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What is this?

Wireshark MCP is an MCP Server that turns tshark into a structured analysis interface, then layers in optional Wireshark suite utilities such as capinfos, mergecap, editcap, dumpcap, and text2pcap when they are available. The result is a packet-analysis server that still works with only tshark, but gets stronger automatically on hosts with more of the Wireshark toolchain installed.

You:    "Find all DNS queries going to suspicious domains in this capture."
Claude: [calls wireshark_extract_dns_queries → wireshark_check_threats]
        "Found 3 queries to domains flagged by URLhaus: ..."

Prerequisites

  • Python 3.10+

  • Wireshark installed with tshark

  • tshark is the only required Wireshark CLI dependency

  • Optional suite tools such as capinfos, mergecap, editcap, dumpcap, and text2pcap are auto-detected and enable extra MCP features when present

  • Live capture prefers dumpcap when available, but falls back to tshark so a minimal installation still works

  • tshark on your PATH is recommended, but wireshark-mcp install also records detected absolute Wireshark tool paths for GUI clients

  • Any MCP-compatible client: Claude Desktop, Claude Code, Cursor, VS Code, etc.


1.0 Support Matrix

For v1.0, "stable" means the project commits to the following baseline:

Area

v1.0 baseline

Operating systems

Windows, Linux, and macOS

CI validation

Test suite runs on all three platforms; packaged CLI smoke tests run on all three platforms; real tshark integration smoke runs on Linux

Python versions

3.10, 3.11, 3.12, 3.13

Required Wireshark dependency

tshark

Optional Wireshark suite tools

capinfos, mergecap, editcap, dumpcap, text2pcap auto-detected when present

Supported install paths

pip install wireshark-mcp, source install, and manual MCP config snippets

User-facing verification

wireshark-mcp doctor, wireshark-mcp clients, and wireshark-mcp config

If one of these baseline items stops working, that is a 1.0.x bug, not a "future enhancement".


Demo Videos

Install Demo

Install demo video preview

Play or download the install demo video

Analysis Demo

Analysis demo video preview

Play or download the analysis demo video


Installation

Option 1 — One-click install in Cursor (no pre-install needed)

Install in Cursor

Requires uv and Wireshark to be installed on your system.

Option 2 — pip install + auto-configure

pip install wireshark-mcp

Then auto-configure all your MCP clients in one command:

wireshark-mcp install

That's it — restart your AI client and you're ready to go. 🎉

If anything still looks off, run:

wireshark-mcp doctor

What does install do? It scans your system for known MCP client config files (Claude, Cursor, VS Code, etc.) and injects the wireshark-mcp server entry. Existing settings are preserved. See Supported Clients for the full list.

pip install git+https://github.com/bx33661/Wireshark-MCP.git
wireshark-mcp install
wireshark-mcp uninstall

Platform Setup

Use this section when you want the shortest reliable path to a working setup on each OS.

  1. Install Python 3.10+.

  2. Install Wireshark and make sure the tshark CLI is available.

  3. Install the package:

pip install wireshark-mcp
wireshark-mcp install
wireshark-mcp doctor

If you plan to use live capture, dumpcap is preferred when available.

  1. Install Python 3.10+.

  2. Install Wireshark or the distro package that provides tshark.

  3. Install the package:

pip install wireshark-mcp
wireshark-mcp install
wireshark-mcp doctor

Live capture may require extra capture permissions depending on your distro. Offline .pcap analysis works as soon as tshark is available.

  1. Install Python 3.10+.

  2. Install Wireshark and keep the TShark component enabled in the installer.

  3. In PowerShell or Command Prompt, run:

py -m pip install wireshark-mcp
wireshark-mcp install
wireshark-mcp doctor

The installer writes absolute Python and Wireshark tool paths for GUI MCP clients, which is especially helpful on Windows where GUI apps often do not inherit your shell environment.


Supported Clients

wireshark-mcp install auto-configures the following clients across macOS, Linux, and Windows:

Client

Config File

Claude Desktop

claude_desktop_config.json

Claude Code

~/.claude.json

Cursor

~/.cursor/mcp.json

VS Code

settings.json (via mcp.servers)

VS Code Insiders

settings.json (via mcp.servers)

Windsurf

mcp_config.json

Cline

cline_mcp_settings.json

Roo Code

mcp_settings.json

Kilo Code

mcp_settings.json

Antigravity IDE

mcp_config.json

Zed

settings.json (via mcp.servers)

LM Studio

mcp.json

Warp

mcp_config.json

Trae

mcp_config.json

Gemini CLI

settings.json

Copilot CLI

mcp-config.json

Amazon Q

mcp_config.json

Codex

config.toml

For unsupported clients, run wireshark-mcp config to get the JSON snippet and paste it manually.


