Petrus-Han

Team progress management with development planning, risk control, and progress tracking. Use when managing multi-person projects, tracking task ownership, or coordinating branch workflows.

First-principles approach to plugin design. Use when designing new plugins, evaluating features, or simplifying existing implementations.

First-principles project management - from idea to execution with maximum efficiency. Use when starting projects, evaluating requirements, or managing development workflow.

Build Dify plugins (Tool, Trigger, Extension, Model, Datasource, Agent Strategy). Use when integrating external APIs, adding webhooks, implementing model providers, connecting data sources, or creating custom agent reasoning strategies. Supports Python SDK with YAML configurations.

Guide for iterating and improving skills. Use when updating an existing skill that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Mercury Bank API reference for accounts, transactions, and recipients. Use when working with Mercury API integration, transaction queries, or payment operations.

QuickBooks Online API reference for creating purchases, deposits, vendors, and querying accounting data. Use when working with QuickBooks entities, OAuth authentication, or financial data synchronization.

Plan a new feature or product from scratch using first-principles thinking. Use when the user says things like: 'I want to build...', 'help me plan...', 'analyze requirements for...', 'plan a feature', 'scope an MVP', 'write a PRD', 'break down this project', or any product/feature planning task.