Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.
Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.
Is it safe?
No known CVEs for arduino-mcp-server.
No authentication — any process on your machine can connect to this server.
License not specified.
Last scanned 0 days ago.
Is it maintained?
Last commit 26 days ago. 8 GitHub stars. 42 weekly downloads.
Will it work with my client?
Transport: stdio. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
How much context will it use?
21 tools. Estimated ~900 tokens of your context window (0.4% of 200K). Consider loading selectively — this is a heavy server.
What if it doesn't work?
Common issues: JSON syntax errors in config, wrong Node.js version, npx cache. covers troubleshooting.
{
"mcpServers": {
"arduino": {
"env": {
"ARDUINO_CLI_PATH": "arduino-cli",
"ARDUINO_SKETCH_ROOT": "/path/to/your/sketches"
},
"args": [
"-y",
"arduino-mcp-server"
],
"command": "npx"
}
}
}Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y arduino-mcp-server 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
arduino_cli_doctorCheck Arduino CLI installation and version
install_arduino_cliGuide through arduino-cli installation
detect_hardwareDetect connected boards and infer FQBNs
list_connected_boardsList all connected Arduino boards
list_serial_portsList available serial ports
ensure_core_installedCheck/install board cores
compile_sketchCompile a sketch for a target board
upload_sketchUpload compiled sketch to a board
upload_and_wait_readyUpload and wait for device ready signal
serial_open_sessionOpen a stateful serial session
arduino://boards/referenceStructured board pin/capability reference
arduino://boards/reference
arduino-cli-bootstrap-policyPolicy for arduino-cli setup behavior
arduino-setup-assistantGuided Arduino environment setup
Last scanned 7h ago
No known vulnerabilities.
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