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mcp/harbor
Gemini CLI

J-Link MCP for Gemini CLI

io.github.klievan/jlink-mcp

Debug embedded firmware on real hardware: J-Link probes, Cortex-M faults, RTT logs, GDB.

client:Gemini CLI transport:stdio runtime:npm

Install J-Link MCP in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "jlink-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "jlink-mcp"
      ],
      "env": {
        "JLINK_DEVICE": "<JLINK_DEVICE>",
        "JLINK_SERIAL": "<JLINK_SERIAL>",
        "SVD_PATH": "<SVD_PATH>",
        "JLINK_RTT_ADDR": "<JLINK_RTT_ADDR>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

J-Link MCP in other clients

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