Cumulocity MCP Server

A Python-based server that provides Cumulocity IoT platform functionality through the MCP (Model Control Protocol) interface. This server enables

Local serverstdioPython

What is the Cumulocity MCP server?

Most developer tooling work still happens through a UI a human drives. Cumulocity MCP server moves it into the conversation instead. A Python-based server that provides Cumulocity IoT platform functionality through the MCP (Model Control Protocol) interface. This server enables seamless interaction with Cumulocity's device management, measurements, and alarm systems.

Getting it running

mcp-server-c8y on PyPI is all you need. Most clients run it directly, so configuration is a few lines and a restart.

The tools it exposes

The server publishes 5 tools. What each one is for:

  • your-tenant-id — Your Cumulocity tenant ID
  • your-username — Your Cumulocity username
  • your-password — Your Cumulocity password
  • Measurements — The Measurements tool exposed by this server
  • Alarms — The Alarms tool exposed by this server

What it needs from you

Configuration is passed through the environment: C8Y_BASEURL, C8Y_TENANT, C8Y_USER, C8Y_PASSWORD, YOUR_BASE64_AUTH_TOKEN. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How it compares

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Cumulocity's toolset — your-tenant-id, your-username, your-password and 2 more — is a fair guide to whether it matches your workflow. It is maintained by Cumulocity-IoT; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Available tools

ToolWhat it does
your-tenant-idYour Cumulocity tenant ID
your-usernameYour Cumulocity username
your-passwordYour Cumulocity password
MeasurementsThe Measurements tool exposed by this server.
AlarmsThe Alarms tool exposed by this server.

How to install the Cumulocity MCP server

"mcpServers": {
  "mcp-c8y": {
    "command": "uvx",
    "args": [
      "mcp-server-c8y",
      "--transport",
      "stdio"
    ],
    "env": {
      "C8Y_BASEURL": "https://your-cumulocity-instance.com",
      "C8Y_TENANT": "your-tenant-id",
      "C8Y_USER": "<your-username>",
      "C8Y_PASSWORD": "<your-password>"
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
C8Y_BASEURLEndpoint or connection string the server talks to.Yes
C8Y_TENANTConfiguration value read at startup.Optional
C8Y_USERConfiguration value read at startup.Optional
C8Y_PASSWORDConfiguration value read at startup.Optional
YOUR_BASE64_AUTH_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • Use Cumulocity to your-tenant-id.
  • Use Cumulocity to your-username.
  • Use Cumulocity to your-password.

Frequently asked questions

It connects Cumulocity to MCP-compatible AI assistants such as Claude and Cursor, exposing 5 tools (your-tenant-id, your-username, your-password, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Cumulocity directly.