System ops toolkit for ports and macOS diagnostics. Use for: inspecting or killing processes on a port ("what's on 3000", "port 8080 is taken"); macOS health snapshots — CPU temp, load, memory, swap, disk, network ("how's my mac", "is it overheating"); live memory I/O pressure — pageouts, swap churn, compressor activity ("why is my mac slow", "is it swapping"); WindowServer CPU/GPU diagnostics ("WindowServer is hot", "UI feels laggy"); and listing/managing macOS Background Task Management items shown in System Settings. macOS-only except port management.
Search notes, open files, and create zettelkasten notes in Obsidian using the Obsidian CLI. Use this skill whenever the user mentions Obsidian, their vault, searching notes, finding notes by tag or content, opening a note, creating a new note, zettelkasten, zettel, or doing anything related to their Obsidian knowledge base — even if they just say "find that note about X", "save this as a note", "open my note on Y", "create a zettel note", or "new zettel". Also triggers when the user wants to look up information they've previously written down, or wants to save research/content to their personal knowledge base.
Use when deploying services to Fly.io, configuring fly.toml, managing Fly machines, volumes, domains, health checks, or troubleshooting Fly deployments. Trigger this skill whenever the user mentions Fly.io, flyctl, fly deploy, fly.toml, or wants to run containers on Fly — even if they just say "deploy this to Fly" or "put this on fly.io".
Look up current LLM model identifiers, pricing, and specs across providers using models.dev data. Use this skill whenever the user asks about model IDs, model names, pricing, context windows, or what models a provider offers — even if they don't say "models.dev". Also use when the user is writing code that needs a model ID and seems uncertain, when comparing costs between models or providers, or when checking what's the latest model from any provider. Covers 90+ providers including OpenAI, Anthropic, Google, Mistral, DeepSeek, xAI, Cohere, and many more.
Read and analyze Hacker News discussion threads. Fetches an HN thread URL, converts it to flat markdown using hn_flat.py, then extracts and presents the most valuable discussion insights — critical rebuttals, personal anecdotes, technical corrections, and notable debates. Use when the user provides an HN URL and wants a curated summary of the discussion.
This is the skill to create skills. Use when user want to create a new skill. 中文语境下，当用户需要创建一个新技能时，使用这个技能。