serial-mcp-server

A stateful serial port Model Context Protocol (MCP) server that allows AI agents to interact with serial devices. It enables listing ports, opening connections, reading and writing data, manipulating control lines like DTR, and supporting protocol specs for embedded systems and hardware debugging.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by es617

Vendor documentation

What you can do with it

List available serial ports
Connect to microcontrollers
Send commands and read responses
Reset device via DTR

Source and maintenance

Community listingRegistry 0.1.3

mcp-registry: io.github.es617/serial-mcp-server@0.1.3 Source repository

Maintenance checked: Nov 1, 2026, 6:06 AM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

serial-mcp-server 0.1.3

pypi

serial-mcp-server package definition

{
  "version": "0.1.3",
  "transport": "stdio",
  "identifier": "serial-mcp-server",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "SERIAL_MCP_MAX_CONNECTIONS",
      "format": "string",
      "description": "Maximum simultaneous open serial connections (default 10)"
    },
    {
      "name": "SERIAL_MCP_PLUGINS",
      "format": "string",
      "description": "Plugin policy: 'all' or comma-separated plugin names. Unset = disabled."
    },
    {
      "name": "SERIAL_MCP_MIRROR",
      "format": "string",
      "description": "PTY mirror mode: 'off' (default), 'ro' (read-only), or 'rw' (read-write). macOS/Linux only."
    },
    {
      "name": "SERIAL_MCP_MIRROR_LINK",
      "format": "string",
      "description": "Base path for PTY symlinks (default /tmp/serial-mcp when mirror is enabled). Connections get numbered: /tmp/serial-mcp0, /tmp/serial-mcp1, etc."
    },
    {
      "name": "SERIAL_MCP_TOOL_SEPARATOR",
      "format": "string",
      "description": "Tool name separator character (default '.'). Set to '_' for clients that reject dots (e.g. Cursor)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "serial-mcp-server": {
      "command": "uvx",
      "args": [
        "serial-mcp-server==0.1.3"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "<YOUR_SERIAL_MCP_MAX_CONNECTIONS>",
        "SERIAL_MCP_PLUGINS": "<YOUR_SERIAL_MCP_PLUGINS>",
        "SERIAL_MCP_MIRROR": "<YOUR_SERIAL_MCP_MIRROR>",
        "SERIAL_MCP_MIRROR_LINK": "<YOUR_SERIAL_MCP_MIRROR_LINK>",
        "SERIAL_MCP_TOOL_SEPARATOR": "<YOUR_SERIAL_MCP_TOOL_SEPARATOR>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "serial-mcp-server": {
      "command": "uvx",
      "args": [
        "serial-mcp-server==0.1.3"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "<YOUR_SERIAL_MCP_MAX_CONNECTIONS>",
        "SERIAL_MCP_PLUGINS": "<YOUR_SERIAL_MCP_PLUGINS>",
        "SERIAL_MCP_MIRROR": "<YOUR_SERIAL_MCP_MIRROR>",
        "SERIAL_MCP_MIRROR_LINK": "<YOUR_SERIAL_MCP_MIRROR_LINK>",
        "SERIAL_MCP_TOOL_SEPARATOR": "<YOUR_SERIAL_MCP_TOOL_SEPARATOR>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "serial-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "serial-mcp-server==0.1.3"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "<YOUR_SERIAL_MCP_MAX_CONNECTIONS>",
        "SERIAL_MCP_PLUGINS": "<YOUR_SERIAL_MCP_PLUGINS>",
        "SERIAL_MCP_MIRROR": "<YOUR_SERIAL_MCP_MIRROR>",
        "SERIAL_MCP_MIRROR_LINK": "<YOUR_SERIAL_MCP_MIRROR_LINK>",
        "SERIAL_MCP_TOOL_SEPARATOR": "<YOUR_SERIAL_MCP_TOOL_SEPARATOR>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "serial-mcp-server": {
      "command": "uvx",
      "args": [
        "serial-mcp-server==0.1.3"
      ],
      "env": {
        "SERIAL_MCP_MAX_CONNECTIONS": "<YOUR_SERIAL_MCP_MAX_CONNECTIONS>",
        "SERIAL_MCP_PLUGINS": "<YOUR_SERIAL_MCP_PLUGINS>",
        "SERIAL_MCP_MIRROR": "<YOUR_SERIAL_MCP_MIRROR>",
        "SERIAL_MCP_MIRROR_LINK": "<YOUR_SERIAL_MCP_MIRROR_LINK>",
        "SERIAL_MCP_TOOL_SEPARATOR": "<YOUR_SERIAL_MCP_TOOL_SEPARATOR>"
      }
    }
  }
}

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