Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

styling

CSS and Tailwind, cn(), flex layouts. Use for "style this", "fix the CSS", "add classes", "not scrolling", "overflow", Tailwind utilities.

4.70k repo starsObserved in 1 repos
Development

svelte

Svelte 5 component and state-module patterns for Epicenter apps. Use when editing `.svelte`, `.svelte.ts`, or Svelte UI state code involving runes, `$props`, snippets, keyed lifecycles, `{#await}`, TanStack Query, `SvelteMap`/`SvelteSet`, `createSubscriber`, `$state.raw`, shadcn-svelte, or workspace observers.

4.70k repo starsObserved in 1 repos
Development

sveltekit

SvelteKit routing, load functions, server-only modules, form actions, hooks, cookies, env, adapters, and invalidation. Use when editing +page.ts, +page.server.ts, +layout.ts, +server.ts, hooks.server.ts, app.d.ts, or SvelteKit route behavior.

4.70k repo starsObserved in 1 repos
Development

tanstack-table

TanStack Table UI state patterns for @tanstack/svelte-table, @tanstack/table-core, createTable, ColumnDef, FlexRender, renderComponent, sorting, filtering, pagination, row identity, and local table markup composition. Use when building or reviewing Svelte data tables, not Epicenter workspace storage tables.

4.70k repo starsObserved in 1 repos
Development

tauri

Tauri commands, permissions, capabilities, security config, path handling, cross-platform file ops, and native filesystem APIs. Use when mentioning Tauri, desktop apps, Rust commands, invoke, capabilities, permissions, ResourceId, file paths, or platform differences.

4.70k repo starsObserved in 1 repos
Development

tsconfig

TypeScript config conventions for this monorepo: the two-base layering, the eight leaf tiers, and the never-redeclare list. Use when adding a package, editing any tsconfig.json, picking a tier for a new app, or debugging module resolution.

4.70k repo starsObserved in 1 repos
Development

turso

Turso and libSQL patterns for embedded SQLite-compatible databases, serverless drivers, sync engines, partial sync, WAL/MVCC behavior, compatibility gaps, CLI usage, and Drizzle integration boundaries. Use when mentioning Turso, libSQL, @libsql/client, remote SQLite, embedded replicas, or local database sync.

4.70k repo starsObserved in 1 repos
Development

type-level-error-messages

Make compile-time errors readable by branding constraint-violation types as template literal messages with a U+200B zero-width-space suffix. Use when writing helper functions that constrain object keys, string shapes, or other literal-type inputs and you want the TypeScript error tooltip to read as an English sentence pointing at the offending value.

4.70k repo starsObserved in 1 repos
Development

typebox

TypeBox patterns for runtime schema validation and JSON Schema generation. Use when mentioning TypeBox, Standard Schema, or schema-based validation.

4.70k repo starsObserved in 1 repos
Development

workspace-api

Epicenter workspace API patterns: `defineWorkspace`, `defineTable`, `defineKv`, table `.docs(...)`, migrations, actions, `connect(...)`, `mount(...)`, materializers, and lower-level `createWorkspace` / `openCollaboration` primitives. Use when editing workspace schemas, table/KV access, row child docs, actions, runtime connections, daemon mounts, or collaboration setup.

4.70k repo starsObserved in 1 repos
Development