet.git skills-src && mkdir -p .claude/skills && cp -r skills-src/experiments/src/skills/scienceworld/scienceworld-mixture-creator .claude/skills/scienceworld-mixture-creator && 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
scienceworld-mixture-creator
GitHub stars
1.4k
Token cost
~339 tokens
SKILL.md length
132 words
Files
2 (incl. references)
Skills in repo
122
Repo updated
First seen
Licence
MIT

At a glance

This skill chemically mixes the contents of a container using the 'mix' action.

  • Works in 3 steps: examine — verify all required… → mix — the environment processes the… → examine or focus on — confirm the…
  • All required ingredients (e.g.
  • SKILL.md covers When to Use, Procedure and Example
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Scienceworld Mixture Creator is an agent skill from zjunlp/SkillNet. This skill chemically mixes the contents of a container using the 'mix' action. Use when all required ingredients (e.g., sodium chloride and water) are present inside a container and the agent needs to combine them to produce a new substance. The skill performs the mixing operation and outputs the resulting product, completing the synthesis step of the task.

Its SKILL.md is about 340 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/common_recipes.md`).

The repository describes itself as: Create, Evaluate, and Connect AI Skills. The licence is MIT.

When your agent uses it

  • All required ingredients (e.g.
  • Sodium chloride and water) are present inside a container and the agent needs to combine them to produce a new substance

Example prompts

  • “/scienceworld-mixture-creator”

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. examine — verify all required ingredients are present.
  2. mix — the environment processes the chemistry and produces the result.
  3. examine or focus on — confirm the synthesis succeeded.

What it can do on your machine

Read from SKILL.md and the folder at commit c527136. 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.

    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

Scienceworld Mixture Creator loads about 339 tokens when it runs, and up to ~645 if it reads all its reference files. Until then it costs about 97 tokens; SKILL.md has 132 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~97
When it runs · the whole SKILL.md, loaded when a task matches
~339
With references · SKILL.md plus every file in references/, read only if the agent opens them
~645

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

The full file from zjunlp/SkillNet at commit c527136, republished under its MIT licence (© zjunlp). 132 words, ~339 tokens.

Download SKILL.mdSave it as .claude/skills/scienceworld-mixture-creator/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
scienceworld-mixture-creator
description
This skill chemically mixes the contents of a container using the 'mix' action. Use when all required ingredients (e.g., sodium chloride and water) are present inside a container and the agent needs to combine them to produce a new substance. The skill performs the mixing operation and outputs the resulting product, completing the synthesis step of the task.

Skill: Chemical Mixture Creator

When to Use

All required ingredients are confirmed inside a single container and you need to combine them into a new substance.

Procedure

  1. examine <CONTAINER> — verify all required ingredients are present.
  2. mix <CONTAINER> — the environment processes the chemistry and produces the result.
  3. examine <CONTAINER> or focus on <NEW_SUBSTANCE> — confirm the synthesis succeeded.

Do not mix unless the container holds the exact ingredients required by the recipe.

Example

Task: Create salt water by mixing sodium chloride and water.

  1. examine glass cup — observe: "containing water, sodium chloride"
  2. mix glass cup
  3. Expected result: the environment produces "salt water" inside the glass cup.
  4. focus on salt water to confirm the synthesis is complete.

For common chemical recipes (e.g., salt water = sodium chloride + water), see references/common_recipes.md.

© zjunlp, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in experiments/src/skills/scienceworld/scienceworld-mixture-creator of zjunlp/SkillNet.

  • SKILL.md
  • references/common_recipes.md

Open the folder on GitHubat commit c527136

Compare with similar skills

Scienceworld Mixture Creator 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.

Scienceworld Mixture Creator compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Scienceworld Mixture Creator this skillzjunlp/SkillNet1.4k—~339Automated safety check: PassMIT
Content Creatorsickn33/agentic-awesome-skills47k1 repos~2.5kAutomated safety check: PassMIT
Content Creatoralirezarezvani/claude-skills28k1 repos~713Automated safety check: PassMIT
Brand Voice Content Creatordavila7/claude-code-templates32k3 repos~1.9kAutomated safety check: PassMIT
Mixed Contentthedaviddias/Front-End-Checklist74k—~579Automated safety check: PassMIT
Persona Content Creatorgoogleworkspace/cli31k—~307Automated safety check: PassApache-2.0

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Questions about Scienceworld Mixture Creator

What does Scienceworld Mixture Creator do?

This skill chemically mixes the contents of a container using the 'mix' action. Scienceworld Mixture Creator is an agent skill from zjunlp/SkillNet. This skill chemically mixes the contents of a container using the 'mix' action.

When should I use Scienceworld Mixture Creator?

Scienceworld Mixture Creator fits situations like: all required ingredients (e.g; sodium chloride and water) are present inside a container and the agent needs to combine them to produce a new substance.

How do I install Scienceworld Mixture Creator in Claude Code?

Run `npx skills add zjunlp/SkillNet --skill scienceworld-mixture-creator -a claude-code`. Or copy the skill folder (experiments/src/skills/scienceworld/scienceworld-mixture-creator in zjunlp/SkillNet) into .claude/skills/scienceworld-mixture-creator in your project. Claude Code loads it when a task matches its description.

How do I install Scienceworld Mixture Creator in Codex?

Run `npx skills add zjunlp/SkillNet --skill scienceworld-mixture-creator -a codex`. Or copy the skill folder (experiments/src/skills/scienceworld/scienceworld-mixture-creator in zjunlp/SkillNet) into .agents/skills/scienceworld-mixture-creator in your project. Codex loads it when a task matches its description.

Can I use Scienceworld Mixture Creator 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 zjunlp/SkillNet --skill scienceworld-mixture-creator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/scienceworld-mixture-creator, .gemini/skills/scienceworld-mixture-creator, .github/skills/scienceworld-mixture-creator and .opencode/skills/scienceworld-mixture-creator in your project.

What does Scienceworld Mixture Creator need to run?

SKILL.md names no scripts, command-line tools or credentials: Scienceworld Mixture Creator is instructions for the agent only.

Does Scienceworld Mixture Creator 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 Scienceworld Mixture Creator 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 Scienceworld Mixture Creator use?

Scienceworld Mixture Creator is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Scienceworld Mixture Creator use?

About 339 tokens (SKILL.md is roughly 1.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 306 tokens, read only when the agent opens those files.

What are the alternatives to Scienceworld Mixture Creator?

Skills that share tags, products or a category with Scienceworld Mixture Creator: Content Creator (sickn33/agentic-awesome-skills, 47k stars), Content Creator (alirezarezvani/claude-skills, 28k stars), Brand Voice Content Creator (davila7/claude-code-templates, 32k stars) and Mixed Content (thedaviddias/Front-End-Checklist, 74k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Scienceworld Mixture Creator?

zjunlp (a GitHub organization) maintains it in zjunlp/SkillNet, which has 1,394 GitHub stars. The repository holds 122 skills in this directory. The repository was last updated on October 9, 2026.

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