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Command-line interface for Audacity - A stateful command-line interface for audio editing, following the same patterns as the GIMP and Ble...

YC Office Hours — two modes. Startup mode: six forcing questions that expose demand reality, status quo, desperate specificity, narrowest wedge, observation, and future-fit. Builder mode: design thinking brainstorming for side projects, hackathons, learning, and open source. Saves a design doc. Use when asked to "brainstorm this", "I have an idea", "help me think through this", "office hours", or "is this worth building". Proactively invoke this skill (do NOT answer directly) when the user describes a new product idea, asks whether something is worth building, wants to think through design decisions for something that doesn't exist yet, or is exploring a concept before any code is written. Use before /plan-ceo-review or /plan-eng-review. (gstack)

Pyright fast Python type checker from Microsoft with VS Code integration and strict type checking modes

Ruby refactoring guidelines from community best practices. This skill should be used when refactoring, reviewing, or restructuring Ruby code to improve design,…

SEC EDGAR filing analysis using EdgarTools. Use when user asks about SEC filings, company financials, 10-K/10-Q analysis, insider trading, revenue trends, or…

Build product marketing strategy including positioning, messaging, and go-to-market. Use when the user says "positioning", "messaging framework",…

Use Shopify Polaris Web Components (s-* custom elements) for App Home UI. Use when building App Home surfaces (not embedded apps), designing UI with s-page,…

Terraform and Infrastructure as Code optimization guidelines from Terramate. This skill should be used when writing, reviewing, or refactoring…

Use when animation involves depth, perspective, volume, or three-dimensional awareness—camera moves, character positioning, environmental interaction, or…

Operational traps for Terraform provisioners, multi-environment isolation, and zero-to-deployment reliability. Covers provisioner timing races, SSH connection…

Comprehensive verification workflow before merging changes to production.

This skill should be used when fetching, searching, downloading, sending, editing, or publishing messages on Telegram. Use for queries like "show my Telegram…

DigitalOcean storage services including Spaces object storage, Volumes block storage, NFS, Snapshots, and Backups. Use when selecting or managing storage for…

Use when configuring QueryClient, implementing mutations, debugging performance, or adding optimistic updates with @tanstack/react-query in Next.js App Router.…

Expert-level precision agriculture, farm management systems, crop monitoring, and agtech

Ruby on Rails performance and maintainability optimization guidelines for building backend APIs and frontend web applications. This skill should be used when…

Use when writing, reviewing, or refactoring React component tests with Testing Library. Load when you see render(), screen, fireEvent, userEvent, waitFor, or…

TDD iteration loops using Claude Code Stop hooks - runs tests after each response, feeds failures back automatically

Browser accessibility testing using Playwright and @axe-core/playwright. Keyboard scans, contrast verification, and accessibility tree snapshots.

Discover and understand project rules, coding standards, and architectural guidelines before starting a task. Use when you need to know the constraints,…