mermaid-canvasRender Mermaid code into PNG images supporting all 27 Mermaid 11 chart types, with optional upload to Feishu docs, requiring no API keys.
baiduocr-localfallbackProvides 115+ Baidu OCR APIs with automatic EasyOCR local fallback, image preprocessing, token caching, and auto-retry for stable text recognition.
prd-assistant基于三阶段工作流与 MoSCoW 优先级，生成结构化产品需求文档（PRD），支持从零撰写、优化和文档转PRD。