esp-mcp

Item: esp-mcp
Rating: 55
Author: M8ven

An MCP server for managing ESP-IDF workflows, enabling LLMs to build, flash, and test firmware for ESP32 and related microcontrollers. It provides tools for project creation, target configuration, and serial port management to simplify embedded development.

→ horw/esp-mcp · listed on glama

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// key findings

⚠️

Tool descriptions don’t match what handlers do

1 tool describes read intent but its handler mutates — list_esp_serial_ports (line 148: open('mcp-ports.log', 'w+').write(port_log))

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// required environment variables

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

configIDF_PATH— "": "<path_to_your_esp-idf_directory>" // e.g., ~/esp/esp-idf or C:\\Espressif\\frameworks\\esp-idf

// 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 8 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/horw-esp-mcp-1el8dy)](https://m8ven.ai/mcp/horw-esp-mcp-1el8dy)

commit: 28afddf9ff41ada117bb45fd49b526d3bf89749e

code hash: 94e0c8d342c704318d608ea41d8242728631ec6c246a201d54c276c277300b69

verified: 6/17/2026, 12:31:38 PM

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