Hass MCP Server

Unclaimed

by ganhammar

A Home Assistant Custom Component that provides an MCP (Model Context Protocol) server using HTTP transport, allowing AI assistants like Claude to interact with your Home Assistant instance over HTTP

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Tools (40)

adjust_statistics

Correct a statistic's sum from a point in time onward (spike/bad reset); sum statistics only

batch_get_state

Get state for multiple entities in one call (max 50)

call_service

Call any Home Assistant service

clear_statistics

Permanently delete a statistic's history so it can start clean (irreversible; requires confirm=true)

create_automation

Create a new automation

create_calendar_event

Create a one-off calendar event (local calendars; entity API)

create_helper

Create a new helper (inputboolean, inputnumber, inputtext, inputselect, inputdatetime, inputbutton, counter, timer, schedule) (experimental)

create_recurring_calendar_event

Create a recurring calendar series with RRULE (local calendars)

create_scene

Create a new scene

create_script

Create a new script

delete_automation

Delete an automation

delete_calendar_events

Delete events by uid or summary filter (supports dryrun preview)

delete_scene

Delete a scene

delete_script

Delete a script

fire_event

Fire a custom event on the Home Assistant event bus

get_automation_config

Get full configuration of a single automation

get_device_details

Get a device and every entity registered to it (all domains), with optional states

get_helper_config

Get the raw stored configuration of a UI-managed helper (experimental)

get_history

Get state history of an entity over a time range

get_logbook

Fetch logbook entries for an entity or time range

get_scene_config

Get full configuration of a single scene

get_script_config

Get full configuration of a single script

get_state

Get the current state of any entity (optional fields to limit attributes)

get_statistics

Fetch long-term statistics (energy, climate) with configurable period

get_trace

Get the full step-by-step execution trace of one run — which trigger fired, which conditions passed/failed, and the variables at each step (summary=true for an outline of large traces)

list_automations

List all automations with full configuration

list_calendar_events

List events in a time window (uid for deletes; descriptions omitted by default)

list_entities

List all entities, with optional domain, detailed, and fields parameters

list_helpers

List all helper entities, optionally filtered by domain

list_scenes

List all scenes with full configuration

list_scripts

List all scripts with full configuration

list_statistic_ids

List statistic IDs and their metadata (source, unit, whether they carry a mean/sum)

list_traces

List recent execution traces for an automation/script (or a whole domain), newest first

render_template

Evaluate a Jinja2 template

search_entities

Search entities by friendly name, device class, domain, or area

update_automation

Update an existing automation

update_helper

Update an existing UI-managed helper by entity ID (experimental)

update_scene

Update an existing scene

update_script

Update an existing script

validate_statistics

Report statistics issues the recorder detected — the Developer Tools "Fix issues" list