LiveKit Agent integrated with MCP server of Home Assistant
LiveKit Agent integrated with MCP server of Home Assistant. The livekit agent integrated with home assistant mcp server wraps that behind the Model Context Protocol, so an assistant can use it through 6 defined tools rather than through you.
The dashboard UI is a Home Assistant custom integration + Lovelace card that runs the session inside HA: ha-livekit-agent-frontend. Run this worker, install that integration, point both at the same LiveKit project, and you're set.
Being a remote server, there is no local install. You register the endpoint with your client, authorise it once, and the tools appear.
Everything the assistant can do here goes through one of these:
Cost-aware — STT is billed continuously, so it follows the mic: enabled while audioVariable — PurposeHA_URL — Home Assistant base URL. /api/mcp is appended automaticallyHA_TOKEN — Home Assistant long-lived access token (sent as a bearer token)AGENT_NAME — Explicit-dispatch worker name (default ha-agent). Must match the integration's Agent nameSTT_IDLE_TIMEOUT — Seconds after the mic is gated before STT is torn down to save cost (default 120)You will need 6 environment variables: LIVEKIT_URL, LIVEKIT_API_KEY, LIVEKIT_API_SECRET, LIVEKIT_INFERENCE_URL, LIVEKIT_INFERENCE_API_KEY, LIVEKIT_INFERENCE_API_SECRET. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. LiveKit Agent Integrated With Home Assistant's toolset — Cost-aware, Variable, HA_URL and 3 more — is a fair guide to whether it matches your workflow. It is maintained by longcw; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| Cost-aware | STT is billed continuously, so it follows the mic: enabled while audio |
| Variable | Purpose |
| HA_URL | Home Assistant base URL. /api/mcp is appended automatically. |
| HA_TOKEN | Home Assistant long-lived access token (sent as a bearer token). |
| AGENT_NAME | Explicit-dispatch worker name (default ha-agent). Must match the integration's **Agent name**. |
| STT_IDLE_TIMEOUT | Seconds after the mic is gated before STT is torn down to save cost (default 120). |
| Variable | Description | Required |
|---|---|---|
| LIVEKIT_URL | Endpoint or connection string the server talks to. | Yes |
| LIVEKIT_API_KEY | Credential the server authenticates with. | Yes |
| LIVEKIT_API_SECRET | Credential the server authenticates with. | Yes |
| LIVEKIT_INFERENCE_URL | Endpoint or connection string the server talks to. | Yes |
| LIVEKIT_INFERENCE_API_KEY | Credential the server authenticates with. | Yes |
| LIVEKIT_INFERENCE_API_SECRET | Credential the server authenticates with. | Yes |
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