Agent skill

Vaadin Component Design

Design Vaadin UI components with proper lifecycle, data binding, and responsive layouts for CIA platform

Apache-2.0Auto-check passedFrontend & Design

Install Vaadin Component Design

skills CLI

$ npx skills add Hack23/cia --skill vaadin-component-design -a claude-code

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

GitHub CLI

$ gh skill install Hack23/cia vaadin-component-design --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/Hack23/cia.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/vaadin-component-design .claude/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .claude/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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/Hack23/cia/tree/master/.github/skills/vaadin-component-design

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 Hack23/cia --skill vaadin-component-design -a codex

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

GitHub CLI

$ gh skill install Hack23/cia vaadin-component-design --agent codex

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

Manual copy

$ git clone --depth 1 https://github.com/Hack23/cia.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.github/skills/vaadin-component-design .agents/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .agents/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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 Hack23/cia --skill vaadin-component-design -a cursor

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

GitHub CLI

$ gh skill install Hack23/cia vaadin-component-design --agent cursor

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

Manual copy

$ git clone --depth 1 https://github.com/Hack23/cia.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.github/skills/vaadin-component-design .cursor/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .cursor/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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/Hack23/cia.git --path .github/skills/vaadin-component-design

--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 Hack23/cia --skill vaadin-component-design -a gemini-cli

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

GitHub CLI

$ gh skill install Hack23/cia vaadin-component-design --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/Hack23/cia.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.github/skills/vaadin-component-design .gemini/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .gemini/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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 Hack23/cia vaadin-component-design

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 Hack23/cia --skill vaadin-component-design -a github-copilot

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

Manual copy

$ git clone --depth 1 https://github.com/Hack23/cia.git skills-src && mkdir -p .github/skills && cp -r skills-src/.github/skills/vaadin-component-design .github/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .github/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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 Hack23/cia --skill vaadin-component-design -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 Hack23/cia vaadin-component-design --agent opencode

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

Manual copy

$ git clone --depth 1 https://github.com/Hack23/cia.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.github/skills/vaadin-component-design .opencode/skills/vaadin-component-design && 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 "vaadin-component-design" agent skill from https://github.com/Hack23/cia/tree/master/.github/skills/vaadin-component-design into .opencode/skills/vaadin-component-design/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "vaadin-component-design", 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: vaadin-component-design
GitHub stars: 239
Token cost: ~619 tokens
SKILL.md length: 43 words
Files: 1
Skills in repo: 78
Repo updated: Oct 6, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Design Vaadin UI components with proper lifecycle, data binding, and responsive layouts for CIA platform

Tasks that involve Responsive design
SKILL.md covers Purpose, When to Use, Component Patterns and Data Binding, plus 1 more section
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Vaadin Component Design is an agent skill from Hack23/cia. Design Vaadin UI components with proper lifecycle, data binding, and responsive layouts for CIA platform

Its SKILL.md is about 620 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 Frontend & Design, covering Responsive design. The repository describes itself as: Citizen Intelligence Agency. Open-source intelligence platform analyzing Swedish political activities using AI and data visualization. Tracks politicians, government… The licence is Apache-2.0.

When your agent uses it

Tasks that involve Responsive design

Example prompts

“/vaadin-component-design”

What it can do on your machine

Read from SKILL.md and the folder at commit 6a9797b. 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 java).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
- vaadin.com
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

Vaadin Component Design loads about 619 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 43 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~32
When it runs · the whole SKILL.md, loaded when a task matches: ~619

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 Hack23/cia at commit 6a9797b, republished under its Apache-2.0 licence (© Hack23). 43 words, ~619 tokens.

Download SKILL.mdSave it as .claude/skills/vaadin-component-design/SKILL.md (or your agent's skills folder).

name: vaadin-component-design
description: Design Vaadin UI components with proper lifecycle, data binding, and responsive layouts for CIA platform
license: Apache-2.0

Vaadin Component Design Skill

Purpose

Create maintainable, responsive Vaadin UI components with proper lifecycle and data binding.

When to Use

✅ Creating new UI views
✅ Designing forms and data grids
✅ Implementing user interactions
✅ Building responsive layouts

Component Patterns

java

@SpringView(name = PoliticianView.NAME)
@Secured({"ROLE_USER", "ROLE_ADMIN"})
public class PoliticianView extends VerticalLayout implements View {
    public static final String NAME = "politicians";
    
    private final PoliticianService service;
    private final Grid<Politician> grid = new Grid<>(Politician.class);
    
    public PoliticianView(PoliticianService service) {
        this.service = service;
        setSizeFull();
        configureGrid();
        add(createToolbar(), grid);
        updateList();
    }
    
    private void configureGrid() {
        grid.setSizeFull();
        grid.setColumns("firstName", "lastName", "party", "district");
        grid.addColumn(p -> p.getVotingRecords().size())
            .setCaption("Total Votes");
        grid.getColumns().forEach(col -> col.setExpandRatio(1));
    }
    
    private Component createToolbar() {
        TextField searchField = new TextField();
        searchField.setPlaceholder("Search...");
        searchField.addValueChangeListener(e -> updateList());
        
