MCP Pcapy Ng

MCP server exposing pcapy-ng packet capture functionality

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

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

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

mcp-pcapy-ng

MCP server exposing pcapy-ng packet capture functionality.

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

Install

Terminal

pip install mcp-pcapy-ng

Usage

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

server.ts

from mcp_pcapy_ng import mcp
mcp.run()

Or via command line:

bash

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

bash

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/

Read the full README →View source on GitHub →

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Frequently Asked Questions about MCP Pcapy Ng

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp-pcapy-ng": { "command": "npx", "args": ["-y", "mcp-pcapy-ng"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

35Quality signal: Fair · 35/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity1/15

Community engagement0/10

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to MCP Pcapy Ng →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

mcp-pcapy-ng

MCP server exposing pcapy-ng packet capture functionality.

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

Install

Terminal

pip install mcp-pcapy-ng

Usage

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

server.ts

from mcp_pcapy_ng import mcp
mcp.run()

Or via command line:

bash

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

bash

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/