Fistacho / ha-nexus-agent Star 9 Code Issues Pull requests MCP server for Home Assistant — 264 tools across 27 domains: entities, automations, dashboards, energy, voice, HACS, Supervisor, Card Builder (with embedded block schema), BM25 tool search, aggregated snapshot, automation trace debug, git versioning home-automation mcp vscode smart-home home-assistant cursor homeassistant claude lovelace ai-agent anthropic model-context-protocol mcp-server fastmcp claude-code card-builder Updated May 18, 2026 Python