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esp32-mcpserver
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esp32-mcpserver

Active·★ 13·MIT·Updated 2026-08-16

ESP32 MCP Server is a lightweight implementation of the Model Context Protocol (MCP) for ESP32 microcontrollers. It enables direct interaction between AI agents and hardware by exposing device tools and resources to Large Language Models (LLMs) via the MCP standard.

#ESP32#Microcontroller#Model Context Protocol#LLM Integration#Hardware API#Embedded#IoT
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Guides
#JSON-RPC
$ Install
$ git clone https://github.com/solnera/esp32-mcpserver.git
↗ Visit site★ GitHub
01

Features

01Supports MCP JSON-RPC 2.0 over Streamable HTTP with version negotiation.
02Provides an easy-to-use API for defining and registering custom tools with JSON Schema validation.
03Asynchronous design built on ESPAsyncWebServer for non-blocking operations.
04Dedicated worker task for 'tools/call' ensures blocking handlers don't stall the system.
05mDNS-based service discovery, advertising itself as '_mcp._tcp'.
02

Compatibility

ESP32
Hardware
Verified via docs
PlatformIO
IDE
Verified via docs
Arduino IDE
IDE
Verified via docs
C++
Language
Verified via docs
03

Quick start

1
$ git clone https://github.com/solnera/esp32-mcpserver.git
04

Use cases

↳Enable LLM-powered control and automation of smart devices.
↳Building blocks for local-first AI and decentralized hardware ecosystems.
↳Facilitate direct communication and interaction between AI agents and embedded hardware.
↳Expose ESP32 device capabilities and data as tools for LLMs.
05

Alternatives

⚡Top VS:
VSmcp_on_ruby★97→VSgopher-mcp★15→VSgenieacs-mcp★18→

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solnera /
esp32-mcpserver
↗

A lightweight Model Context Protocol (MCP) server framework for ESP32. Seamlessly connect embedded devices to LLMs.

13MIT
Last commit2mo ago
StatusActive
CategoryAPI Integration
Links
Documentation↗Discussion↗Issues↗Releases↗
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