Fistacho / ha-nexus-agent Star 12 Code Issues Pull requests MCP server for Home Assistant — 292 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 Jun 30, 2026 Python