Audit UI Thread Safety
flutter/flutter-intellij
Prevent UI freezes and ensure a responsive user experience by validating threading rules and migrating blocking calls off the Event Dispatch Thread (EDT).
Web and App implementation guide for Flat Design 2.0 (Semi-Flat).
$ npx skills add sickn33/agentic-awesome-skills --skill flat-design-2 -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sickn33/agentic-awesome-skills flat-design-2 --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/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/design-it/flat-design-2 .claude/skills/flat-design-2 && 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 "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .claude/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2Type 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 sickn33/agentic-awesome-skills --skill flat-design-2 -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sickn33/agentic-awesome-skills flat-design-2 --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/design-it/flat-design-2 .agents/skills/flat-design-2 && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .agents/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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 sickn33/agentic-awesome-skills --skill flat-design-2 -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sickn33/agentic-awesome-skills flat-design-2 --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/design-it/flat-design-2 .cursor/skills/flat-design-2 && 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 "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .cursor/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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/sickn33/agentic-awesome-skills.git --path skills/design-it/flat-design-2--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 sickn33/agentic-awesome-skills --skill flat-design-2 -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sickn33/agentic-awesome-skills flat-design-2 --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/design-it/flat-design-2 .gemini/skills/flat-design-2 && 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 "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .gemini/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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 sickn33/agentic-awesome-skills flat-design-2Installs 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 sickn33/agentic-awesome-skills --skill flat-design-2 -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/design-it/flat-design-2 .github/skills/flat-design-2 && 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 "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .github/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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 sickn33/agentic-awesome-skills --skill flat-design-2 -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sickn33/agentic-awesome-skills flat-design-2 --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/design-it/flat-design-2 .opencode/skills/flat-design-2 && 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 "flat-design-2" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/design-it/flat-design-2 into .opencode/skills/flat-design-2/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "flat-design-2", 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.
flat-design-2Web and App implementation guide for Flat Design 2.0 (Semi-Flat).
Flat Design 2 is an agent skill from sickn33/agentic-awesome-skills. Web and App implementation guide for Flat Design 2.0 (Semi-Flat). Trigger when the user wants flat design with subtle shadows and improved usability.
Its SKILL.md is about 2.2k 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 Mobile, covering UX design. The repository describes itself as: AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,400+ agentic skills. Includes… The licence is MIT.
3 steps, taken from the first numbered list in SKILL.md.
Read from SKILL.md and the folder at commit ec02547. It shows what the files ask for, not the result of running them.
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.
No scripts in the folder and no shell commands in SKILL.md (its code samples are css, swift, dart, javascript and kotlin).
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Flat Design 2 loads about 2.2k tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 323 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.
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.
The full file from sickn33/agentic-awesome-skills at commit ec02547, republished under its MIT licence (© sickn33). 323 words, ~2,151 tokens.
.claude/skills/flat-design-2/SKILL.md (or your agent's skills folder)."Flat aesthetics, but with subtle hints of physics to communicate interactability."
Use this sub-style when the user's request matches the aesthetic described above. This is a child reference of the design-it skill and is not meant to be triggered directly.
:root {
--shadow-color: rgba(43, 48, 58, 0.08); /* Tinted shadow */
}
.flat2-card {
background-color: var(--bg-primary);
border-radius: 8px;
padding: 32px;
/* Very subtle, diffuse shadow */
box-shadow: 0 10px 30px var(--shadow-color);
transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.flat2-card:hover {
transform: translateY(-4px);
box-shadow: 0 20px 40px rgba(43, 48, 58, 0.12);
}
.flat2-btn {
background: var(--cta-highlight);
border-radius: 4px;
padding: 12px 24px;
color: white;
border: none;
box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}struct SemiFlatCard: View {
@State private var isPressed = false
var body: some View {
VStack(alignment: .leading, spacing: 16) {
Text("Semi-Flat Card")
.font(.system(size: 18, weight: .semibold))
Text("Flat aesthetic with just enough depth to hint at interactivity.")
