Agent skill

Microsim Generator

Creates interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly, Mermaid, vis-network, vis-timeline, Leaflet, Venn.js).

No licenceAuto-check passedData & Analytics

Install Microsim Generator

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a claude-code

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

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator --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/ynulihao/AgentSkillOS.git skills-src && mkdir -p .claude/skills && cp -r skills-src/data/skill_seeds/microsim-generator .claude/skills/microsim-generator && 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/

Paste into Claude Code

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .claude/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ynulihao/AgentSkillOS.git skills-src && mkdir -p .agents/skills && cp -r skills-src/data/skill_seeds/microsim-generator .agents/skills/microsim-generator && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .agents/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ynulihao/AgentSkillOS.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/data/skill_seeds/microsim-generator .cursor/skills/microsim-generator && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .cursor/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/ynulihao/AgentSkillOS.git --path data/skill_seeds/microsim-generator

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ynulihao/AgentSkillOS.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/data/skill_seeds/microsim-generator .gemini/skills/microsim-generator && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .gemini/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/ynulihao/AgentSkillOS.git skills-src && mkdir -p .github/skills && cp -r skills-src/data/skill_seeds/microsim-generator .github/skills/microsim-generator && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .github/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install ynulihao/AgentSkillOS microsim-generator --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ynulihao/AgentSkillOS.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/data/skill_seeds/microsim-generator .opencode/skills/microsim-generator && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "microsim-generator" agent skill from https://github.com/ynulihao/AgentSkillOS/tree/main/data/skill_seeds/microsim-generator into .opencode/skills/microsim-generator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "microsim-generator", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: microsim-generator
GitHub stars: 617
Token cost: ~2.1k tokens
SKILL.md length: 661 words
Files: 1
Skills in repo: 26
Repo updated: Mar 7, 2026
First seen: Oct 7, 2026
Licence: None found

At a glance

Creates interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly, Mermaid, vis-network, vis-timeline, Leaflet, Venn.js).

Works in 3 steps: Analyze Request and Match Generator → Load the Matched Guide → Execute Generator Workflow
Tasks that involve Diagrams
SKILL.md covers Overview, When to Use This Skill, Step 1: Analyze Request and… and Step 2: Load the Matched Guide, plus 7 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Microsim Generator is an agent skill from ynulihao/AgentSkillOS. Creates interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly, Mermaid, vis-network, vis-timeline, Leaflet, Venn.js). Analyzes user requirements to route to the appropriate visualization type and generates complete MicroSim packages with HTML, JavaScript, CSS, documentation, and metadata.

Its SKILL.md is about 2.1k 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 Data & Analytics, covering Diagrams, Data visualization and Generative and creative coding. It works with Chart.js, Mermaid, Plotly and JavaScript. The repository describes itself as: Build your agent from 200,000+ skills via skill RETRIEVAL & ORCHESTRATION.

When your agent uses it

Tasks that involve Diagrams
Tasks that involve Data visualization
Tasks that involve Generative and creative coding

Example prompts

“Use the microsim-generator skill to create interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly…”
“/microsim-generator”

Workflow steps

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

Analyze Request and Match Generator
Load the Matched Guide
Execute Generator Workflow

What it can do on your machine

Read from SKILL.md and the folder at commit c3cfae1. 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 yaml).
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

Microsim Generator loads about 2.1k tokens when it runs. Until then it costs about 89 tokens; SKILL.md has 661 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~89
When it runs · the whole SKILL.md, loaded when a task matches: ~2.1k

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 661 words (~2,061 tokens).

“This meta-skill routes MicroSim creation requests to the appropriate specialized generator based on visualization requirements. It consolidates 13 individual MicroSim generator skills into a single entry point with on-demand loading of specific implementation guides.”

— opening of SKILL.md by ynulihao

name: microsim-generator

Read the full SKILL.md on GitHub

Files

Just SKILL.md in data/skill_seeds/microsim-generator of ynulihao/AgentSkillOS.

Open the folder on GitHubat commit c3cfae1

Compare with similar skills

Microsim Generator 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.

Microsim Generator compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Microsim Generator this skillynulihao/AgentSkillOS	617	—	~2.1k	Automated safety check: Pass	None	7 mo ago
Microsim Generatordmccreary/ibook-skills	105	—	~11k	Automated safety check: Pass	None	2 days ago
Openai Dotcom Vizyzlnew/infra-skills	149	—	~1.3k	Automated safety check: Pass	None	3 mo ago
Claude D3js Skillaiskillstore/marketplace	430	4 repos	~5.4k	Automated safety check: Pass	None	today
Diagram Designcathrynlavery/diagram-design	44k	1 repos	~7.5k	Automated safety check: Pass	MIT	yesterday
D3 Vizcalesthio/OpenMontage	65k	3 repos	~5.4k	Automated safety check: Pass	AGPL-3.0	4 days ago

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Questions about Microsim Generator

What does Microsim Generator do?

Creates interactive educational MicroSims using the best-matched JavaScript library (p5.js, Chart.js, Plotly, Mermaid, vis-network, vis-timeline, Leaflet, Venn.js). Microsim Generator is an agent skill from ynulihao/AgentSkillOS.js).

When should I use Microsim Generator?

Microsim Generator fits situations like: tasks that involve Diagrams; tasks that involve Data visualization; tasks that involve Generative and creative coding.

How do I install Microsim Generator in Claude Code?

Run `npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a claude-code`. Or copy the skill folder (data/skill_seeds/microsim-generator in ynulihao/AgentSkillOS) into .claude/skills/microsim-generator in your project. Claude Code loads it when a task matches its description.

How do I install Microsim Generator in Codex?

Run `npx skills add ynulihao/AgentSkillOS --skill microsim-generator -a codex`. Or copy the skill folder (data/skill_seeds/microsim-generator in ynulihao/AgentSkillOS) into .agents/skills/microsim-generator in your project. Codex loads it when a task matches its description.

Can I use Microsim Generator 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 ynulihao/AgentSkillOS --skill microsim-generator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/microsim-generator, .gemini/skills/microsim-generator, .github/skills/microsim-generator and .opencode/skills/microsim-generator in your project.

What does Microsim Generator need to run?

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

Does Microsim Generator 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 Microsim Generator 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 Microsim Generator use?

No licence was found for Microsim Generator or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Microsim Generator use?

About 2.1k tokens (SKILL.md is roughly 8.2k 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 Microsim Generator?

Skills that share tags, products or a category with Microsim Generator: Microsim Generator (dmccreary/ibook-skills, 105 stars), Openai Dotcom Viz (yzlnew/infra-skills, 149 stars), Claude D3js Skill (aiskillstore/marketplace, 430 stars) and Diagram Design (cathrynlavery/diagram-design, 44k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Microsim Generator?

ynulihao (a GitHub user) maintains it in ynulihao/AgentSkillOS, which has 617 GitHub stars. The repository holds 26 skills in this directory. The repository was last updated on March 7, 2026.

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

Microsim Generator

Install Microsim Generator

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Files

Compare with similar skills

Similar skills