serial_send_bytes
Send raw bytes as hex (binary protocols: Nordic DTM, HCI, etc.)
How to use it
serial_send_bytes is exposed by the MCP Remote Access MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the serial_send_bytes tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install MCP Remote Access
uv pip install -e .Other tools in MCP Remote Access (25)
Connect by port name
Connect by VID / PID / serial / description match
Close a serial connection
ESP32-aware connect (BOOT/RESET sequence, auto-baud)
Wait/send step sequences (login prompts, AT flows)
Flush serial buffers
Show active serial connections
List available serial ports (with VID/PID, description, serial #)
Read available data
Read raw bytes back as hex
Reset device via DTR/RTS sequence
Send text data (with optional response read + configurable line ending)
Send a break signal
Set DTR line state
Set RTS line state
Wait for a pattern in the incoming stream
Check status / collect output of a background command
Connect to a host via SSH (password or key auth)
Close an SSH connection
Download a file via SFTP
Run a command on a connected host (sync)
Run a long-running command async, returns taskid
List all active background commands
Show active SSH connections
Upload a file via SFTP