search-first
Research-before-coding workflow. Search for existing tools, libraries, and patterns before writing custom code. Invokes the researcher agent.
Swift Concurrency 6.2 (Approachable Concurrency)
Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.
foundation-models-on-device
Apple FoundationModels framework for on-device LLM — text generation, guided generation with @Generable, tool calling, and snapshot streaming in iOS 26+.
Swift Protocol DI Testing
Protocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.
ClickHouse IO
Best practices for ClickHouse database patterns, query optimization, analytics, and data engineering for high-performance analytical workloads.
database-migrations
Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Django, TypeORM, golang-migrate).
api-design
REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.
cost-aware-llm-pipeline
Cost optimization patterns for LLM API usage — model routing by task complexity, budget tracking, retry logic, and prompt caching.
security-scan
Scan your Claude Code configuration (.claude/ directory) with AgentShield to detect security vulnerabilities, misconfigurations, and injection risks. Inspect CLAUDE.md, settings.json, MCP servers, hooks, and agent definitions.
verification-loop
A comprehensive verification system for Claude Code sessions.
swiftui-patterns
SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.
Spring Boot TDD
Test-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Suitable when adding features, fixing bugs, or refactoring.
Eval Harness
Formal evaluation framework for Claude Code sessions implementing Eval-Driven Development (EDD) principles
configure-ecc
Interactive installer for Everything Claude Code — guides selection and installation of skills and rules into user-level or project-level directories, validates paths, and optimizes installed files when necessary.
JPA Patterns
Patterns for JPA/Hibernate entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and connection pooling in Spring Boot.
regex-vs-llm-structured-text
Decision framework for choosing between regex and LLM when parsing structured text — start with regex, add LLM only for low-confidence edge cases.
Django TDD
Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.
Go testing
Go testing patterns including table-driven tests, subtests, benchmarks, fuzzing, and test coverage. Follows TDD methodology with idiomatic Go practices.
postgres-patterns
PostgreSQL database patterns for query optimization, schema design, indexing, and security. Based on Supabase best practices.
Backend Patterns
Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.
Investor Outreach
Draft cold emails, warm intro blurbs, follow-ups, update emails, and investor communications for fundraising. Use when the user wants outreach to angels, VCs, strategic investors, or accelerators and needs concise, personalized, investor-facing messaging.
continuous-learning
Automatically extract reusable patterns from Claude Code sessions and save them as learned skills for future use.
article-writing
Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when voice consistency, structure, and credibility matter.
frontend-patterns
Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.
Security Review
Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides a comprehensive security checklist and patterns.
Java Coding Standards
Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, project layout.
frontend-slides
Create stunning, animation-rich HTML presentations from scratch or by converting PowerPoint files. Use when the user wants to build a presentation, convert a PPT/PPTX to the web, or create slides for a talk or pitch. Helps non-designers discover their aesthetic through visual exploration rather than abstract choices.
content-hash-cache-pattern
Cache expensive file processing results using SHA-256 content hashes — path-independent, auto-invalidating, with service layer separation.
Golang Patterns
Idiomatic Go patterns, best practices, and conventions for building robust, efficient, and maintainable Go applications.
C++ testing
Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or when adding coverage or sanitizers.
tdd-workflow
Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
docker-patterns
Docker and Docker Compose patterns for local development, container security, networking, volume strategies, and multi-service orchestration.
visa-doc-translate
Translate visa application documents (images) to English and create a bilingual PDF with original and translation
nutrient-document-processing
Use the Nutrient DWS API to process, transform, OCR, extract, edit, sign, and fill documents. Supports PDF, DOCX, XLSX, PPTX, HTML, and image files.
content-engine
Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.
deployment-patterns
Deployment workflows, CI/CD pipeline patterns, Docker containerization, health checks, rollback strategies, and production readiness checklists for web applications.
C++ coding standards
C++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.
django-patterns
Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps.
swift-actor-persistence
Thread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.
Continuous Learning v2
An instinct-based learning system that observes conversations via hooks, creates atomic instincts with confidence scores, and evolves them into skills, commands, or agents.
Strategic Compact
It is recommended to perform manual context compaction at logical boundaries to preserve context during task phases, rather than relying on arbitrary automatic compaction.
market-research
Conduct market research, competitive analysis, investor due diligence, and industry intelligence with source attribution and decision-oriented summaries. Use when the user wants market sizing, competitor comparisons, fund research, technology scans, or research that informs business decisions.
Spring Boot Security
Spring Security best practices for authentication/authorization, input validation, CSRF, secrets, headers, rate limiting, and dependency security in Java Spring Boot services.
Investor materials
Create and update pitch decks, one-pagers, investor memos, accelerator applications, financial models, and fundraising materials. Use when the user needs investor-facing documents, projections, use-of-funds tables, milestone plans, or materials that must stay internally consistent across multiple fundraising assets.
iterative-retrieval
A pattern that incrementally refines context retrieval to resolve sub-agent context issues.
Django Security
Django security best practices, authentication, authorization, CSRF protection, SQL injection prevention, XSS prevention, and secure deployment configurations.
python-testing
A Python testing strategy using pytest, TDD techniques, fixtures, mocks, parametrization, and coverage requirements.
e2e-testing
Playwright end-to-end (E2E) testing patterns, Page Object Model (POM), configuration, CI/CD integration, artifact management, and flaky-test strategies.