Data & AI

Add new notes to the Second Brain knowledge base. Use when the user provides a resource (URL, book, podcast, article, GitHub repo, Reddit thread) and asks to "add a note", "create a note", "save this", "add to my notes", "take notes on", or "capture this".

Evidence-based diagnostic and treatment guidance for Feline Infectious Peritonitis (FIP). Use this skill when working with veterinary cases involving FIP or potential FIP, including (1) Differential diagnosis when clinical signs suggest FIP, (2) Interpreting diagnostic test results and determining next steps, (3) Treatment planning with GS-441524 or other antivirals, (4) Monitoring treatment response and adjusting protocols, (5) Managing relapses or treatment failures, (6) Client communication about prognosis and treatment options, (7) Prevention strategies and multi-cat household management, (8) Cattery breeding decisions after FIP cases, (9) Any questions about FIP diagnosis, treatment, prevention, or management. Also use when encountering mentions of FCoV, feline coronavirus, effusive/non-effusive disease forms, GS-441524, or related veterinary scenarios.

Write and run Python tests using pytest with fixtures, mocking, coverage, and the AAA pattern. Use when writing Python tests, creating test files, or setting up pytest configuration.

Understanding GitHub Actions secret types, storage hierarchy, and threat model. Secure patterns for managing credentials, tokens, and sensitive configuration.

Manages server state with TanStack Query (React Query) including data fetching, caching, mutations, and optimistic updates. Use when fetching API data, caching responses, handling loading states, or syncing server state.

Create complete Claude Code agents for the Traycer enforcement framework. This skill should be used when creating new agents or updating existing agents. Creates all agent components including system prompt, hooks, skills, commands, scripts, and reference docs. Also updates coordination documents that list available agents. Based on Anthropic's official agent development best practices.

슬래시 커맨드용 프롬프트 생성. 프롬프트/커맨드 생성 요청 시 사용.

Expert assistant for keeping documentation synchronized with code changes in the KR92 Bible Voice project. Use when updating API docs, maintaining architecture diagrams, syncing README, updating CLAUDE.MD, or generating documentation from code.

Integration testing patterns for ABP Framework APIs using xUnit and WebApplicationFactory. Use when: (1) testing API endpoints end-to-end, (2) verifying HTTP status codes and responses, (3) testing authorization, (4) database integration tests.

Guides the planning of a microservices architecture. Use this skill when asked to design, plan, or architect a system using microservices. This skill helps with service boundary identification, communication pattern selection, data management, and defining service contracts.

Data warehouse design mastery with star schema, dimensional modeling, fact/dimension tables, slowly changing dimensions, and enterprise best practices. Complete schema examples included.

Manage Cloudflare infrastructure including DNS records, zones, SSL/TLS, caching, firewall rules, Workers, Pages, and analytics. Use when working with Cloudflare APIs, creating or modifying DNS records, managing domain security, purging cache, deploying Workers/Pages, or analyzing traffic. Created by After Dark Systems, LLC.

Verify the junior can explain and defend every line of code they wrote. This gate BLOCKS completion if failed.

Auto-activates when writing or editing prose in the manuscript/ directory. Applies Max Ghenis's direct, active voice, data-driven writing style.

This skill provides comprehensive knowledge for integrating Neon serverless Postgres and Vercel Postgres (which is built on Neon infrastructure) into web applications. It should be used when setting up serverless Postgres databases, configuring connection pooling for edge and serverless environments, implementing database branching workflows, or troubleshooting Postgres connection issues in Cloudflare Workers, Vercel Edge Functions, or Node.js serverless functions.Use this skill when:- Setting up Neon Postgres for Cloudflare Workers, Vercel Edge, or serverless environments- Configuring Vercel Postgres for Next.js applications- Implementing database branching workflows (git-like database branches)- Integrating Drizzle ORM or Prisma with Neon/Vercel Postgres- Debugging connection pool errors, transaction timeouts, or SSL configuration issues- Migrating from D1/SQLite to Postgres or from traditional Postgres to serverless Postgres- Setting up point-in-time restore (PITR) or database backups- Encounteri

Maintain in-repo documentation for the widget host app: doc templates, ADRs, and architecture diagrams. Use when creating or updating docs under `docs/`, or when standardizing doc formats for contributors.

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.

自然言語でBI/可視化を回す設計（WrenAI等）。意思決定速度を上げるダッシュボード設計で使う。

Self-improvement loop for multi-agent workflows. Diagnose failures, improve tool descriptions, and learn from success/failure patterns.

Write token-efficient documentation for LLM context. Use when creating CLAUDE.md, README, technical docs, agent instructions, or any documentation consumed by AI assistants.