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
Fistacho/ha-nexus-agent is an MCP server distributed on github, maintained by Fistacho, tracked here since June 2026. It has shipped 24 releases and exposes 305 tools. Tools include abort_config_flow, abort_options_flow, activate_scene, add_battery_source, add_card_to_view, add_custom_repository, and 299 more. Its composite risk grade is C — an inferred review prompt computed from observed signals, not a verdict.
Reading the source raised 2 review prompts — dangerous code and exfiltration combo — each a pattern worth a human look rather than a finding of fault.
Since the previous scan on 2026-09-01: 4 tools removed.
full security breakdown →-
abort_config_flow -
abort_options_flow -
activate_scene -
add_battery_source -
add_card_to_view -
add_custom_repository -
add_dashboard_resource -
add_grid_consumption -
add_grid_return -
add_item -
add_solar_source -
add_view_to_dashboard -
append_to_config_file -
assign_entity_to_area -
assign_label_to_device -
assign_label_to_entity -
build_from_recipe -
build_styles -
bulk_control -
bulk_set_entity_exposure
| version | date | src |
|---|---|---|
| v0.19.1 | 2026-08-06 | github |
| v0.19.0 | 2026-06-30 | github |
| v0.18.1 | 2026-06-18 | github |
| v0.18.0 | 2026-06-18 | github |
| v0.17.0 | 2026-06-18 | github |
| v0.16.0 | 2026-06-13 | github |
| v0.15.0 | 2026-06-13 | github |
| v0.14.0 | 2026-05-18 | github |
| v0.13.0 | 2026-05-17 | github |
| v0.12.0 | 2026-05-17 | github |