ECU Simulator

Verified Integration

Author: @simulating•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect ECU Simulator to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "ecu-simulator": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-ecu-simulator"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Surfaces vehicle CAN/OBD data to large language models by simulating ECUs on a virtual bus, decoding with DBCs, and exposing tools via Server-Sent Events.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for ECU Simulator

No, the ECU Simulator operates entirely on a virtual CAN bus by default, meaning no physical vehicle or hardware interfaces are required. This allows for development and testing without physical automotive components. Optional SocketCAN/vCAN support is available for Linux.

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