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ckorhonen

ckorhonen

52 Skills published on GitHub.

agent-browser

Automate headless browser interactions using agent-browser CLI. Use when scraping web pages, automating form submissions, testing web apps, or performing browser automation tasks. Works with element refs (@e1, @e2) optimized for AI agent reasoning.

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app-marketing-copy

Write marketing copy and App Store / Google Play listings (ASO keywords, titles, subtitles, short+long descriptions, feature bullets, release notes), plus screenshot caption sets and text-to-image prompt templates for generating store screenshot backgrounds/promo visuals. Use when asked to: write/refresh app marketing copy, craft app store metadata, brainstorm taglines/value props, produce ad/landing/email copy, or generate prompts for screenshot/creative generation.

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autoresearch

Run a rigorous autonomous experiment loop for any optimization target using explicit hypotheses, repeated trials, structured experiment logs, and local HTML reports. Use when asked to "run autoresearch", "optimize X in a loop", "start experiments", or "improve this with benchmark-driven iteration".

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babysit-pr

Create, monitor, and shepherd a GitHub pull request end-to-end: respect repo PR templates, watch CI and reviews, fix branch-related failures, address valid comments, and validate post-merge deployment when possible.

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bird-fast

Post tweets, read threads, search X/Twitter from the terminal using bird CLI. Use when automating Twitter, posting from scripts, analyzing tweet threads, monitoring mentions, or working with the Twitter/X API without OAuth.

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blockchain-auditor

Security audit smart contracts for exploitable vulnerabilities from an unprivileged context. Use when analyzing Solidity contracts, reviewing bytecode, testing exploits on forks, or searching for ways to extract funds without owner access. Covers verified and unverified contracts, bytecode disassembly, vulnerability ranking, and proof-of-concept exploit generation.

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brainstorming

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

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Cloudflare Manager

Comprehensive Cloudflare account management for deploying Workers, KV Storage, R2, Pages, DNS, and Routes. Use when deploying cloudflare services, managing worker containers, configuring KV/R2 storage, or setting up DNS/routing. Requires CLOUDFLARE_API_KEY in .env and Bun runtime with dependencies installed.

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codex-advisor

Get a second opinion from OpenAI Codex CLI for plan reviews, code reviews, architecture decisions, and hard problems. Use when you need external validation, want to compare approaches, or are stuck on a difficult problem.

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content-trend-researcher

Advanced content and topic research skill that analyzes trends across Google Analytics, Google Trends, Substack, Medium, Reddit, LinkedIn, X, blogs, podcasts, and YouTube to generate data-driven article outlines based on user intent analysis

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continuous-learning

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nextjs-server-side-error-debugging

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prisma-connection-pool-exhaustion

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typescript-circular-dependency

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coreml-optimizer

Optimize CoreML models for iOS and macOS deployment. Covers quantization, palettization, pruning, Neural Engine targeting, compute unit selection, and performance profiling. Use when converting ML models to CoreML, optimizing model size/latency, debugging Neural Engine issues, or benchmarking on-device inference.

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direct-mail-strategist

Expert direct mail marketing strategist for writing compelling copy, designing high-converting mail pieces, and developing measurement strategies. Use when planning direct mail campaigns, writing mailer copy, designing postcards/letters, or measuring campaign effectiveness with incremental lift analysis.

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evangelion-design

Design original Evangelion-inspired web and mobile interfaces with NERV-like command-center, HUD, psychographic, sync-monitor, breach-warning, and title-card language: sharp geometry, tactical typography, disciplined data density, danger-first palettes, wireframe analysis forms, repeated instrument arrays, and mechanical animation. Use when users ask for Evangelion, NERV, anime control room UI, sci-fi military instrumentation, diagnostic overlays, psychographic displays, sync monitors, countdown screens, or dramatic system-state motion for product interfaces.

