Content Credentials Python Packages

remove-ai-watermarks

AI watermark remover. CLI and Python library to strip visible and invisible AI watermarks (Gemini / Nano Banana sparkle, SynthID) and provenance metadata (C2PA, EXIF, IPTC) from images.

c2pie

The world's first c2pa standard implementation that supports PDF-files signing.

langchain-chronoverify

Drop-in recipes to give any AI agent image capture-time and provenance verification with ChronoVerify: MCP one-click install, OpenAI/Claude tool defs, LangChain/LlamaIndex/CrewAI/n8n, and REST.