Countdown - pre-implementation validation. Runs oracle (Opus) for planning, then Go Poll with review agents (Haiku) to validate before coding starts.

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).

C++ coding standards and best practices.

Meta-skill for generating SOP skills that autonomous agents can execute without human intervention.

Analyze git changes and create changesets for package releases. Use when preparing pull requests, creating PRs, when branch has commits ready for review, or when user mentions changeset or version bump.

Generate comprehensive coverage report with requirement traceability mapping. Shows coverage per REQ-*, gaps, trends, and recommendations. Use for status dashboards, quality reviews, or compliance audits.

Create a GitHub issue with extra review and triage detail; use when a thorough or multi-perspective issue write-up is needed.

Generate structured LaTeX exam cheat sheets from course materials. Extracts key concepts, definitions, formulas from PDFs, Jupyter notebooks, and markdown files. Compiles to PDF with error checking.

Scaffolds a new design in the design-inspirations repo with preview component, detail page, and main page entry. Use when creating a new design, adding a design inspiration, or scaffolding design files.

Create an Azure DevOps pull request using az devops tooling; include the repo’s linear-history merge preference and ask the Maintainer if merge options differ.

Create comprehensive GitHub pull requests with quality validation

Creates GitHub pull requests with properly formatted titles that pass the check-pr-title CI validation. Use when creating PRs, submitting changes for review, or when the user says /pr or asks to create a pull request.

Create GitHub pull requests with proper issue linking, comprehensive descriptions, and quality metrics for WescoBar project

Use to create QA task documents. Generates test specifications and validation requirements for QA team.

Build interactive CLI questionnaires with validation, conditional logic, parameter mapping, and review capabilities using the question-and-answer library

Detailed implementation guide for generating bug fix release notes from Jira and GitHub PRs

Generate review checklists for different change types. Use to customize review focus based on what was changed.

Use when creating or updating pull requests with comprehensive descriptions and meaningful commits - streamlines PR workflow with branch management and commit best practices

**YOU MUST NEVER add Claude Code attribution to pull requests.**

Use when creating a pull request or preparing changes for review. Ensures PR titles and descriptions accurately reflect ALL changes in the branch AND link to related GitHub issues. Prevents accidentally omitting files, changes, or issue references from PR descriptions.

Creates high-quality pull requests with comprehensive descriptions, test plans, and context. Activates when user wants to create PR, says 'ready to merge', or has completed feature work. Analyzes commits and changes to generate meaningful PR descriptions.

Establish workflow boundary checklists with clear pass/fail criteria and escalation procedures

Subagents are specialized AI instances with focused expertise, isolated context,

Use to verify creative assets meet brand, accessibility, and localization

Write data-driven, evidence-first long-form Twitter posts on medicine and cardiology. Use when the user wants to: (1) Create thought leadership content in the style of Eric Topol, Peter Attia, Andrew Huberman, or Rhonda Patrick, (2) Present clinical evidence with charts, data, and Q1 journal citations for educated non-specialist audiences, (3) Write confident, matter-of-fact medical content that is rigorous without being inaccessible, (4) Explain trials, drugs, or medical phenomena using data visualization and systematic evidence review, (5) Build authority through methodological rigor and clear conclusions backed by evidence. NOT for newsletters or Substack. For Twitter long-form posts only.

Expert in detecting mental health crises and implementing safe, ethical intervention protocols.

Evaluate sermon content from a biblically literate perspective. Assess theological accuracy, scriptural alignment, and exegetical integrity. Identify where claims may overextend biblical support, misapply context, or import assumptions not evident in the text. Use when reviewing sermons, Bible teachings, or theological content for biblical faithfulness.

Perform context-aware critical code review with integrated fix execution.

Use always - non-negotiable rules for TypeScript safety, socket events, and React patterns

Use to enforce stage definitions, next-step requirements, and data completeness

Build and validate cron expressions from natural language. Convert between human-readable schedules and cron syntax with next run preview.

Cross-Review Policy Skill

Renders and validates Crossplane compositions with security and policy checks. Automatically activates when testing compositions, rendering examples, or validating resources with Polaris, kube-linter, and Datree. Works standalone or as part of complete KCL validation workflow.

Automatic mode - shift through all 6 gears sequentially without stopping. Like cruise control or automatic transmission, this runs the entire StackShift workflow from analysis to implementation in one go. Perfect for unattended execution or when you want to let StackShift handle everything automatically.

Audit cryptographic implementations for weak algorithms, insecure defaults, predictable randomness, key management issues, and timing attacks. Use when reviewing security-critical crypto code.

Comprehensive cryptography guidance covering encryption algorithms, password hashing, TLS configuration, key management, and post-quantum considerations. Use when implementing encryption, choosing hashing algorithms, configuring TLS/SSL, managing cryptographic keys, or reviewing cryptographic implementations.

C# code style and naming conventions based on POCU standards. Covers naming rules (mPascalCase for private, bBoolean prefix, EEnum prefix), code organization, C# 9.0 patterns. Use PROACTIVELY for C# code reviews, refactoring, or establishing project standards.

Expert-level C# unit testing skill based on ISTQB standards and best practices. Use this skill when creating, reviewing, or refactoring unit tests for C# applications (.NET/ASP.NET Core). Applies test design techniques, coverage strategies, and quality assurance principles from ISTQB Foundation and Advanced levels.

Comprehensive C# code validation, static analysis, and best practices verification for .NET applications. Use when validating C# code, checking SOLID principles, reviewing async/await patterns, verifying nullable reference types usage, checking Entity Framework queries, ensuring security best practices, or reviewing .NET code quality and architecture.

C# XML documentation with on-demand Haiku→Expert Review→Final workflow. Flexible Korean/English language support. Use when documenting C# APIs, properties, methods, classes, and interfaces.

CSS authoring guidance emphasizing web standards, accessibility, and performance. Use when writing, reviewing, or refactoring CSS. Provides patterns, snippets, and conventions that prioritize native CSS over frameworks, semantic structure, and maintainable code. Refer to references/patterns.md for specific patterns and snippets.

Guide for reviewing modern CSS framework. Use this when asked to review CSS in `packages/css`.

Core JavaScript development standards covering ES modules, modern patterns, code quality, async programming, and tooling

Toolkit to map EdTech programs to academic standards, accreditation,

Synthesize multiple feedback sources to identify high-impact curriculum improvements with implementation guidance and version tracking.

Ensure all curriculum materials meet accessibility standards and implement Universal Design for Learning principles for all learners.

Analyze curriculum materials to identify bias, stereotypes, cultural assumptions, and barriers; recommend inclusive, equitable alternatives.

Conduct expert review of curriculum to ensure pedagogical soundness, constructive alignment, and evidence-based practices.

Comprehensively reviews curriculum materials for quality, consistency, and effectiveness. Use when the user asks to review content, check quality, audit materials, or ensure curriculum meets standards. Provides detailed feedback and improvement recommendations.

Maintain a step-by-step implementation diary as you work, focused on reproducibility (exact commands, file paths, commit hashes) and review efficiency (what to check + how to validate).