.font(.system(size: 15))
.foregroundColor(.secondary)
}
.padding(24)
.background(Color(.systemBackground))
.cornerRadius(8)
// The key: very soft, tinted shadow — NOT harsh black
.shadow(color: Color.black.opacity(0.06), radius: 12, x: 0, y: 4)
.scaleEffect(isPressed ? 0.98 : 1.0)
.animation(.easeOut(duration: 0.2), value: isPressed)
.onLongPressGesture(minimumDuration: .infinity, pressing: { pressing in
isPressed = pressing
}, perform: {})
}
}
struct SemiFlatButton: View {
var body: some View {
Button(action: {}) {
Text("Continue")
.font(.system(size: 15, weight: .semibold))
.foregroundColor(.white)
.padding(.horizontal, 24)
.padding(.vertical, 12)
.background(Color.accentColor)
.cornerRadius(4)
// Subtle button shadow
.shadow(color: Color.accentColor.opacity(0.25), radius: 8, x: 0, y: 4)
}
.buttonStyle(.plain)
}
}Color.accentColor.opacity(0.15)), never pure black.radius: 10...16 with opacity: 0.05...0.08 — if you can immediately see the shadow, it's too heavy.scaleEffect on press to hint at physical feedback.class SemiFlatCard extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
// Very soft, tinted shadow
boxShadow: [
BoxShadow(
color: const Color(0xFF2B303A).withOpacity(0.08),
blurRadius: 24,
offset: const Offset(0, 8),
spreadRadius: 0,
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Semi-Flat Card',
style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
const SizedBox(height: 16),
const Text('Flat aesthetic with just enough depth to hint at interactivity.',
style: TextStyle(fontSize: 15, color: Colors.black54)),
const SizedBox(height: 20),
ElevatedButton(
onPressed: () {},
style: ElevatedButton.styleFrom(
elevation: 2, // Very low — just enough to feel clickable
shadowColor: Theme.of(context).primaryColor.withOpacity(0.3),
backgroundColor: Theme.of(context).primaryColor,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4)),
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
),
child: const Text('Continue', style: TextStyle(fontWeight: FontWeight.w600)),
),
],
),
);
}
}elevation: 1 to elevation: 4 max. Never exceed elevation: 6.shadowColor to match the card's background or the brand color.InkWell for ripple effects and a slight Transform.translate animation on press.const SemiFlatCard = () => (
<View style={{
padding: 24,
backgroundColor: '#FFFFFF',
borderRadius: 8,
// Very subtle, diffuse shadow
shadowColor: '#2B303A',
shadowOffset: { width: 0, height: 8 },
shadowOpacity: 0.08,
shadowRadius: 24,
// Android
elevation: 3,
}}>
<Text style={{ fontSize: 18, fontWeight: '600', marginBottom: 16 }}>
Semi-Flat Card
</Text>
<Text style={{ fontSize: 15, color: '#666', marginBottom: 20 }}>
Flat aesthetic with just enough depth to hint at interactivity.
</Text>
<Pressable
style={({ pressed }) => ({
backgroundColor: '#4A90D9',
paddingHorizontal: 24,
paddingVertical: 12,
borderRadius: 4,
alignSelf: 'flex-start',
transform: [{ scale: pressed ? 0.97 : 1 }],
shadowColor: '#4A90D9',
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.25,
shadowRadius: 8,
})}
>
<Text style={{ color: '#FFF', fontWeight: '600' }}>Continue</Text>
</Pressable>
</View>
);shadowOpacity: 0.05...0.10 with shadowRadius: 16...24 for a diffuse spread.elevation: 2...4 is equivalent. Avoid going above elevation: 6.Pressable with ({ pressed }) style callback for animated press states.@Composable
fun SemiFlatCard() {
Card(
modifier = Modifier.fillMaxWidth(),
shape = RoundedCornerShape(8.dp),
elevation = CardDefaults.cardElevation(defaultElevation = 2.dp),
colors = CardDefaults.cardColors(containerColor = Color.White),
) {
Column(modifier = Modifier.padding(24.dp)) {
Text("Semi-Flat Card", fontSize = 18.sp, fontWeight = FontWeight.SemiBold)
Spacer(Modifier.height(16.dp))
Text("Flat aesthetic with just enough depth to hint at interactivity.",
fontSize = 15.sp, color = Color(0xFF666666))
Spacer(Modifier.height(20.dp))
Button(
onClick = {},
shape = RoundedCornerShape(4.dp),
elevation = ButtonDefaults.buttonElevation(defaultElevation = 2.dp),
contentPadding = PaddingValues(horizontal = 24.dp, vertical = 12.dp),
) {
Text("Continue", fontWeight = FontWeight.SemiBold)
}
}
}
}CardDefaults.cardElevation(defaultElevation = 2.dp) — keep it under 4dp.hoveredElevation = 4.dp, pressedElevation = 1.dp for subtle physics.Modifier.shadow(elevation, shape, ambientColor, spotColor) with custom tinted colors.© sickn33, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in skills/design-it/flat-design-2 of sickn33/agentic-awesome-skills.
Open the folder on GitHubat commit ec02547
We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in sickn33/agentic-awesome-skills, which our catalogue first saw on October 7, 2026.
