web-artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
theme-factory
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
slack-gif-creator
Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack."
internal-comms
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
daily-reading-digest
Create a daily Telegram reading roundup from tracked SWE/AI/entrepreneurship writers (Paul Graham, Vitalik, Chamath, Dwarkesh, Peter Steinberger) plus Hacker News top 10. Use when asked for daily readings, blog digests, HN one-liners, or cron-based morning briefing automation.
youtube-summarizer
Summarize YouTube videos from their transcript. Use when asked to summarize a YouTube URL, extract key insights from a video, or get a quick rundown of a podcast/talk. Handles all YouTube URL formats including shorts, embeds, and youtu.be links.
vicki-newsletter-digest
Weekly newsletter digest for Vicki — a Singapore-based financial advisor growing her brand. Pulls Chamath Palihapitiya and Sahil Bloom newsletters, extracts key insights, and reframes them as content angles Vicki can share with her audience. Use when asked for Vicki's digest, newsletter ideas, or content inspiration from thought leaders.
rust-systems-engineering
Expert-level Rust systems programming for high-performance, critical systems like Reth (Ethereum execution client). Use when working on: performance optimization, systems-level code, blockchain execution layers, memory-critical paths, concurrent systems, or production-grade infrastructure requiring staff engineer precision. Specializes in: allocation reduction, redundancy elimination, prefetching, parallelization, and simplicity-first optimization.
vscode-theme
Generate VSCode color themes, package them as .vsix files, and install to VSCode. Use when creating custom VSCode themes, designing color schemes, or when the user mentions VSCode theme, color theme, dark theme, or light theme.
creating-skills
Creates new Agent Skills (SKILL.md + optional scripts/references) that follow the Agent Skills spec. Use when the user asks to create, structure, validate, or improve an agent skill.
drizzle-orm
Drizzle ORM for TypeScript - type-safe SQL queries, schema definitions, migrations, and relations. Use when building database layers in Next.js or Node.js applications.
effect-ts
This skill should be used when the user asks about Effect-TS patterns, services, layers, error handling, service composition, or writing/refactoring code that imports from 'effect'. Also covers Effect + Next.js integration with @prb/effect-next.
framework-solidjs
Specialist in SolidJS 1.8+ and SolidStart development, focusing on fine-grained reactivity, efficient DOM rendering, and modern data-fetching patterns (Solid Router/Actions).
lang-python
This skill should be used when the user asks to "write Python code", "debug a Python script", "set up a Python project", "explain Python concepts", or mentions Python-specific libraries like FastAPI, Django, or Pandas.
lang-go
Go 1.23+ development specialist covering Chi, GORM, and concurrent programming patterns. Use when building high-performance microservices, CLI tools, or cloud-native applications.
ast-grep
Guide for writing ast-grep rules to perform structural code search and analysis. Use when users need to search codebases using Abstract Syntax Tree (AST) patterns, find specific code structures, or perform complex code queries that go beyond simple text search. This skill should be used when users ask to search for code patterns, find specific language constructs, or locate code with particular structural characteristics.
code-style
Discovery, typing, and execution standards.
skill-development
This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.
PreventionPatterns
Known bug patterns and their fixes to prevent regression.
opentui
Comprehensive OpenTUI skill for building terminal user interfaces. Covers the core imperative API, React reconciler, and Solid reconciler. Use for any TUI development task including components, layout, keyboard handling, animations, and testing.
lang-typescript
This skill should be used when the user asks to "write TypeScript", "debug TypeScript", "create a SolidJS component", "configure TanStack Start", "validate data with Valibot", or mentions .ts/.tsx files. Covers TypeScript 5.9+, SolidJS, and TanStack patterns.
lang-rust
Rust 1.92+ development specialist covering Axum, Tokio, SQLx, and memory-safe systems programming. Use when building high-performance, memory-safe applications or WebAssembly.
lang-javascript
This skill should be used when the user asks to "write JavaScript", "debug a Node.js/Bun app", "create a Hono server", "configure Biome", "run tests with bun test", or mentions .js/.mjs files. Covers ES2024+, Bun, and Hono patterns.
