Ha MCP

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to interact with Home Assistant. It runs locally over stdio via the published package.

People who work with hacs and home assistant and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-09-18 · ★ 4,770 · #2 OF 227 MAINTAINED AUTOMATION · VERIFIED 2026-09-18

MIT · Python servers · how we verify → /methodology

01 · Install Ha MCP

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add homeassistant-ai-ha-mcp -- uvx ha-mcp

Claude Desktop / Cursor / VS Code - add to config

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

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · container (OCI image) - can be sandboxed away from your filesystem

license MIT - declared in the repository

pypi package ha-mcp - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.homeassistant-ai is GitHub-verified and matches the repo owner

03 · What Ha MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v8.5.0 · 2026-09-16

Added · Add check_updates action to reload the app store · (#2460) · Migrate to the vendored FastMCP 4.0.3 and MCP SDK 2.2.0 · (#2443) · Add read-only HTTP and Home Assistant webhook endpoints · (#2440) · Make Extra…

v8.4.3 · 2026-09-04

Fixed · Support Core 2026.9 child devices and effective areas · (#2366) · Prove the LLM-API schema conversion inside Home Assistant and finish #2361 · (#2365) · Stop an exclusive schema bound breaking every Anthropic…

v8.4.2 · 2026-09-04

Changed · Update Claude.ai connector setup for the new wizard flow · (#2352) · Fixed · Stop StartupLogCollector deadlocking Home Assistant · (#2360) · Honor allowlist authorization · (#2345) · --- · Publish dev addon…

04 · Who maintains Ha MCP

ha-mcp is maintained by homeassistant-ai. It's the only MCP server we track from this author; the repo dates to Sep 2025.

05 · Facts

category
automation - ranked #2 of 227 actively-maintained automation servers as of 2026-09-18.
release cadence
5 releases in the last 90 days (latest 2026-09-16)
registry
io.github.homeassistant-ai/ha-mcp (active, first published 2025-11-09 · 106 versions)
packages
pypi:ha-mcp · oci:ghcr.io/homeassistant-ai/ha-mcp:8.5.0

06 · Ha MCP FAQ

What is Ha MCP?

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to interact with Home Assistant. It runs locally over stdio via the published package.

Is Ha MCP still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-18 and it shipped 5 releases in the last 90 days. We re-verify nightly.

How do I install Ha MCP?

Run `uvx ha-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Ha MCP run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Ha MCP

head to head · Ha MCP vs Claude Flow · Windows MCP vs Ha MCP · Ha MCP vs Tooluniverse