Matplotlib
zLanqing/codex-claude-academic-skills
Low-level plotting library for full customization. An agent skill from zLanqing/codex-claude-academic-skills.
Generate guardrailed UI from natural language. An agent skill from oaustegard/claude-skills.
Install JSON Render UI
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install oaustegard/claude-skills json-render-ui --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/json-render-ui .claude/skills/json-render-ui && rm -rf skills-srcUse ~/.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/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .claude/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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 install https://github.com/oaustegard/claude-skills/tree/main/json-render-uiType 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.
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install oaustegard/claude-skills json-render-ui --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/json-render-ui .agents/skills/json-render-ui && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .agents/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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.
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install oaustegard/claude-skills json-render-ui --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/json-render-ui .cursor/skills/json-render-ui && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .cursor/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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 https://github.com/oaustegard/claude-skills.git --path json-render-ui--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install oaustegard/claude-skills json-render-ui --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/json-render-ui .gemini/skills/json-render-ui && rm -rf skills-srcUse ~/.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/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .gemini/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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.
$ gh skill install oaustegard/claude-skills json-render-uiInstalls 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).
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/json-render-ui .github/skills/json-render-ui && rm -rf skills-srcUse ~/.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/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .github/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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.
$ npx skills add oaustegard/claude-skills --skill json-render-ui -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install oaustegard/claude-skills json-render-ui --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oaustegard/claude-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/json-render-ui .opencode/skills/json-render-ui && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "json-render-ui" agent skill from https://github.com/oaustegard/claude-skills/tree/main/json-render-ui into .opencode/skills/json-render-ui/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "json-render-ui", 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
json-render-ui- GitHub stars
- 150
- Token cost
- ~2k tokens
- SKILL.md length
- 423 words
- Files
- 5 (incl. references, assets)
- Skills in repo
- 93
- Repo updated
- First seen
- Licence
- MIT
At a glance
Generate guardrailed UI from natural language. An agent skill from oaustegard/claude-skills.
- Works in 2 steps: Emit UITree JSON → Create Artifact
- The request is for a dashboard with metrics
- SKILL.md covers Overview, Output Format, Component Catalog and Data Binding, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
JSON Render UI is an agent skill from oaustegard/claude-skills. Generate guardrailed UI from natural language. Emits constrained JSON that a Preact runtime renders. Use when the request is for a dashboard with metrics, charts, or tables; an admin panel; a data visualization interface; or a form-based application.
Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files and assets (for example `README.md`, `assets/catalog.json` and `references/uitree-format.md`).
It sits in Data & Analytics, covering Data visualization. It works with Preact. The repository describes itself as: My collection of Claude skills. The licence is MIT.
When your agent uses it
- The request is for a dashboard with metrics
- A data visualization interface
- A form-based application
Example prompts
- “/json-render-ui”
Workflow steps
2 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 559a6cd. 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 json).
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
JSON Render UI loads about 2k tokens when it runs, and up to ~3.1k if it reads all its reference files. Until then it costs about 66 tokens; SKILL.md has 423 words of instructions outside code blocks.
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 oaustegard/claude-skills at commit 559a6cd, republished under its MIT licence (© oaustegard). 423 words, ~1,951 tokens.
Download SKILL.mdSave it as
.claude/skills/json-render-ui/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.- name
- json-render-ui
- description
- Generate guardrailed UI from natural language. Emits constrained JSON that a Preact runtime renders. Use when the request is for a dashboard with metrics, charts, or tables; an admin panel; a data visualization interface; or a form-based application.
- metadata.version
- 0.0.2
JSON Render UI
Overview
Transform natural language UI requests into working dashboards and applications. Claude acts as the translation layer (prompt → JSON), the skill provides the rendering runtime (JSON → UI).
Architecture:
User prompt → Claude (constrained by catalog) → UITree JSON → Preact renderer → UIOutput Format
Claude emits a UITree structure:
{
"root": "main",
"elements": {
"main": {
"key": "main",
"type": "Grid",
"props": { "columns": 2, "gap": "md" },
"children": ["metric1", "metric2"]
},
"metric1": {
"key": "metric1",
"type": "Metric",
"props": {
"label": "Revenue",
"valuePath": "/revenue",
"format": "currency"
}
},
"metric2": {
"key": "metric2",
"type": "Metric",
"props": {
"label": "Growth",
"valuePath": "/growth",
"format": "percent"
}
}
},
"data": {
"revenue": 125000,
"growth": 0.15
}
}Component Catalog
Claude can ONLY use these components. This is the guardrail.