git-standards
This skill should be used when the user asks to "commit changes", "create a PR", "push code", "check git status", or "review git history". Enforces safety checks and conventional commits.
hono
Specialist in Hono (v4+), an ultrafast web framework for Edge (Cloudflare, Bun, Deno) and Node. Focuses on type-safe RPC, middleware, and Web Standards.
just-cli
This skill should be used when the user asks to "create a justfile", "write just recipes", "configure just settings", "add just modules", "use just attributes", "set up task automation", mentions justfile, just command runner, or task automation with just.
kobalte
Specialist in Kobalte, a headless, accessible UI component library for SolidJS. Focuses on accessibility (ARIA), composability, and styling unstyled primitives.
vitest
Specialist in Vitest, a blazing fast unit test framework powered by Vite. Focuses on Jest compatibility, in-source testing, and native ESM support.
tanstack-solid
Specialist in the TanStack ecosystem for SolidJS, including TanStack Start, Query, Router, Table, and Form. Focuses on Solid-specific reactivity patterns.
opal-frontend-review-guidelines
Automated review rules for opal-frontend PRs. Use when asked to review code, run @codex review, or provide PR feedback; apply severity levels and the required comment format.
opal-frontend-execplan
Guidance for creating and maintaining ExecPlans. Use when asked to create, update, or discuss an ExecPlan.
opal-flow-lld
Create low-level design (LLD) documents for Opal frontend flows using the Flow LLD template. Use when asked to draft, fill out, or update a flow LLD for Opal.
unit-converter
Convert between physical units (length, mass, temperature, time, etc.). Use for scientific calculations, data transformation, or unit standardization.
password-generator
Generate secure passwords and passphrases with customizable rules. Check password strength, generate bulk passwords, and create memorable passphrases.
background-remover
Remove backgrounds from images using segmentation. Support for color-based, edge detection, and AI-assisted removal methods. Batch processing available.
batch-qr-generator
Use when asked to generate multiple QR codes from CSV data, create bulk QR codes with tracking, or generate QR codes for events/products.
certificate-generator
Batch create professional certificates with customizable templates for courses, achievements, and awards. Supports CSV input and PDF export.
blog-post-optimizer
Analyze blog posts for SEO, readability, headline quality, and content structure. Generate meta tags and optimization recommendations with scoring.
model-comparison-tool
Use when asked to compare multiple ML models, perform cross-validation, evaluate metrics, or select the best model for a classification/regression task.
named-entity-extractor
Extract named entities (people, organizations, locations, dates) from text using NLP. Use for document analysis, information extraction, or data enrichment.
citation-bibliography-generator
Format citations in APA, MLA, Chicago, IEEE, Harvard styles from structured data, DOI/ISBN lookup, or manual entry. Generate bibliographies with auto-sort.
geocoder
Convert addresses to coordinates (geocoding) and coordinates to addresses (reverse geocoding). Use for location data enrichment or address validation.
mcp-builder
Guide for building MCP (Model Context Protocol) servers that integrate external APIs/services with LLMs. Covers Python (FastMCP) and TypeScript (MCP SDK) implementations.
meeting-notes-formatter
Convert raw meeting notes to structured markdown or PDF with automatic section detection, action items extraction, and attendee parsing.
ml-model-explainer
Explain ML model predictions using SHAP values, feature importance, and decision paths with visualizations.
org-chart-generator
Generate organizational hierarchy charts from CSV, JSON, or nested data. Supports multiple layouts, department coloring, and PNG/SVG/PDF export.
audio-trimmer
Cut, trim, and edit audio segments with fade effects, speed control, concatenation, and basic audio manipulations.
barcode-generator
Generate barcodes in multiple formats (Code128, EAN13, UPC, Code39, QR). Supports batch generation from CSV and various output formats.
gantt-chart-creator
Create project timeline Gantt charts with dependencies, milestones, and progress tracking. Supports static (PNG/SVG) and interactive (HTML) output.
color-palette-extractor
Extract dominant colors from images, generate color palettes, and export as CSS, JSON, or ASE with K-means clustering.
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