nrf-mcp

MCP server for nRF54L15DK — lets Claude (or any MCP client) build, flash, and read logs from nRF boards directly.

What it does

Tool	Description
build	Run west build with auto board detection
flash	Run west flash, optionally build first, supports multi-board via --snr
read_uart_logs	Stream UART logs from the board for N seconds
reset_board	Hard reset via nrfjprog
list_boards	List connected J-Link boards and serial ports
get_build_info	Read build_info.yml and .vscode-nrf-connect.json from a build dir

Packages

Package	Platform	Install
nrf_mcp_ts/	npm (TypeScript)	npm install -g nrf-mcp
nrf_mcp/	PyPI (Python)	pip install nrf-mcp

Quick start

Claude Code

claude mcp add nrf -- npx nrf-mcp

Claude Desktop

{
  "mcpServers": {
    "nrf": {
      "command": "npx",
      "args": ["nrf-mcp"]
    }
  }
}

Prerequisites

• nRF Connect SDK
• J-Link tools
• Node.js >= 18 (for TypeScript version) or Python >= 3.10 (for Python version)

Auto-detection

No configuration needed for standard nRF Connect SDK installations. The server auto-detects:

• Toolchain from ~/ncs/toolchains/
• SDK from ~/ncs/v*/
• Board target from build/.vscode-nrf-connect.json

See nrf_mcp_ts/README.md for full configuration options.

License

MIT