Ha MCP Server

by homeassistant-ai Your server? Claim it

local only

Ha MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 108 900 installs a week from pypi. Last commit 2 Nov 2026.

Comprehensive Model Context Protocol server for managing Home Assistant through AI assistants.

Installs per day peak 29 682 · avg 11 565 · +54% w/w

a month agotoday

108 900

Installs / week

pypi · ha-mcp

5 399

Stars

4 open issues

2 Nov 2026

Last commit

from GitHub

MIT

License

Python

What the code does

We read the source, 23 h ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Checks whether it runs in a sandbox src/ha_mcp/update_check.py:255, [пакет] src/ha_mcp/update_check.py:255, src/ha_mcp/__main__.py:1048 и ещё 4

    return os.path.exists("/.dockerenv") or os.path.exists("/run/.containerenv")

Executes code built at runtime src/ha_mcp/_vendor/websockets/imports.py:28, [пакет] src/ha_mcp/_vendor/websockets/imports.py:28, [пакет] src/ha_mcp/utils/python_sandbox.py:386 и ещё 2

    module = __import__(source[level:], namespace, None, [name], level)

Runs an external command src/ha_mcp/stdio_settings_sidecar.py:946, [пакет] src/ha_mcp/stdio_settings_sidecar.py:946, src/ha_mcp/_vendor/fastmcp/cli/install/claude_code.py:30 и ещё 19

        proc = subprocess.Popen(cmd, **popen_kwargs)

Runs with shell=True src/ha_mcp/_vendor/mcp/cli/cli.py:48, [пакет] src/ha_mcp/_vendor/mcp/cli/cli.py:48

                subprocess.run([cmd, "--version"], check=True, capture_output=True, shell=True)

Unsafe deserialization src/ha_mcp/_vendor/fastmcp/server/providers/skills/_common.py:117, src/ha_mcp/_vendor/fastmcp/skills/_snapshot.py:68, src/ha_mcp/visibility/config_files.py:51 и ещё 3

        parsed = yaml.load(frontmatter_text, Loader=yaml.BaseLoader)  # noqa: S506

Known vulnerability in the package ha-mcp · GHSA-fmfg-9g7c-3vq7

Known vulnerability in the package ha-mcp · GHSA-g39v-cvjh-8fpf

Known vulnerability in the package ha-mcp · GHSA-pf93-j98v-25pv

Known vulnerability in the package ha-mcp · GHSA-q855-8rh5-jfgq

Known vulnerability in the package ha-mcp · PYSEC-2026-2507

Known vulnerability in the package ha-mcp · PYSEC-2026-2508

Page executes code built at runtime site/src/layouts/Layout.astro:426

            btn.innerHTML = copyIcon;

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add ha-mcp -- uvx ha-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ha-mcp": {
      "command": "uvx",
      "args": [
        "ha-mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.ha-mcp]
command = "uvx"
args = ["ha-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "ha-mcp": {
      "command": "uvx",
      "args": [
        "ha-mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "ha-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "ha-mcp"
      ]
    }
  }
}

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Ha MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Ha MCP?

Ha MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package ha-mcp was installed 108 900 times last week.

How do I connect Ha MCP?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls ha-mcp straight from pypi; nothing to host, nothing to sign up for.

How many people use Ha MCP?

The pypi package ha-mcp was installed 108 900 times in the last week. Week over week that is +54%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Ha MCP open source?

Yes — it is published under the MIT licence, written in Python, 5 399 stars on GitHub and 4 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.