"An overview or explanation of 思维链 (Chain of Thought)" matching MCP connectors:

DocWand signs and fills PDFs without uploading them anywhere. Attach a PDF to the chat and say what you need — "fill out this form and sign it with my name" — and DocWand opens an interactive widget: form fields pre-filled from your message, a handwritten-style signature ready to place, checkboxes you tick with one click, and click-to-type on flat documents. The whole PDF engine runs inside the wi

MCP server for Api2Pdf — generate PDFs & images from HTML, URLs or office files; merge, barcodes.

Search and download icons, illustrations, elements and emojis in PNG or SVG formats.

Search, browse, and read your Dropbox files. Find documents by name or content, list folders, and…