DSHX: MCP/Skill/Memory Management Plugin for DeepSeek Harness

dshx is a community management tool for DeepSeek Harness (dsh), designed to streamline the integration and maintenance of MCP servers, skills, and global memory. Its core advantage lies in performing connection self-checks before writing, rejecting malformed configurations, supporting migration of existing configurations from Claude Code and Codex, and allowing API keys to be referenced via environment variables for enhanced security. The tool can be used both as a command-line utility and as a dsh plugin, offering the `/mcp` command and visual card operations in the web interface. Its features cover CRUD operations and testing for MCP servers, installation or updates of skills from GitHub or local sources, and migration of global memory. Installation requires Node.js >=22.19, via npm global install or `dsh pl