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# 🔌 serial-mcp MCP server for serial port communication. Provides tools to open, read, write, and manage serial ports through the Model Context Protocol. *🤖 Written by and for AI.* ## ✨ Features - 📋 List available serial ports on the system - ⚙️ Open ports with configurable baud rate, parity, stop bits, and flow control - 📖 Read data by byte count, terminator character, or duration - ✍️ Write string or hex data - 💥 Send BREAK signals - 📊 Monitor port status and control line states ## 📦 Prerequisites - Python 3.10+ - [uv](https://docs.astral.sh/uv/getting-started/installation/) package manager ## 🚀 Installation ### Via PyPI ```bash uvx serial-mcp@latest ``` ### Local Clone ```bash git clone https://github.com/davidalo/serial-mcp.git cd serial-mcp uvx --from "$(pwd)" serial-mcp ``` ## 🔗 Integration ### Via PyPI ```bash # Claude Code claude mcp add serial -- uvx serial-mcp@latest # Codex CLI codex mcp add serial -- uvx serial-mcp@latest ``` ### Local Clone ```bash git clone https://github.com/davidalo/serial-mcp.git cd serial-mcp # Claude Code claude mcp add serial -- uvx --from "$(pwd)" serial-mcp # Codex CLI codex mcp add serial -- uvx --from "$(pwd)" serial-mcp ``` ## 🛠️ Tools | Tool | Description | |------|-------------| | `list_ports` | List available system serial ports | | `open_port` | Open a serial port with configuration (baud rate, parity, stop bits, etc.) | | `close_port` | Close an open port | | `write_data` | Write string or hex data to a port | | `read_bytes` | Read N bytes with timeout | | `read_until` | Read until a terminator character | | `read_for_duration` | Read continuously for N seconds | | `send_break` | Send a BREAK signal | | `get_port_status` | Get port status and control line states | | `list_open_ports` | List all currently managed ports | ## 🧪 Testing with Virtual Ports Use `socat` to create virtual serial port pairs for testing: ```bash # Create virtual port pair socat -d -d pty,raw,echo=0,link=/tmp/tt…
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