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executing-plans

Use when you have a written implementation plan to execute in a separate session with review checkpoints

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freshdesk-api

Expert in Freshdesk helpdesk API for building integrations, extracting support data, managing tickets/contacts/companies, and automating support workflows. Use when working with Freshdesk, building helpdesk integrations, analyzing support ticket data, or creating customer support applications.

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gemini-image-generator

Generate images using Google's Gemini API. Use when creating images from text prompts, editing existing images, or combining reference images for AI-generated visual content.

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gemini-visual

Visual and front-end development assistant powered by Google Gemini 3. Use for UI analysis, design comparison, accessibility audits, color palette extraction, screenshot-to-code conversion, generating UI assets, and text-based design assistance from briefs.

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github-actions-templates

Create production-ready GitHub Actions workflows for automated testing, building, and deploying applications. Use when setting up CI/CD with GitHub Actions, automating development workflows, or creating reusable workflow templates.

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google

Personal assistant for Google Workspace using gog CLI. Search Gmail, manage Calendar, organize Drive, update Sheets, track Tasks, and lookup Contacts. Use when triaging email, scheduling meetings, finding availability, searching documents, managing tasks, or any Google service interaction from the terminal.

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gsplat-optimizer

Optimize 3D Gaussian Splat scenes for real-time rendering on iOS, macOS, and visionOS. Use when working with .ply or .splat files, targeting mobile/Apple GPU performance, or needing LOD, pruning, or compression strategies for 3DGS scenes.

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imagegen

Use when the user asks to generate or edit images via the OpenAI Image API (for example: generate image, edit/inpaint/mask, background removal or replacement, transparent background, product shots, concept art, covers, or batch variants); run the bundled CLI (`scripts/image_gen.py`) and require `OPENAI_API_KEY` for live calls.

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ios-app-tester

Test iOS apps using AXe CLI for accessibility auditing, UI automation, and simulator control. Use when testing iOS Simulator apps, automating UI interactions, recording test videos, or auditing accessibility labels and VoiceOver support.

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llm-advisor

Consult other LLMs (GPT-5.2, GPT-5, Gemini 3) for second opinions on complex bugs, hard problems, planning, and architecture decisions. Use proactively when stuck for >15 minutes or facing complex debugging. Use when user says "ask Gemini/GPT/Claude about X" or "get a second opinion".

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llm-evaluation

Implement comprehensive evaluation strategies for LLM applications using automated metrics, human feedback, and benchmarking. Use when testing LLM performance, measuring AI application quality, or establishing evaluation frameworks.

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build-macos-apps

Build professional native macOS apps in Swift with SwiftUI and AppKit. Full lifecycle - build, debug, test, optimize, ship. CLI-only, no Xcode.

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markdown-fetch

Fetch and extract web content as clean Markdown when provided with URLs. Use this skill whenever a user provides a URL (http/https link) that needs to be read, analyzed, summarized, or extracted. Converts web pages to Markdown with 80% fewer tokens than raw HTML. Handles all content types including JS-heavy sites, documentation, articles, and blog posts. Supports three conversion methods (auto, AI, browser rendering). Always use this instead of web_fetch when working with URLs - it's more efficient and provides cleaner output.

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mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

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mcp-tester

Test and evaluate MCP server tools in the current session. Use when auditing MCP configurations, validating tool quality, testing MCP servers, generating test cases, checking tool descriptions, or analyzing tool efficiency and redundancy.

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nano-banana

Generate and edit high-quality AI images using Google's Gemini 3.1 Flash Image model (Nano Banana 2) via MCP. Use when user wants to create images, edit photos, generate graphics, or needs visual content with text rendering.

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opensea-api

Interact with the OpenSea NFT marketplace API. Use when fetching NFT metadata, collection info, listings, offers, events, or building NFT applications with OpenSea's REST and Stream APIs.

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playdate-dev

Playdate game development in Lua with the Playdate SDK, including game loop, sprites, graphics, input (crank, buttons, accelerometer), UI, performance, metadata (pdxinfo), and simulator/device workflow. Use when asked to make a Playdate game, implement Playdate-specific mechanics, or apply Playdate design and accessibility guidelines.

