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Agent skills

Skills you can use with AI coding agents, indexed from public GitHub repositories.

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brainstorming Explore user intent, requirements and design before implementation through structured dialogue and design proposals. Use when asked to: create features, build components, add functionality, modify behavior, plan projects, or when user says 'help me design X', 'what should we build', 'let's brainstorm', or starts describing a new feature without a design.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
macos-apps Build professional native macOS apps in Swift with SwiftUI and AppKit. Full lifecycle - build, debug, test, optimize, ship. CLI-only, no Xcode. Use when asked to: create macOS apps, build Swift apps, develop SwiftUI interfaces, fix macOS app issues, add macOS app features, or when user says 'build a Mac app', 'create a Swift project', 'develop for macOS'.
ckorhonen/claude-skills 2
ascii-pixel-art Generate animated ASCII art from images with subject detection, blurred pixelated backgrounds, and dynamic visual effects. Use when asked to create ASCII art, convert an image to ASCII, generate pixel art, add animated text art effects, or make retro-style visual art from photos.
ckorhonen/claude-skills 2
cto-review Review documents, proposals, and plans through the lens of a CTO. Simulates feedback from a technical leader who has built and scaled multiple companies and values platform thinking, mobile-first craft, and iterative execution. Use when you need engineering leadership review: platform strategy, architecture decisions, team structure proposals, or anything that needs a 'will this scale and can we ship fast?' lens.
ckorhonen/claude-skills 2
ck-review Review documents, proposals, and plans through the lens of a senior principal engineer. Simulates feedback from a technically deep IC who values clarity, pragmatism, and shipping velocity. Use when you want direct, blunt technical feedback on a proposal, architecture doc, design doc, or spec — especially around structure, tradeoffs, and scope.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
autopredict Wrap the howdymary/autopredict Polymarket trading-agent repo. Use when you need to scan live Polymarket markets, inspect structural event mispricing, evaluate a market with your own fair probability, run reproducible backtests against a JSON dataset, tune strategy parameters safely, or review the repo's paper/live trading scaffolds and failure modes.
ckorhonen/claude-skills 2
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/MCP SDK) or Node/TypeScript (MCP SDK). Covers tool design, output schemas, Streamable HTTP transport, authentication patterns, evaluation creation, and common debugging.
ckorhonen/claude-skills 2
continuous-learning Capture reusable knowledge and create new skills automatically during coding sessions, problem solving, and retrospectives. Use when finishing a complex task, running a retrospective, discovering a reusable pattern, or when user says "save this as a skill", "capture this solution", "run a retrospective", or "what did we learn from this".
ckorhonen/claude-skills 2
typescript-circular-dependency Detect and resolve TypeScript/JavaScript circular import dependencies. Use when: (1) "Cannot access 'X' before initialization" at runtime, (2) Import returns undefined unexpectedly, (3) "ReferenceError: Cannot access X before initialization", (4) Type errors that disappear when you change import order, (5) Jest/Vitest tests fail with undefined imports that work in browser.
ckorhonen/claude-skills 2
prisma-connection-pool-exhaustion Fix Prisma "Too many connections" and connection pool exhaustion errors in serverless environments (Vercel, AWS Lambda, Netlify). Use when: (1) Error "P2024: Timed out fetching a new connection from the pool", (2) PostgreSQL "too many connections for role", (3) Database works locally but fails in production serverless, (4) Intermittent database timeouts under load.
ckorhonen/claude-skills 2
nextjs-server-side-error-debugging Debug getServerSideProps and getStaticProps errors in Next.js. Use when: (1) Page shows generic error but browser console is empty, (2) API routes return 500 with no details, (3) Server-side code fails silently, (4) Error only occurs on refresh not client navigation. Check terminal/server logs instead of browser for actual error messages.
ckorhonen/claude-skills 2
playdate-dev Playdate game development in Lua with the Playdate SDK. Covers game loop, sprites, graphics, input (crank, buttons, accelerometer), audio, 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.
ckorhonen/claude-skills 2
writing-plans Write structured implementation plans from specs or requirements before touching code. Use when given a spec, requirements doc, or feature description, when user says "plan this out", "write a plan for", "how should we implement", or before starting any multi-step coding task.
ckorhonen/claude-skills 2
systematic-debugging Systematic step-by-step debugging process for bugs, test failures, and unexpected behavior. Use when a test fails, something isn't working as expected, user says "this is broken", "why isn't X working", "help me debug", or when you encounter any error before proposing a fix.
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
hyperagent Run a self-referential self-improving agent loop where a meta-agent iteratively modifies a task-agent's code to optimize for any measurable target. Based on Facebook Research's Hyperagents paper (arXiv:2603.19461). Use when asked to "run hyperagent", "self-improve this", "optimize with self-modification", or "evolve this agent/script".
ckorhonen/claude-skills 2
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.
ckorhonen/claude-skills 2
skimmable Enforce code readability and state minimisation before opening or updating a pull request. Use when code is functionally complete and needs a final simplification pass focused on skimmability: reducing arguments, removing optionality and overrides, collapsing unnecessary abstractions, preferring discriminated unions, adding assertions at boundaries, handling variants exhaustively, deleting incidental changes, and making the diff shorter, clearer, and easier to review.
ckorhonen/claude-skills 2
gemini-visual Visual and front-end development assistant powered by Google Gemini's multimodal models. 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.
ckorhonen/claude-skills 2