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Arduino MCP Server

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Connector by hardware-mcp · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 22
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Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/hardware-mcp-arduino-mcp-server

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Reviews

Write a review

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
13 read · 0 write · 8 delete
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 21

Read from the source code; the running server may list different tools.

Read 13 · Look things up without changing anything.

  • arduino_cli_doctor
  • detect_hardware
  • get_board_details
  • list_board_reference
  • list_connected_boards
  • list_serial_ports
  • list_supported_boards
  • read_serial_snapshot
  • safety_preflight
  • search_board_reference
  • serial_expect
  • serial_list_sessions
Show 1 more tools
  • serial_read

Delete 8 · Delete, drop, revoke or wipe things.

  • compile_sketch
  • ensure_core_installed
  • install_arduino_cli
  • serial_close_session
  • serial_open_session
  • serial_write
  • upload_and_wait_ready
  • upload_sketch

Secrets and settings it asks for

Other settings (environment variables or headers).

  • ARDUINO_CLI_PATH
  • ARDUINO_SKETCH_ROOT

Network hosts it talks to 7

  • docs.arduino.cc · found in code
  • docs.espressif.com · found in code
  • github.com · found in code
  • randomnerdtutorials.com · found in code
  • raw.githubusercontent.com · found in code
  • store.arduino.cc · found in code
  • wiki.seeedstudio.com · found in code

Files it touches

  • /home/linuxbrew/.linuxbrew/bin/arduino-cli
  • /opt/homebrew/bin/arduino-cli
  • Your home directory (~)
  • C:\\path\\to\\arduino-cli.exe

Tools (21)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • arduino_cli_doctorArduino CLI Doctorread-only

    Check whether arduino-cli is available and return OS-specific installation instructions if missing.

  • compile_sketchCompile Sketchcan change or delete data

    Compile an Arduino sketch with a specific board FQBN.

  • detect_hardwareDetect Hardwareread-only

    Detect connected Arduino-compatible hardware, infer board/FQBN candidates, and generate next compile/upload commands.

  • ensure_core_installedEnsure Core Installedcan change or delete data

    Ensure the Arduino core required by a board FQBN is installed. Can auto-install via `arduino-cli core install`.

  • get_board_detailsGet Board Detailsread-only

    Get detailed board metadata from arduino-cli for a specific FQBN.

  • install_arduino_cliInstall Arduino CLIcan change or delete data

    Attempt to install arduino-cli for the current OS using available package managers, then verify and configure CLI path.

  • list_board_referenceList Board Referenceread-only

    List local board reference entries with pin/spec metadata.

  • list_connected_boardsList Connected Boardsread-only

    List connected boards and serial ports detected by arduino-cli.

  • list_serial_portsList Serial Portsread-only

    List serial ports and any detected board metadata using arduino-cli. Works on Windows/macOS/Linux.

  • list_supported_boardsList Supported Boardsread-only

    List supported/installable boards from the local arduino-cli index.

  • read_serial_snapshotRead Serial Snapshotread-only

    Capture serial output for a bounded duration from a given port.

  • safety_preflightSafety Preflightread-only

    Run electrical preflight checks (voltage/current/pin risks) before upload or serial write operations.

  • search_board_referenceSearch Board Referenceread-only

    Search local board reference by board name, alias, id, or FQBN.

  • serial_close_sessionSerial Close Sessioncan change or delete data

    Close a serial session and release its port lock.

  • serial_expectSerial Expectread-only

    Wait for a string pattern in a serial session buffer with timeout.

Show 6 more tools
  • serial_list_sessionsSerial List Sessionsread-only

    List active serial sessions and current port lock state.

  • serial_open_sessionSerial Open Sessioncan change or delete data

    Open a stateful serial monitor session with port lock ownership.

  • serial_readSerial Readread-only

    Read buffered bytes from an open serial session.

  • serial_writeSerial Writecan change or delete data

    Write bytes to an open serial session. Safety preflight is enforced unless explicitly skipped.

  • upload_and_wait_readyUpload And Wait Readycan change or delete data

    Upload a sketch and wait for a serial readiness pattern, handling post-upload reset/re-enumeration windows.

  • upload_sketchUpload Sketchcan change or delete data

    Upload a compiled sketch to a connected board/port.

Signals

Stars
22
Forks
2
Open issues
1
Contributors
1
Last commit
Aug 22, 2026 (2 months ago)
Last release
Mar 8, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.hardware-mcp/arduino-mcp-server
Version
0.2.8
Auth
No auth
Packages
npm arduino-mcp-server
License
MIT
Repository
github.com/hardware-mcp/arduino-mcp-server
Website
github.com/hardware-mcp/arduino-mcp-server
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql

Same server elsewhere

Copies of this server published by others; search shows only one of them.

Cite this page

Arduino MCP Server. Agent Mart. https://agentmart.dev/connectors/hardware-mcp-arduino-mcp-server (last updated 2026-10-24)