发现优质的 AI Agent 技能
聚合 Claude Skills、LangChain、AutoGPT 等优质资源，助力开发者快速构建智能应用
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PDFtk provides an installer for Windows. Many Linux distributions provide a PDFtk package you can download and install using their package manager.
PDFtk Server
PDFtk Server is a command-line tool for working with PDF documents. It can merge, split, rotate, encrypt, decrypt, watermark, stamp, fill forms, extract metadata, and manipulate PDFs in a variety of ways.
Laiye Agentic Document Processing (ADP)
Agentic Document Processing API — convert 10+ file formats (.jpeg, .jpg, .png, .bmp, .tiff, .pdf, .doc, .docx, .xls, .xlsx) to structured JSON/Excel with per-field confidence scores using VLM and LLM.
Nutrient Document Processing (OpenClaw Native)
Best for OpenClaw users. Process documents directly in OpenClaw conversations — PDF conversion, text/table extraction, OCR, PII redaction, digital signatures, and watermarking via native `nutrient_*` tools.
InvoiceForge API Skill
Generate professional PDF invoices using VCG's InvoiceForge API — pure software invoice generation with automatic calculations, PDF rendering, and invoice management.
PDF Reader Skill
The `pdf-reader` skill provides functionality to extract text and retrieve metadata from PDF files using PyMuPDF (fitz).