Digital-Simon EMS MCP MCP server

Official MCP server for the Digital-Simon EMS platform by Umweltsicherheit. It allows AI agents to query real-time device status, retrieve measurement values (PV generation, consumption, storage), access historical data trends, and execute switching commands on authorized devices using the user's API key.

Endpoint and access

API key: create a key with the vendor first; your client sends it as an authorization header on every request.

API keyEndpoint checked 2026-10-05Operated by Umweltsicherheit

MCP endpoint (Streamable HTTP)

https://mcp.umweltsicherheit.org/mcp

Vendor documentation

What you can do with it

Query current status and metrics of connected energy devices
Retrieve historical measurement data trends for analysis
Execute switching commands on authorized devices
List all connected instances and connectors

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http digital-simon-ems-mcp https://mcp.umweltsicherheit.org/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add digital-simon-ems-mcp --url https://mcp.umweltsicherheit.org/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable digital-simon-ems-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "digital-simon-ems-mcp": {
      "url": "https://mcp.umweltsicherheit.org/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "digital-simon-ems-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.umweltsicherheit.org/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start digital-simon-ems-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "digital-simon-ems-mcp": {
      "type": "http",
      "url": "https://mcp.umweltsicherheit.org/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http digital-simon-ems-mcp https://mcp.umweltsicherheit.org/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "digital-simon-ems-mcp": {
      "url": "https://mcp.umweltsicherheit.org/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "digital-simon-ems-mcp": {
      "serverUrl": "https://mcp.umweltsicherheit.org/mcp"
    }
  }
}

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