Expert guidance for LangGraph Python library. Build stateful, multi-actor applications with LLMs using nodes, edges, and state management. Use when working with LangGraph, building agent workflows, state machines, or complex multi-step LLM applications. Requires langgraph, langchain-core packages.
Comprehensive Slint GUI development expert based on official source code. Covers Rust integration, component design, layouts, styling, animations, cross-platform deployment, and performance optimization. Use when working with Slint UI toolkit, building native GUI applications, or when mentioning Slint, GUI development, or Rust user interfaces. Built with official documentation and examples.
Expert guidance for Mermaid.js diagramming library. Create flowcharts, sequence diagrams, class diagrams, state diagrams, Gantt charts, git graphs, and block diagrams. Use when working with Mermaid syntax, creating diagrams, or visualizing complex concepts and workflows.
Comprehensive VSCode extension development expert that guides you through creating extensions using the official Yeoman generator tool. Provides interactive setup, configuration guidance, and development workflow support. Covers scaffolding with yo code, extension anatomy, debugging, testing, publishing, and API reference. Features primary access to complete VS Code API documentation at `@source/vscode-docs/api/` for authoritative reference. Use when starting new VSCode extensions, setting up development environment, configuring extension manifests, debugging extensions, or when mentioning VSCode extension creation, TypeScript extensions, plugin development, or editor customization. Built with official VS Code documentation, generator best practices, and complete API reference.
Expert guidance for Feishu (飞书) / Lark OpenAPI Python development. Build Feishu applications, robots, handle event subscriptions, card callbacks, and API integrations. Use when working with Feishu SDK, lark-oapi, building Feishu bots, or mentioning 飞书 development.
Expert guidance for Python logging libraries including structlog, standard logging, and log analysis. Use when working with Python logs, troubleshooting logging issues, implementing logging best practices, or analyzing structlog source code implementation. Includes complete structlog source code in source/structlog/ for deep implementation analysis. Requires structlog package.
Expert guidance for Rust CLI and TUI development with official examples from clap, inquire, and ratatui libraries. Use when building command-line interfaces, terminal user interfaces, or console applications in Rust. Provides structured patterns, best practices, and real code implementations from official sources.
Expert guidance for uv Python package and project manager. Use when working with uv, Python dependency management, project setup, virtual environments, or when users mention uv commands, pip alternatives, or fast Python package management.