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SvelteKit Full-Stack Development · sickn33 | DecimalAI

frontendby sickn33

SvelteKit Full-Stack Development

sickn33/sveltekit

Source sickn33/agentic-awesome-skills ↗License MIT

Build full-stack web applications with SvelteKit — file-based routing, SSR, SSG, API routes, and form actions in one framework.

NewMaintained

Automatic

Frontend / UI pack

Last verified 8/11/2026

What it changes

Passed 21 of 22 test cases with the skill, and 21 of 22 without it.

Without skill95%

With skill95%

Checks it passed that the model alone missed

The file is named +server.ts.

1 fixed20 passed either way0 still failing1 broke

Pass-rate lift: 0 pp
Tokens: +226%
Agent turns: 0%
Response time: -16%

Model gemini-3.6-flashMeasured 8/11/2026v121 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/sickn33-sveltekit/SKILL.md https://app.decimal.ai/s/sickn33-sveltekit/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add sickn33-sveltekit, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/sickn33-sveltekit/ and pins it in .decimal/skills.lock

decimalai skills add sickn33-sveltekit

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/sickn33-sveltekit/SKILL.md https://app.decimal.ai/s/sickn33-sveltekit/SKILL.md

Raw file: /s/sickn33-sveltekit/SKILL.md ↗ · machine-readable summary at /s/sickn33-sveltekit.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

A test case the skill fixed. Same model, same prompt, with and without the skill.

Prompt

You are implementing a REST endpoint in SvelteKit at `/api/posts` to accept POST requests. Specify the target filename in `src/routes/api/posts/` and the exported function identifier required to handle HTTP POST requests.

What was checked, without and with the skill
Checked	Without skill	With skill
The file is named +server.ts.	Missed	Passed
The file exports an uppercase function named POST.	Passed	Passed

case-12 · gemini-3.6-flash · 8/11/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md279 linessingle file

SvelteKit Full-Stack Development

Overview

SvelteKit is the official full-stack framework built on top of Svelte. It provides file-based routing, server-side rendering (SSR), static site generation (SSG), API routes, and progressive form actions — all with Svelte's compile-time reactivity model that ships zero runtime overhead to the browser. Use this skill when building fast, modern web apps where both DX and performance matter.

When to Use This Skill

Use when building a new full-stack web application with Svelte
Use when you need SSR or SSG with fine-grained control per route
Use when migrating a SPA to a framework with server capabilities
Use when working on a project that needs file-based routing and collocated API endpoints
Use when the user asks about +page.svelte, +layout.svelte, load functions, or form actions

How It Works

Step 1: Project Setup

npm create svelte@latest my-app
cd my-app
npm install
npm run dev

Choose Skeleton project + TypeScript + ESLint/Prettier when prompted.

Directory structure after scaffolding:

src/
  routes/
    +page.svelte        ← Root page component
    +layout.svelte      ← Root layout (wraps all pages)
    +error.svelte       ← Error boundary
  lib/
    server/             ← Server-only code (never bundled to client)
    components/         ← Shared components
  app.html              ← HTML shell
static/                 ← Static assets

Track record

Benchmark

21 / 22

test cases passed, vs 21 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

sickn33 / agentic-awesome-skills

skills/sveltekit/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

davila7/sveltekitBuild full-stack web applications with SvelteKit — file-based routing, SSR, SSG, API routes, and form actions in one framework.Near-identical description+14 pp pass-rate lift

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

SvelteKit Full-Stack Development

Overview

When to Use This Skill

How It Works

Step 1: Project Setup

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills