What is the key difference between Esp MCP and Modbus MCP?

Esp MCP belongs to the Embedded System category with local stdio execution, while Modbus MCP belongs to the Embedded System category with local stdio execution.

How do I install Esp MCP or Modbus MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Esp MCP and Modbus MCP free or paid?

Esp MCP operates under a Free / Open Source model (No auth required). Modbus MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Esp MCP lists 6 tools with 3 views and 157 GitHub stars. Modbus MCP lists 5 tools with 3 views and 25 GitHub stars.

Can I use both Esp MCP and Modbus MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Esp MCP vs Modbus MCP

In-depth architectural comparison of the Esp MCP and Modbus MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Esp MCP

Embedded System · Local stdio

Quality: 35/100 (Fair) | Auth: No auth required

Modbus MCP

Embedded System · Local stdio

Quality: 32/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Esp MCP if you need specialized Embedded System tools running via a local process. Choose Modbus MCP if your workspace requires Embedded System integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Esp MCP when:

You need dedicated capabilities in the Embedded System domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: ESP-IDF dependency installation, ESP32 project creation and target selection, Incremental project builds.

Explore Esp MCP Details

Choose Modbus MCP when:

You need dedicated capabilities in the Embedded System domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: MODBUS_TYPE, MODBUS_HOST, MODBUS_PORT, MODBUS_DEFAULT_SLAVE_ID, MODBUS_SERIAL_PORT, MODBUS_BAUDRATE, MODBUS_PARITY, MODBUS_STOPBITS.
Primary tools included: Reads and writes holding registers, Reads and writes coils, Reads input registers.

Feature & Specification Comparison

Specification	Esp MCP horw Embedded System	Modbus MCP kukapay Embedded System
Summary	Workflow for fixing build issues in ESP32 series chips using ESP-IDF.	An MCP server that standardizes and contextualizes industrial Modbus data.
Category & Scope	Embedded System	Embedded System

Tools & Capabilities Breakdown

Esp MCP Tools (6)

ESP-IDF dependency installation

ESP32 project creation and target selection

Incremental project builds

Serial port discovery and firmware flashing

pytest-embedded test execution

Per-project ESP-IDF path and SDK defaults

Modbus MCP Tools (5)

Reads and writes holding registers

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Esp MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "horw-esp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "horw-esp-mcp"
      ]
    }
  }
}

Modbus MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "kukapay-modbus-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "kukapay-modbus-mcp"
      ],
      "env": {
        "MODBUS_TYPE": "YOUR_MODBUS_TYPE_HERE",
        "MODBUS_HOST": "YOUR_MODBUS_HOST_HERE",
        "MODBUS_PORT": "YOUR_MODBUS_PORT_HERE",
        "MODBUS_DEFAULT_SLAVE_ID": "YOUR_MODBUS_DEFAULT_SLAVE_ID_HERE",
        "MODBUS_SERIAL_PORT": "YOUR_MODBUS_SERIAL_PORT_HERE",
        "MODBUS_BAUDRATE": "YOUR_MODBUS_BAUDRATE_HERE",
        "MODBUS_PARITY": "YOUR_MODBUS_PARITY_HERE",
        "MODBUS_STOPBITS": "YOUR_MODBUS_STOPBITS_HERE"
      }
    }
  }
}

Frequently Asked Questions

Esp MCP is categorized under Embedded System and uses a local stdio subprocess. In contrast, Modbus MCP belongs to Embedded System using local stdio subprocess. Select Esp MCP when you need capabilities focused on embedded system and Modbus MCP when you require tools for embedded system.

More alternatives to Esp MCP More alternatives to Modbus MCP Embedded System category hub