xby-blockchain-data-service: DSH Blockchain Data Service Plugin

xby-blockchain-data-service is a blockchain data query plugin designed for DeepSeek Harness (DSH). Based on the MCP protocol, it provides read-only services, supporting key management, EVM chain information queries, account and token balance queries, read-only contract interactions, transaction detail retrieval, and metadata retrieval for multiple token standards, including NFTs. This plugin aims to simplify the integration of on-chain data in agent development. An API key must be obtained through the Xiaobenyang official website, and it is primarily intended for local development and debugging.