# Hass Mcp

> MCP server for Home Assistant (REST/WebSocket) control

- **Type:** MCP server
- **Install:** `agentstack add mcp-hannoeru-hass-mcp`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [hannoeru](https://agentstack.voostack.com/s/hannoeru)
- **Installs:** 0
- **Category:** [Integrations](https://agentstack.voostack.com/c/integrations)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [hannoeru](https://github.com/hannoeru)
- **Source:** https://github.com/hannoeru/hass-mcp
- **Website:** https://github.com/hannoeru/homeassistant-mcp

## Install

```sh
agentstack add mcp-hannoeru-hass-mcp
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# hass-mcp

An open-source **MCP server** for controlling and querying **Home Assistant**.

- Transport: stdio
- Auth: Home Assistant long-lived token
- API: Home Assistant REST API

## Features

Tools exposed:

- `ha_get_state` — get state for an entity
- `ha_list_states` — list all states (can be large)
- `ha_call_service` — call any service

## Install

```bash
pnpm install
pnpm build
```

## Run

```bash
export HASS_URL="http://homeassistant.local:8123"
export HASS_TOKEN=""

pnpm start
```

## Configure in an MCP client

Example (conceptual):

```json
{
  "mcpServers": {
    "homeassistant": {
      "command": "npx",
      "args": ["-y", "hass-mcp"],
      "env": {
        "HASS_URL": "http://homeassistant.local:8123",
        "HASS_TOKEN": "..."
      }
    }
  }
}
```

## Security

- Treat tokens as secrets.
- Prefer running this server on the same LAN as Home Assistant.
- If your HA is behind Cloudflare Access, run this MCP server on the LAN side.

## License

MIT

## Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [hannoeru](https://github.com/hannoeru)
- **Source:** [hannoeru/hass-mcp](https://github.com/hannoeru/hass-mcp)
- **License:** MIT
- **Homepage:** https://github.com/hannoeru/homeassistant-mcp

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** yes
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/mcp-hannoeru-hass-mcp
- Seller: https://agentstack.voostack.com/s/hannoeru
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.