IDE & Editors

Generate comprehensive API documentation including OpenAPI/Swagger specifications, endpoint references, SDK documentation, and integration guides from code or specifications

Ruby/RSpec testing guidelines and workflow following project conventions. Use when writing or improving Ruby tests.

Provides simple script for safely starting the server. Use whenever you need to start ./cmd/reddit-server. Ex - "start the server..." "Debug the frontend...".

Agent-optimized Test-Driven Development workflow based on research from Codex, CodeT, Self-Debugging, TICoder, and SWE-bench Verified. Use when fixing bugs (generate fail-to-pass test first), implementing new features (acceptance tests first), or when user requests "TDD", "test-first", or "test-driven" approach. Provides high-confidence code changes with comprehensive test coverage.

A workflow for capturing evidence and citations to create reproducible analyses and audit trails.

TypeScript guidelines covering type safety, RORO pattern, complexity limits, and error handling patterns. Use when writing TypeScript code.

Comprehensive content marketing skill for creating blog posts, social media content, and SEO-optimized materials. Includes brand voice development, content templates, SEO analysis tools, and social media optimization strategies. Use when creating any marketing content, developing brand guidelines, optimizing for SEO, or planning content calendars.

Orchestrate comprehensive planning phase from ideation to development-ready specifications using 4 specialized agents

Expert guidance on writing in Chamath Palihapitiya's communication style across 5 formats (Annual Letters, Customer Briefs, Emails, Policy Ideas Briefs, Learn with Me Presentations). Use when helping with any writing task, document creation, editing, reviewing communications, or answering questions about how to write something. Includes 10 universal principles, format-specific playbooks, internal team email guidance, templates, decision frameworks, and quality control checklists. MODULAR ARCHITECTURE: Optimized for LLM consumption with selective context loading (core + format).

Provides guidance on spec-driven, test-driven, iterative development methodology. Activated when user asks about MVP-first development, iterative workflows, TDD cycles, specification writing, or how to structure feature development.

Guidelines for creating evaluation suites, including spec.md templates, rubric structures, and code-based validation patterns. Use this when creating new evals or updating existing ones.

Create bold, high-end, production-grade frontend interfaces with the mindset of a professional UI/UX designer and frontend engineer. This skill is used when the user asks to design or redesign web interfaces (components, pages, dashboards, or applications) that must feel intentional, distinctive, and non-generic.The model should actively draw inspiration from a wide range of real-world design references (e.g. modern product interfaces, editorial layouts, design systems, experimental web design, trends seen on platforms like Pinterest, Awwwards, Dribbble), without copying any single source.The output must be real, implementation-ready code, but should avoid rigid, template-like, or overly symmetric “AI-looking” components. Layouts, spacing, typography, hierarchy, and interaction patterns should feel designed, not generated.Preference is given to strong visual direction, thoughtful UX decisions, and controlled experimentation over safe or conventional UI patterns.

Analyze therapy session transcripts or journal entries. Identifies cognitive patterns, emotional themes, and tracks progress over time. Automatically references recent analyses for context. Use for session analysis, journal reflection analysis, or pattern identification.

Analyze TypeScript errors and provide detailed diagnostics with root cause analysis and specific fix recommendations

Provide repository-wide documentation guidelines under `docs/`. Use tool-based inspection first, and keep `README.md` and `docs/` in sync with the current state of the app.

Production monitoring, observability, SLO/SLI management, and incident response.Trigger terms: monitoring, observability, SRE, site reliability, alerting, incident response,SLO, SLI, error budget, Prometheus, Grafana, Datadog, New Relic, ELK stack, logs, metrics,traces, on-call, production monitoring, health checks, uptime, availability, dashboards,post-mortem, incident management, runbook.Completes SDD Stage 8 (Monitoring) with comprehensive production observability:- SLI/SLO definitions and tracking- Monitoring stack setup (Prometheus, Grafana, ELK, Datadog, etc.)- Alert rules and notification channels- Incident response runbooks- Observability dashboards (logs, metrics, traces)- Post-mortem templates and analysis- Health check endpoints- Error budget trackingUse when: user needs production monitoring, observability platform, alerting, SLOs,incident response, or post-deployment health tracking.

Review React components for best practices, hooks usage, performance issues, accessibility, and TypeScript type safety. Use when you need to audit existing React components or provide code review feedback.

Comprehensive guide for accessing and automating Apple Mail using AppleScript, including reading emails, sending messages, and managing mailboxes.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Third-party application installation for Bazzite. CoolerControl, DisplayLink,JetBrains Toolbox, OpenRazer, tablet drivers, scrcpy, and more. Use when usersneed to install hardware-specific or specialized applications.