How do I install ccu-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 40 (Fair). The formula is published on the methodology page.

MCPpedia

ccu-mcp MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

ccu-mcp MCP Server

Name: ccu-mcp MCP Server
Author: claymore666

MCP server for controlling HomeMatic smart home devices via the CCU JSON-RPC API

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40Fair

Install

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

{
  "mcpServers": {
    "claymore666-ccu-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ccu-mcp@1.11.4"
      ],
      "env": {
        "CCU_HOST": "",
        "CCU_PASSWORD": "YOUR_CCU_PASSWORD",
        "CCU_USER": "Admin",
        "CCU_HTTPS": "false",
        "CCU_PORT": "80",
        "CACHE_DIR": "/data",
        "MCP_ALLOWED_ORIGINS": "",
        "MCP_ALLOWED_HOSTS": "",
        "CCU_PROFILES": "",
        "CCU_DEFAULT_PROFILE": "",
        "CCU_TLS_VERIFY": "false",
        "CCU_TLS_FINGERPRINT": "",
        "CCU_CA_CERT": "",
        "CCU_TIMEOUT": "10000",
        "CCU_SCRIPT_TIMEOUT": "30000",
        "CACHE_TTL": "86400",
        "CCU_RATE_LIMIT_BURST": "20",
        "CCU_RATE_LIMIT_RATE": "10",
        "RESOURCE_POLL_INTERVAL": "60",
        "LOG_LEVEL": "info"
      }
    }
  }
}

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Environment

Name	Required	Notes
CCU_HOST	Yes	Hostname or IP of your HomeMatic CCU (debmatic, CCU3, or OpenCCU/RaspberryMatic)
CCU_PASSWORD	Yes	CCU admin password (same as the WebUI login). Must be set; the value may be empty for a CCU with no password Secret.
CCU_USER	No	CCU username
CCU_HTTPS	No	Connect to the CCU via HTTPS (self-signed certificates supported)
CCU_PORT	No	CCU API port (80 for HTTP, 443 for HTTPS)
CACHE_DIR	No	Directory for the device type cache and session persistence
MCP_ALLOWED_ORIGINS	No	Comma-separated allowlist of browser origins. Unset = no cross-origin browser access (default-deny). An allowlisted origin is reflected exactly in Access-Control-Allow-Origin (never '*'); the list also drives DNS-rebinding origin checks
MCP_ALLOWED_HOSTS	No	Extra Host header values accepted by DNS-rebinding protection (comma-separated host:port); add your hostname when behind a proxy or container DNS name
CCU_PROFILES	No	Comma-separated names of multiple CCU targets (e.g. 'prod,dev'). Each profile takes the flat CCU_* settings prefixed CCU_<NAME>_ (CCU_PROD_HOST, ...), plus policy flags CCU_<NAME>_PROTECTED (writes need confirm:true) and CCU_<NAME>_READONLY. Unset = single default profile from the flat CCU_* vars
CCU_DEFAULT_PROFILE	No	Which profile from CCU_PROFILES is active at startup (default: the first listed)
CCU_TLS_VERIFY	No	Verify the CCU's TLS certificate against the system trust store. Only meaningful with CCU_HTTPS=true. Default false, because a CCU ships a self-signed certificate — prefer CCU_TLS_FINGERPRINT or CCU_CA_CERT to verify one of those
CCU_TLS_FINGERPRINT	No	Pin the CCU's self-signed leaf certificate by its SHA-256 fingerprint (hex, colons optional). The strongest option for an appliance: the connection is rejected unless the presented certificate matches. Takes precedence over CCU_CA_CERT
CCU_CA_CERT	No	Path to a PEM file holding the CCU's CA or self-signed certificate. The connection is then validated against it with standard chain verification
CCU_TIMEOUT	No	Timeout for a CCU JSON-RPC call, in MILLISECONDS
CCU_SCRIPT_TIMEOUT	No	Timeout for HomeMatic Script execution (ReGa), in MILLISECONDS — scripts are slower than plain API calls
CACHE_TTL	No	Lifetime of the on-disk device-type schema cache, in SECONDS
CCU_RATE_LIMIT_BURST	No	Token-bucket burst size for CCU requests — how many may be issued back to back
CCU_RATE_LIMIT_RATE	No	Sustained CCU request rate, in requests per second
RESOURCE_POLL_INTERVAL	No	How often MCP resources are polled for change notifications, in SECONDS
LOG_LEVEL	No	error \| warn \| info \| debug. Logs are structured JSON on stderr

ccu-mcp MCP Server

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