Layout Components
| Component | Props | Children | Description |
|---|---|---|---|
Card | title?, description?, padding?: sm|md|lg | Yes | Container with optional header |
Grid | columns?: 1-4, gap?: sm|md|lg | Yes | CSS grid layout |
Stack | direction?: horizontal|vertical, gap?: sm|md|lg, align?: start|center|end|stretch | Yes | Flexbox stack |
Data Display
| Component | Props | Children | Description |
|---|---|---|---|
Metric | label, valuePath, format?: number|currency|percent, trend?: up|down|neutral, trendValue? | No | Single KPI display |
Chart | type: bar|line|pie|area, dataPath, title?, height? | No | Data visualization |
Table | dataPath, columns: [{key, label, format?: text|currency|date|badge}] | No | Tabular data |
List | dataPath, emptyMessage? | Yes | Rendered list from array |
Interactive
| Component | Props | Children | Description |
|---|---|---|---|
Button | label, action, variant?: primary|secondary|danger|ghost, size?: sm|md|lg, disabled? | No | Clickable action |
Select | label?, bindPath, options: [{value, label}], placeholder? | No | Dropdown select |
DatePicker | label?, bindPath, placeholder? | No | Date input |
Typography
| Component | Props | Children | Description |
|---|---|---|---|
Heading | text, level?: h1|h2|h3|h4 | No | Section heading |
Text | content, variant?: body|caption|label, color?: default|muted|success|warning|danger | No | Text paragraph |
Status
| Component | Props | Children | Description |
|---|---|---|---|
Badge | text, variant?: default|success|warning|danger|info | No | Status indicator |
Alert | type: info|success|warning|error, title, message?, dismissible? | No | Notification banner |
Special
| Component | Props | Children | Description |
|---|---|---|---|
Divider | label? | No | Visual separator |
Empty | title, description?, action?, actionLabel? | No | Empty state |
Data Binding
Props ending in Path (e.g., valuePath, dataPath, bindPath) reference the data model using JSON Pointer syntax:
/revenue→data.revenue/users/0/name→data.users[0].name/filters/dateRange→data.filters.dateRange
Show full SKILL.md (176 more words)Show less
Visibility Conditions
Any element can have a visible property:
{
"type": "Alert",
"props": { "type": "error", "title": "Error" },
"visible": { "path": "/hasError" }
}Visibility expressions:
true/false— Static{ "path": "/some/path" }— Truthy check{ "and": [...] }— All conditions true{ "or": [...] }— Any condition true{ "not": {...} }— Negation{ "eq": [a, b] }— Equality
Generating Output
Step 1: Emit UITree JSON
Analyze the user's request and emit a UITree structure. Include sample data that matches the schema.
Step 2: Create Artifact
Create an HTML artifact that:
- Embeds the UITree JSON
- Renders the UI
Start from assets/template.html, which already carries the embedded renderer —
there is no separate renderer.js to inline.
Constraints
DO:
- Use only catalog components
- Provide realistic sample data
- Use semantic component choices (Metric for KPIs, Table for tabular data)
- Keep trees flat (no deep nesting beyond 3 levels)
DO NOT:
- Invent new component types
- Use arbitrary HTML/CSS
- Omit required props
- Create deeply nested structures
Example
User: "Create a sales dashboard with revenue, orders, and a chart showing monthly trends"
Claude outputs:
{
"root": "dashboard",
"elements": {
"dashboard": {
"key": "dashboard",
"type": "Stack",
"props": { "direction": "vertical", "gap": "lg" },
"children": ["header", "metrics", "chartCard"]
},
"header": {
"key": "header",
"type": "Heading",
"props": { "text": "Sales Dashboard", "level": "h1" }
},
"metrics": {
"key": "metrics",
"type": "Grid",
"props": { "columns": 3, "gap": "md" },
"children": ["revenue", "orders", "avgOrder"]
},
"revenue": {
"key": "revenue",
"type": "Card",
"props": { "padding": "md" },
"children": ["revenueMetric"]
},
"revenueMetric": {
"key": "revenueMetric",
"type": "Metric",
"props": {
"label": "Total Revenue",
"valuePath": "/revenue",
"format": "currency",
"trend": "up",
"trendValue": "12%"
}
},
"orders": {
"key": "orders",
"type": "Card",
"props": { "padding": "md" },
"children": ["ordersMetric"]
},
"ordersMetric": {
"key": "ordersMetric",
"type": "Metric",
"props": {
"label": "Orders",
"valuePath": "/orders",
"format": "number"
}
},
"avgOrder": {
"key": "avgOrder",
"type": "Card",
"props": { "padding": "md" },
"children": ["avgMetric"]
},
"avgMetric": {
"key": "avgMetric",
"type": "Metric",
"props": {
"label": "Avg Order Value",
"valuePath": "/avgOrderValue",
"format": "currency"
}
},
"chartCard": {
"key": "chartCard",
"type": "Card",
"props": { "title": "Monthly Trends", "padding": "md" },
"children": ["chart"]
},
"chart": {
"key": "chart",
"type": "Chart",
"props": {
"type": "line",
"dataPath": "/monthlyData",
"height": 300
}
}
},
"data": {
"revenue": 284500,
"orders": 1247,
"avgOrderValue": 228,
"monthlyData": [
{ "month": "Jan", "value": 18000 },
{ "month": "Feb", "value": 22000 },
{ "month": "Mar", "value": 28000 },
{ "month": "Apr", "value": 24000 },
{ "month": "May", "value": 32000 }
]
}
}Then wrap in the artifact template from assets/template.html.
