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.
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".
nextjs-server-side-error-debugging
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prisma-connection-pool-exhaustion
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typescript-circular-dependency
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prompt-factory
Generate world-class, production-ready prompts in one shot through intelligent 5-7 question flow and 69 presets across 15 professional domains. Supports XML/Claude/ChatGPT/Gemini formats with quality validation. Returns a single mega-prompt ready to use—skill does NOT implement the work described in the prompt. Optimized for modern LLMs including Claude 3.5+, GPT-4.1, and Gemini 2.5.
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. Use when asked about NYC subway status, train times, bus routes, ferry schedules, transit delays, MTA service alerts, or "what's the next train to X".
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.
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.
agent-engineering
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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.
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.
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.
bird-fast
Post tweets, read threads, search X/Twitter from the terminal using the bird CLI. Use when automating Twitter/X, posting from scripts, analyzing tweet threads, monitoring mentions, or working with the Twitter API without OAuth setup.
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, proof-of-concept exploit generation, DeFi protocol attacks, and cross-chain bridge security.
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.
ceo-review
Review documents, proposals, and plans through the lens of a CEO. Simulates feedback from a founder-CEO who is technical, data-driven, and focused on long-term vision while navigating market volatility. Use when you want high-level strategic review: does this idea make sense as a company bet? Is the team right-sized? Will this survive a downturn? Is it community-first?
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.
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.
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.
content-trend-researcher
Research content trends and generate data-driven article outlines by analyzing Google Trends, Reddit, LinkedIn, X, Substack, Medium, YouTube, and more. Use when asked to research content ideas, find trending topics, generate article outlines, analyze audience intent, or when user says "what should I write about", "find trending topics in X", or "research content ideas".
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".
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.
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.
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.
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.
executing-plans
Execute a written implementation plan with review checkpoints and structured progress tracking. Use when you have a spec or plan ready to implement, when user says "execute this plan", "implement this spec", "carry out these steps", or "start working on the plan".
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.
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.
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.
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.
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.
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.
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".
idea-md
Create or expand an Idea.md / IDEA.md file from a rough description, existing repo, conversation history, notes, or other early-stage product inputs. Use when the user asks to "write an Idea.md", "turn this into an idea file", "capture this product idea", "expand this concept", or wants a repo-grounded concept brief before validation, PRD, or implementation work.
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.
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.
llm-advisor
Consult other LLMs (GPT-4.1, o4-mini, Gemini 2.5 Pro, Claude Opus) 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'.
llm-evaluation
Implement comprehensive evaluation strategies for LLM applications using automated metrics, LLM-as-judge, human feedback, and benchmarking. Use when testing LLM performance, measuring AI application quality, comparing prompts/models, or establishing evaluation frameworks. Covers RAGAS for RAG pipelines, evals-as-code CI/CD integration, and modern 2025/2026 practices including structured output evaluation and agentic task success measurement.
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'.
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.
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.
mcp-tester
Test and evaluate MCP server tools in the current Claude Code session. Use when auditing MCP configurations, validating tool quality, testing MCP servers end-to-end, generating test cases, checking tool descriptions and schemas, analyzing tool efficiency and redundancy, or debugging MCP integration issues. Covers tool discovery, quality analysis, test generation with AAA pattern, execution, rating, and cross-tool redundancy analysis.
nano-banana
Generate and edit high-quality AI images using Google's Gemini image models (Nano Banana series) via MCP. Use when user wants to create images, edit photos, generate graphics, or needs visual content with text rendering. Supports gemini-3.1-flash-image-preview (Nano Banana 2) and gemini-2.5-flash-image-preview (Nano Banana).
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.
paperclip
Interact with the Paperclip control plane API to manage tasks, coordinate agents, track goals, and run your AI-powered company. Use when working with Paperclip issues, agents, projects, or goals.
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.
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.
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.
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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