        Button addButton = new Button("Add Politician");
        addButton.addClickListener(e -> addPolitician());
        
        return new HorizontalLayout(searchField, addButton);
    }
}

Data Binding

java

public class PoliticianForm extends FormLayout {
    TextField firstName = new TextField("First Name");
    TextField lastName = new TextField("Last Name");
    ComboBox<Party> party = new ComboBox<>("Party");
    
    Binder<Politician> binder = new Binder<>(Politician.class);
    
    public PoliticianForm() {
        binder.forField(firstName)
            .asRequired("First name is required")
            .withValidator(name -> name.length() >= 2, "Name too short")
            .bind(Politician::getFirstName, Politician::setFirstName);
        
        add(firstName, lastName, party);
    }
}

References

Vaadin: https://vaadin.com/docs
citizen-intelligence-agency/src/main/java/com/hack23/cia/web/

Files

Just SKILL.md in .github/skills/vaadin-component-design of Hack23/cia.

Open the folder on GitHubat commit 6a9797b

Compare with similar skills

Vaadin Component Design 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.

Vaadin Component Design compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Vaadin Component Design this skillHack23/cia	239	—	~619	Automated safety check: Pass	Apache-2.0	yesterday
UI StylingOhh-889/skyroc	795	13 repos	~2.5k	Automated safety check: Pass	MIT	1 mo ago
Material 3hamen/material-3-skill	1.5k	2 repos	~7.8k	Automated safety check: Pass	MIT	2 mo ago
Antislop Layoutmobilemiqdadbadjuber/anti-slop	4.6k	1 repos	~4.1k	Automated safety check: Pass	MIT	3 days ago
Trip Map Builderhiyeshu/trip-map-builder	242	—	~1.7k	Automated safety check: Pass	None	3 mo ago
Frontend Design Routercode-yeongyu/oh-my-openagent	70k	—	~5.3k	Automated safety check: Pass	Custom licence	today

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Questions about Vaadin Component Design

What does Vaadin Component Design do?

Design Vaadin UI components with proper lifecycle, data binding, and responsive layouts for CIA platform. Vaadin Component Design is an agent skill from Hack23/cia.

When should I use Vaadin Component Design?

Vaadin Component Design fits situations like: tasks that involve Responsive design.

How do I install Vaadin Component Design in Claude Code?

Run `npx skills add Hack23/cia --skill vaadin-component-design -a claude-code`. Or copy the skill folder (.github/skills/vaadin-component-design in Hack23/cia) into .claude/skills/vaadin-component-design in your project. Claude Code loads it when a task matches its description.

How do I install Vaadin Component Design in Codex?

Run `npx skills add Hack23/cia --skill vaadin-component-design -a codex`. Or copy the skill folder (.github/skills/vaadin-component-design in Hack23/cia) into .agents/skills/vaadin-component-design in your project. Codex loads it when a task matches its description.

Can I use Vaadin Component Design 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 Hack23/cia --skill vaadin-component-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/vaadin-component-design, .gemini/skills/vaadin-component-design, .github/skills/vaadin-component-design and .opencode/skills/vaadin-component-design in your project.

What does Vaadin Component Design need to run?

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

Does Vaadin Component Design access the network?

SKILL.md names 1 domain. As links in the text: vaadin.com. This is read from the text; nothing was executed.

Is Vaadin Component Design 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 Vaadin Component Design use?

Vaadin Component Design is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Vaadin Component Design use?

About 619 tokens (SKILL.md is roughly 2.5k 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 Vaadin Component Design?

Skills that share tags, products or a category with Vaadin Component Design: UI Styling (Ohh-889/skyroc, 795 stars), Material 3 (hamen/material-3-skill, 1.5k stars), Antislop Layoutmobile (miqdadbadjuber/anti-slop, 4.6k stars) and Trip Map Builder (hiyeshu/trip-map-builder, 242 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Vaadin Component Design?

Hack23 (a GitHub organization) maintains it in Hack23/cia, which has 239 GitHub stars. The repository holds 78 skills in this directory. The repository was last updated on October 6, 2026.

Source: Hack23/cia on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Vaadin Component Design

Install Vaadin Component Design

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Vaadin Component Design Skill

Purpose

When to Use

Component Patterns

Data Binding

References

Files

Compare with similar skills

Similar skills

UI Styling

Material 3

Antislop Layoutmobile

Trip Map Builder

Frontend Design Router

Local Testing

More from Hack23/cia

Accessibility Wcag Patterns

Advanced Data Visualization

AI Governance

API Integration

AWS Cloudwatch Monitoring

AWS Security Architecture

Questions about Vaadin Component Design

Install Vaadin Component Design

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Vaadin Component Design Skill

Purpose

When to Use

Component Patterns

Data Binding

References

Files

Compare with similar skills

Similar skills

More from Hack23/cia

Related

Questions about Vaadin Component Design