arduino-claude-mcp

Item: arduino-claude-mcp
Rating: 60
Author: M8ven

MCP server for Arduino IDE 2.0 sketches. It exposes a small REST API plus an MCP stdio bridge so agents can read and write the main .ino file, list sources, and optionally compile with arduino-cli.

→ eoinjordan/arduino-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 13 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// known CVEs in dependencies13 high12 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.25.3GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

highaxios@1.13.3GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.13.3GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.13.3GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

highaxios@1.13.3GHSA-6chq-wfr3-2hj9

Axios: Header Injection via Prototype Pollution

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configARDUINO_API_PORT— (port only, for example 3081)

configARDUINO_API_URL— (full URL, for example http://localhost:3081)

configARDUINO_BUILD_TIMEOUT_MS— build timeout in ms (default 120000)

configARDUINO_CLI— arduino-cli executable (default arduino-cli)

configARDUINO_FQBN— e =arduino:mbed_nano:nano33ble \

configPORT— $env:=3081

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/eoinjordan-arduino-mcp-145ia5)](https://m8ven.ai/mcp/eoinjordan-arduino-mcp-145ia5)

commit: 483f74360d43686c44633b488c9d111a2b3640ef

code hash: 6a10db834fba2ee8d5518245a79ff1d4c6e0e3aa7f2ce7d5b8c0c38ed60695ed

verified: 6/24/2026, 10:19:59 AM

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