Analyze and reclaim macOS disk space through intelligent cleanup recommendations. This skill should be used when users report disk space issues, need to clean up their Mac, or want to understand what's consuming storage. Focus on safe, interactive analysis with user confirmation before any deletions.

Use ONLY when the user explicitly says: 'use the skill web-to-markdown ...' (or 'use a skill web-to-markdown ...'). Converts webpage URLs to clean Markdown by calling the local web2md CLI (Puppeteer + Readability), suitable for JS-rendered pages.

libpolicy - Policy engine for access control. PolicyIndex stores and evaluates authorization policies. createPolicyIndex factory loads policies from storage. Planned OPA-WASM integration for complex policy evaluation. Use for access control, authorization decisions, and resource permissions.

libindex - Base index class for storage-backed data. Index class provides JSONL storage operations and filtering logic. BufferedIndex adds high-volume write support with periodic flushing. Use for building custom indexes, implementing data stores, and managing persistent collections.

Specialized knowledge of Bash and Zsh scripting, shell automation, command-line tools, and scripting best practices. Use when the user needs to write, debug, or optimize shell scripts or work with command-line tools.

Guide for using Repomix - a powerful tool that packs entire repositories into single, AI-friendly files. Use when packaging codebases for AI analysis, generating context for LLMs, creating codebase snapshots, analyzing third-party libraries, or preparing repositories for security audits.

Modern JavaScript/TypeScript development with Bun runtime. Covers package management, bundling, testing, and migration from Node.js. Use when working with Bun, optimizing JS/TS development speed, or migrating from Node.js to Bun.

Optimize Bazel builds for large-scale monorepos. Use when configuring Bazel, implementing remote execution, or optimizing build performance for enterprise codebases.

Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure.

Use when you need to address review or issue comments on an open GitHub Pull Request using the gh CLI.

Use when you need to address review or issue comments on an open GitHub Pull Request using the gh CLI.

Query ChEMBL bioactive molecules and drug discovery data. Search compounds by structure/properties, retrieve bioactivity data (IC50, Ki), find inhibitors, perform SAR studies, for medicinal chemistry.

Build production-ready GraphQL servers with schema design, resolvers, and subscriptions. Use when building GraphQL APIs with schemas and resolvers. Trigger with phrases like "build GraphQL API", "create GraphQL server", or "setup GraphQL".

Generate client SDKs in multiple languages from OpenAPI specifications. Use when generating client libraries for API consumption. Trigger with phrases like "generate SDK", "create client library", or "build API SDK".

Create distributable Python packages with proper project structure, setup.py/pyproject.toml, and publishing to PyPI. Use when packaging Python libraries, creating CLI tools, or distributing Python code.

Create and manage datasets on Hugging Face Hub. Supports initializing repos, defining configs/system prompts, streaming row updates, and SQL-based dataset querying/transformation. Designed to work alongside HF MCP server for comprehensive dataset workflows.

Execute Juicebox production checklist. Trigger: "juicebox production", "deploy juicebox".

Execute Juicebox enrichment and outreach workflow. Trigger: "juicebox enrich", "candidate enrichment", "talent pool".

Expert patterns for Clerk auth implementation, middleware, organizations, webhooks, and user sync Use when: adding authentication, clerk auth, user authentication, sign in, sign up.