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poke-assistant

Send messages and notifications to Poke (poke.com) via webhook API. Use when alerting the user, sending task completion notifications, status updates, reminders, or any message to their Poke assistant.

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poplar-direct-mail

Design and send programmatic direct mail using Poplar's HTML templates and API. Use for creating dynamic mail pieces (postcards, bifolds, trifolds, letters) with personalization and triggering mail via API.

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practical-typography

Professional typography guidance based on Matthew Butterick's Practical Typography. Use when evaluating, critiquing, or improving document formatting, text layout, font choices, punctuation, spacing, or any typography-related decisions for print or web content.

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prompt-factory

World-class prompt powerhouse that generates production-ready mega-prompts for any role, industry, and task through intelligent 7-question flow, 69 comprehensive presets across 15 professional domains (technical, business, creative, legal, finance, HR, design, customer, executive, manufacturing, R&D, regulatory, specialized-technical, research, creative-media), multiple output formats (XML/Claude/ChatGPT/Gemini), quality validation gates, and contextual best practices from OpenAI/Anthropic/Google. Supports both core and advanced modes with testing scenarios and prompt variations.

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qmd

Local hybrid search for markdown notes and docs. Use when searching notes, finding related content, or retrieving documents from indexed collections.

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scientific-critical-thinking

Evaluate research rigor. Assess methodology, experimental design, statistical validity, biases, confounding, evidence quality (GRADE, Cochrane ROB), for critical analysis of scientific claims.

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security-best-practices

Perform language and framework specific security best-practice reviews and suggest improvements. Trigger only when the user explicitly requests security best practices guidance, a security review/report, or secure-by-default coding help. Trigger only for supported languages (python, javascript/typescript, go). Do not trigger for general code review, debugging, or non-security tasks.

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security-threat-model

Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Trigger only when the user explicitly asks to threat model a codebase or path, enumerate threats/abuse paths, or perform AppSec threat modeling. Do not trigger for general architecture summaries, code review, or non-security design work.

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seo-optimizer

This skill should be used when analyzing HTML/CSS websites for SEO optimization, fixing SEO issues, generating SEO reports, or implementing SEO best practices. Use when the user requests SEO audits, optimization, meta tag improvements, schema markup implementation, sitemap generation, or general search engine optimization tasks.

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shadertoy

This skill should be used when working with Shadertoy shaders, GLSL fragment shaders, or creating procedural graphics for the web. Use when writing .glsl files, implementing visual effects, creating generative art, or working with WebGL shader code. This skill provides GLSL ES syntax reference, common shader patterns, and Shadertoy-specific conventions.

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skill-finder

Proactively discover, install, and create Claude skills for specialized tasks. AUTOMATICALLY activates when encountering niche domains, unfamiliar APIs, specialized knowledge areas, or when user expresses wanting to learn/know something new. Searches the community registry at claude-plugins.dev and auto-installs matching skills. Creates new skills when no match exists. Use when user says "I want to know...", "help me with [specialized domain]", or when you recognize a task requires specialized expertise you don't have.

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subway-info

Get real-time NYC transit information — subway, bus, ferry, and commuter rail — via the subway-info CLI or REST API at subwayinfo.nyc.

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systematic-debugging

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

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tui-designer

Design and implement retro/cyberpunk/hacker-style terminal UIs. Covers React (Tuimorphic), SwiftUI (Metal shaders), and CSS approaches. Use when creating terminal aesthetics, CRT effects, neon glow, scanlines, phosphor green displays, or retro-futuristic interfaces.

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ui-design

Opinionated constraints for building better interfaces with agents. Use when building UI components, implementing animations, designing layouts, reviewing frontend accessibility, or working with Tailwind CSS, motion/react, or accessible primitives like Radix/Base UI.

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