Adds the /opengradient-sdk skill to Claude Code, providing guidance for the OpenGradient Python SDK - a decentralized AI inference platform. Helps write correct, idiomatic code for verified LLM inference via TEE, x402 payment settlement, multi-provider models (OpenAI, Anthropic, Google, xAI), on-chain ONNX model inference, LangChain agent integration, digital twins chat, and model hub operations.