Pcapport

Name: Pcapport
Author: CloudCorpRecords

by CloudCorpRecordsversion 0.1.0i★ –iRuns on your computer

Registry nameio.github.CloudCorpRecords/pcapport

Install

Overview

Description from the maker (original English)

PCAP analysis: DNS, DHCP, ICMP, TCP flows, anomalies, and SIP from capture files.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
The registry lists no key to fill in.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "pcapport": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/pcapport",
        "mcp"
      ]
    }
  }
}

Run this in your terminal

claude mcp add pcapport -- npx -y @reneturcios/pcapport mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "pcapport": {
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/pcapport",
        "mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "pcapport": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@reneturcios/pcapport",
        "mcp"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account CloudCorpRecords, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32505 servers in this category
Published to the registry more recently than 88% of the other 32505 servers in this category
Basic checks equal to or better than 100% of the other 32505 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Pcapport safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.0) reached the registry 4 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js, Docker on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, topo^alpin

Alternatives

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

pcapport

pcapport analyses PCAP capture files entirely on your own machine. Point it at a classic libpcap file and it summarises what is inside: DNS questions and response codes, DHCP message types and the servers and clients involved, ICMP traffic, TCP connections with state estimates, TCP anomalies and retransmissions, traffic flow to and from one server, SIP calls, and basic capture information such as packet count, duration, and encapsulation.

There is no network access, no API key, and no live capture: the tool only reads the capture file you name. The parser is an original minimal implementation covering Ethernet (including a single VLAN tag) and raw-IP captures carrying IPv4, with TCP, UDP, and ICMP decoded, and DNS, DHCP, and SIP payloads understood.

Install

npx @reneturcios/pcapport analyze_capinfos '{"pcap_file":"capture.pcap"}'

Or run the container image:

docker run -i ghcr.io/cloudcorprecords/pcapport

The container defaults to the MCP server. Pass CLI arguments to use it as a CLI instead.

CLI

The CLI mirrors the tools: one subcommand per tool, taking its arguments as a single JSON object.

pcapport analyze_capinfos '{"pcap_file":"capture.pcap"}'

pcapport analyze_dns_packets '{"pcap_file":"capture.pcap"}' pcapport analyze_tcp_connections '{"pcap_file":"capture.pcap","detailed":true}' pcapport analyze_tcp_retransmissions '{"pcap_file":"capture.pcap","threshold":0.05}' pcapport analyze_traffic_flow '{"pcap_file":"capture.pcap","server_ip":"10.0.0.5","server_port":80}' pcapport --version

Exit codes: 0 on success, 1 on an error (the error names the problem, e.g. a bad PCAP magic or a truncated file), 2 for usage errors. An empty capture is not an error: tools return zeroed summaries for it.

MCP server

One bin serves both faces. The mcp subcommand starts a stdio MCP server:

npx -y @reneturcios/pcapport mcp

MCP client configuration:

"mcpServers": { "pcapport": { "command": "npx", "args": ["-y", "@reneturcios/pcapport", "mcp"] } } }

Tools

Tool	Input	What it does
`analyze_dns_packets`	`pcap_file` (required)	DNS query/response counts, top questions (aggregated, top 20), and a response-code summary.
`analyze_dhcp_packets`	`pcap_file` (required)	DHCP packet count by message type (discover, offer, request, ack, ...), server IPs, and client MACs.
`analyze_icmp_packets`	`pcap_file` (required)	ICMP counts by type, echo requests/replies, unreachable count, and top talkers.
`analyze_tcp_connections`	`pcap_file` (required), `server_ip`, `server_port`, `detailed`	Connections keyed by the normalised 4-tuple with client/server, packets, bytes, SYN/FIN/RST counts, and a state estimate (established, closed, reset, half-open). With `detailed`, a per-connection timestamp summary is included.
`analyze_tcp_anomalies`	`pcap_file` (required), `server_ip`, `server_port`	Counts of reset connections, half-open connections (SYN with no SYN-ACK), connections without data, and zero-window advertisements, computed from flags and window fields.
`analyze_tcp_retransmissions`	`pcap_file` (required), `server_ip`, `threshold` (default 0.02)	A retransmission is a repeated (tuple, sequence, payload-length) data segment. Reports data segments, retransmissions, the rate, whether it exceeds the threshold, and the top offending connections.
`analyze_traffic_flow`	`pcap_file` (required), `server_ip` (required), `server_port`	Packets and bytes to and from the server, the unique client count, and the top clients by bytes.
`analyze_sip_packets`	`pcap_file` (required)	SIP requests by method, responses by status class, and calls (Call-ID, From, To). Payloads on port 5060 plus any payload starting with a SIP method or `SIP/2.0` are considered.
`analyze_capinfos`	`pcap_file` (required)	Packet count, duration, data bytes, average packet size, first/last packet times, encapsulation, and capture length.

Scope and limits

The parser covers classic libpcap only (big/little endian, micro- and nanosecond timestamps) — no pcapng. Only IPv4 is decoded; IPv6 and other ethertypes are counted in packet totals but not analysed. There is no TCP stream reassembly, so SIP over TCP is matched per segment, and TLS payloads are opaque. Anomaly and state heuristics are deliberately simple approximations, not a substitute for a full tshark-grade analysis.

Development

npm install

npm run build # tsc -> dist/ npm test # node test runner over test/*.test.ts, synthetic captures only, no network npm run dev # run the CLI from source via tsx

License

MIT — see LICENSE.

Pcapport

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

topo^alpin

README from the maker

pcapport

Install

CLI

MCP server

Tools

Scope and limits

Development

License