mcp-pcapy-ng

MCP server exposing pcapy-ng packet capture functionality.

mcp-name: io.github.daedalus/mcp-pcapy-ng

Install

pip install mcp-pcapy-ng

Related MCP server: mcp-wireshark

Usage

The MCP server provides tools for network packet capture using pcapy-ng:

from mcp_pcapy_ng import mcp
mcp.run()

Or via command line:

mcp-pcapy-ng

Available Tools

• findalldevs - List all available network interfaces

• lookupdev - Get the default network device

• open_live - Open a live network interface for packet capture

• open_offline - Open a pcap file for reading

• create - Create a packet capture handle

• compile - Create a BPF filter program

• pcap_read - Read packets from a pcap handle

• pcap_datalink - Get the data link type

• pcap_setfilter - Attach a BPF filter

• pcap_getnonblock - Get non-blocking status

• pcap_setnonblock - Set non-blocking mode

• get_dlt_names - Get DLT constant mappings

• get_pcap_directions - Get direction constant mappings

• get_constants - Get all constants

Development

git clone https://github.com/daedalus/mcp-pcapy-ng.git
cd mcp-pcapy-ng
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/