arduino-mcp-server
Arduino MCP server (Go) that exposes MCP tools to list connected Arduino boards and compile/upload Arduino sketches, intended to be run locally via stdio (e.g., from VS Code MCP settings).
Score Breakdown
⚙ Agent Friendliness
🔒 Security
No network interface or TLS/auth is described; it appears as a local stdio MCP server. Security hardening (least privilege, safe handling of paths/inputs, and dependency/CVE details) is not evidenced in the provided README.
⚡ Reliability
Best When
A developer workstation setup where an MCP-enabled IDE/agent can run the server via stdio and has direct access to the Arduino USB/serial devices.
Avoid When
You need a network-accessible service, strict authentication/auditing, or comprehensive documented error handling/rate limiting; the README does not indicate these features.
Use Cases
- • Local/desktop automation of Arduino development tasks from an MCP-capable agent/editor
- • Listing available Arduino boards/serial devices
- • Compiling sketches for a selected board (FQBN)
- • Optionally uploading compiled sketches to a specified port
Not For
- • Remote/cloud operation as an Internet-facing API
- • Multi-user deployments that require strong authentication/authorization
- • Production systems needing documented SLAs, monitoring, and enterprise security controls
Interface
Authentication
No authentication is described; the server appears intended for local stdio usage.
Pricing
No pricing information provided; repository appears to be a standalone open-source tool.
Agent Metadata
Known Gotchas
- ⚠ Tool parameter names/types are only minimally described (e.g., sketch path, fqbn, upload boolean); agents may need to validate paths and choose correct ports.
- ⚠ Uploading is a side-effecting operation; agents should avoid repeated uploads without user confirmation.
- ⚠ Local stdio MCP servers require the execution environment to have access to Arduino USB/serial devices; failures may look like port/board detection issues.
Alternatives
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Scores are editorial opinions as of 2026-04-04.