Flat Design 2 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 |
|---|---|---|---|---|---|---|
| Flat Design 2 this skillsickn33/agentic-awesome-skills | 47k | 1 repos | ~2.2k | Automated safety check: Pass | MIT | |
| Audit UI Thread Safetyflutter/flutter-intellij | 2k | — | ~518 | Automated safety check: Pass | BSD-3-Clause | |
| Replica ReconJakeschincariol/replica-skill | 908 | — | ~1.4k | Automated safety check: Pass | MIT | |
| Flow Walkthroughrshankras/claude-code-apple-skills | 783 | — | ~2.3k | Automated safety check: Notes | MIT | |
| Flutter Animationsaiskillstore/marketplace | 430 | — | ~3.7k | Automated safety check: Pass | None | |
| Wayfinder Codex UX Reviewasdecided/WayfinderRouter | 417 | — | ~1.1k | Automated safety check: Pass | Apache-2.0 |
flutter/flutter-intellij
Prevent UI freezes and ensure a responsive user experience by validating threading rules and migrating blocking calls off the Event Dispatch Thread (EDT).
Jakeschincariol/replica-skill
Reverse-engineers any app into a recon map: screen inventory, user flows, component list, inferred data model and a feature matrix, from public pages, screenshots, app store listings, help docs and…
rshankras/claude-code-apple-skills
Verify UI workflow correctness that a task list, code review, and static screenshots miss.
aiskillstore/marketplace
Comprehensive guide for implementing animations in Flutter. An agent skill from aiskillstore/marketplace.
asdecided/WayfinderRouter
Review and improve WAYFINDER's native macOS UX against OpenAI Codex app patterns and the repo's accepted menu-bar design contracts.
conorluddy/xclaude-plugin
Accessibility-first UI automation using IDB. An agent skill from conorluddy/xclaude-plugin.
sickn33/agentic-awesome-skills
Implements an interface in one of two named color modes, iridescent white or colorful black, from a parameterized starter that reports measured color intensity.
sickn33/agentic-awesome-skills
Saves a user's project decisions, rules and preferences into a project-local mdbase so later sessions and other agents can recover the intent.
sickn33/agentic-awesome-skills
Keeps project decisions, research and verified results available across coding-agent sessions through LWC memory, a document Wiki graph and a CodeGraph code index.
sickn33/agentic-awesome-skills
Guides an agent through assessing its own owner for cofounder fit, publishing an approved profile, and ranking complementary profiles other agents published for their owners.
sickn33/agentic-awesome-skills
Acts as a proxy for the Cline CLI, dispatching coding tasks one at a time, monitoring runs by hard evidence, relaying decisions to you and learning per-project preferences.
sickn33/agentic-awesome-skills
Drafts and reviews audience-specific content from supplied brand examples, with local scripts for brand voice and SEO diagnostics, channel templates and a content calendar.
Categories
Web and App implementation guide for Flat Design 2.0 (Semi-Flat). Flat Design 2 is an agent skill from sickn33/agentic-awesome-skills.0 (Semi-Flat).
Flat Design 2 fits situations like: the user wants flat design with subtle shadows and improved usability; tasks that involve UX design.
Run `npx skills add sickn33/agentic-awesome-skills --skill flat-design-2 -a claude-code`. Or copy the skill folder (skills/design-it/flat-design-2 in sickn33/agentic-awesome-skills) into .claude/skills/flat-design-2 in your project. Claude Code loads it when a task matches its description.
Run `npx skills add sickn33/agentic-awesome-skills --skill flat-design-2 -a codex`. Or copy the skill folder (skills/design-it/flat-design-2 in sickn33/agentic-awesome-skills) into .agents/skills/flat-design-2 in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add sickn33/agentic-awesome-skills --skill flat-design-2 -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/flat-design-2, .gemini/skills/flat-design-2, .github/skills/flat-design-2 and .opencode/skills/flat-design-2 in your project.
SKILL.md names no scripts, command-line tools or credentials: Flat Design 2 is instructions for the agent only.
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.
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.
Flat Design 2 is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 2.2k tokens (SKILL.md is roughly 8.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Flat Design 2: Audit UI Thread Safety (flutter/flutter-intellij, 2k stars), Replica Recon (Jakeschincariol/replica-skill, 908 stars), Flow Walkthrough (rshankras/claude-code-apple-skills, 783 stars) and Flutter Animations (aiskillstore/marketplace, 430 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
sickn33 (a GitHub user) maintains it in sickn33/agentic-awesome-skills, which has 47,343 GitHub stars. The repository holds 1,354 skills in this directory. The repository was last updated on October 7, 2026.
Source: sickn33/agentic-awesome-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.