Files
assets/template.html— Complete artifact template with embedded rendererassets/catalog.json— Machine-readable component schemasreferences/uitree-format.md— Detailed UITree specification
© oaustegard, 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 4 other files (references, assets) in json-render-ui of oaustegard/claude-skills.
- SKILL.md
- README.md
- assets/catalog.json
- assets/template.html
- references/uitree-format.md
Open the folder on GitHubat commit 559a6cd
Compare with similar skills
JSON Render UI 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| JSON Render UI this skilloaustegard/claude-skills | 150 | — | ~2k | Automated safety check: Pass | MIT | |
| MatplotlibzLanqing/codex-claude-academic-skills | 4.6k | 17 repos | ~2.9k | Automated safety check: Pass | MIT | |
| Chart Visualizationbytedance/deer-flow | 83k | 2 repos | ~840 | Automated safety check: Pass | MIT | |
| Scientific Visualizationmims-harvard/OptimusKG | 146 | 19 repos | ~6.3k | Automated safety check: Pass | MIT | |
| SeabornzLanqing/codex-claude-academic-skills | 4.6k | 16 repos | ~4.9k | Automated safety check: Pass | BSD-3-Clause | |
| Plot From DataTrae1ounG/paper-plot-skills | 861 | 1 repos | ~583 | Automated safety check: Pass | None |
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Create publication figures with matplotlib/seaborn/plotly. An agent skill from mims-harvard/OptimusKG.
Seaborn
zLanqing/codex-claude-academic-skills
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Related
Works with
Categories
Questions about JSON Render UI
What does JSON Render UI do?
Generate guardrailed UI from natural language. An agent skill from oaustegard/claude-skills. JSON Render UI is an agent skill from oaustegard/claude-skills. Generate guardrailed UI from natural language.
When should I use JSON Render UI?
JSON Render UI fits situations like: the request is for a dashboard with metrics; A data visualization interface; A form-based application.
How do I install JSON Render UI in Claude Code?
Run `npx skills add oaustegard/claude-skills --skill json-render-ui -a claude-code`. Or copy the skill folder (json-render-ui in oaustegard/claude-skills) into .claude/skills/json-render-ui in your project. Claude Code loads it when a task matches its description.
How do I install JSON Render UI in Codex?
Run `npx skills add oaustegard/claude-skills --skill json-render-ui -a codex`. Or copy the skill folder (json-render-ui in oaustegard/claude-skills) into .agents/skills/json-render-ui in your project. Codex loads it when a task matches its description.
Can I use JSON Render UI 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 oaustegard/claude-skills --skill json-render-ui -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/json-render-ui, .gemini/skills/json-render-ui, .github/skills/json-render-ui and .opencode/skills/json-render-ui in your project.
What does JSON Render UI need to run?
SKILL.md names no scripts, command-line tools or credentials: JSON Render UI is instructions for the agent only.
Does JSON Render UI 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 JSON Render UI 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 JSON Render UI use?
JSON Render UI 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 JSON Render UI use?
About 2k tokens (SKILL.md is roughly 7.8k 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 1.2k tokens, read only when the agent opens those files.
What are the alternatives to JSON Render UI?
Skills that share tags, products or a category with JSON Render UI: Matplotlib (zLanqing/codex-claude-academic-skills, 4.6k stars), Chart Visualization (bytedance/deer-flow, 83k stars), Scientific Visualization (mims-harvard/OptimusKG, 146 stars) and Seaborn (zLanqing/codex-claude-academic-skills, 4.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains JSON Render UI?
oaustegard (a GitHub user) maintains it in oaustegard/claude-skills, which has 150 GitHub stars. The repository holds 93 skills in this directory. The repository was last updated on October 2, 2026.
Source: oaustegard/claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.