How do I install io.github.daedalus/mcp-pcapy-ng?

Clone io.github.daedalus/mcp-pcapy-ng from https://github.com/daedalus/mcp-pcapy-ng and configure it as an MCP server in your client (Claude Desktop, Cursor, or VS Code).

Is io.github.daedalus/mcp-pcapy-ng open source?

Yes, io.github.daedalus/mcp-pcapy-ng is open source under the MIT license. Source code is available at https://github.com/daedalus/mcp-pcapy-ng.

What category does io.github.daedalus/mcp-pcapy-ng belong to?

io.github.daedalus/mcp-pcapy-ng is listed under Developer Tools MCP servers on MCPFind.

io.github.daedalus/mcp-pcapy-ng — MCP Server for Developer Tools

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

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/

Set up in your AI client

AI clientOperating system

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json

{
  "mcpServers": {
    "io-github-daedalus-mcp-pcapy-ng": {
      "command": "uvx",
      "args": [
        "mcp-pcapy-ng"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Compatible MCP Clients

io.github.daedalus/mcp-pcapy-ng works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.

Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.

VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.

Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.

Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

io.github.daedalus/mcp-pcapy-ng