Configuration

pip install wireshark-mcp
wireshark-mcp install

This detects all installed MCP clients and writes the config automatically. Existing settings are preserved. The generated entry always uses the current Python interpreter (python -u -m wireshark_mcp.server), forwards your current PATH, and stores detected absolute Wireshark tool paths when available, so GUI MCP clients do not need wireshark-mcp or tshark to be discoverable on their own.

⚠️ Restart your MCP client after running install for changes to take effect. 🔎 If analysis tools still fail to launch, run wireshark-mcp doctor to verify Python, required vs optional Wireshark CLI tools, and client config detection.

Manual Configuration

If you prefer to configure manually, start with:

wireshark-mcp config

If you use Codex:

wireshark-mcp config --format codex-toml

Detailed client-by-client instructions now live in docs/manual-configuration.md, including Claude Desktop, Claude Code, Cursor, VS Code, Codex, generic JSON-based clients, and Docker / SSE mode.


5-Minute Verification

After installation, this is the fastest way to confirm the setup is actually production-usable:

  1. Check the package entrypoint:

wireshark-mcp --version
  1. Verify Python and Wireshark tool discovery:

wireshark-mcp doctor

Automation-friendly form:

wireshark-mcp doctor --format json
  1. Confirm your client targets were detected:

wireshark-mcp clients

Automation-friendly form:

wireshark-mcp clients --format json
  1. Print the exact manual config for the current machine:

wireshark-mcp config

If you use Codex specifically, you can also render TOML directly:

wireshark-mcp config --format codex-toml
  1. Open your MCP client, attach a small .pcap, and run:

Use wireshark_open_file on this capture, summarize the protocols you see, then run wireshark_quick_analysis.

If all five checks work, the install is in the expected v1.0 steady state.


Operational Docs

Detailed steady-state and release docs now live under docs/:


Quick Start

Paste this into your AI client after pointing it at a pcap file:

Analyze <path/to/file.pcap> using the Wireshark MCP tools.

- Start with wireshark_open_file to get capture-wide context and recommended tools.
- Use wireshark_security_audit for a one-call security analysis.
- Or use wireshark_quick_analysis for a fast traffic overview.
- Drill into details with wireshark_follow_stream or wireshark_get_packet_details.
- Never guess — always verify with tools.
- Write findings to report.md.

Bundled Codex Skill

This repo also includes a Codex skill at skills/wireshark-traffic-analysis/. It is designed for disciplined packet analysis: start with capture-wide context, choose the right workflow, validate with packet evidence, and finish with actionable next steps. The latest revision is also grounded in official Wireshark documentation for protocol hierarchy, endpoints, conversations, expert info, display filters, and stream-follow behavior. For cross-app discovery, the same skill is mirrored into .github/skills/ and .claude/skills/, with root instruction files (AGENTS.md, CLAUDE.md, GEMINI.md), GitHub Copilot instructions, and a machine-readable catalog at skills/manifest.json.

The skill supports these modes:

  • triage

  • security

  • incident-response

  • troubleshoot

  • ctf

Example invocation:

Use $wireshark-traffic-analysis to investigate <file.pcap>.
Start in triage mode, escalate if you find suspicious behavior, and produce a concise report with exact filters, streams, frames, confidence, and next steps.

Compatibility Policy

  • The stable CLI for 1.x is the subcommand interface: serve, install, uninstall, doctor, config, clients.

  • Legacy flags such as --install, --doctor, and --config remain supported throughout 1.x.

  • wireshark_read_packets remains available throughout 1.x for backwards compatibility, but it is deprecated and not recommended for new workflows.

  • New packet-inspection workflows should use wireshark_get_packet_list and wireshark_get_packet_details.


Prompt Engineering

LLMs perform best when you tell them to:

  • start with wireshark_open_file

  • use agentic tools first, then drill down

  • verify instead of guessing

  • produce a structured report

Ready-to-paste prompt templates for security audits, CTF work, and performance troubleshooting now live in docs/prompt-engineering.md.

Tools

Tool

Description

wireshark_security_audit

One-call security audit: 8-phase analysis (threat intel, credential scan, port scan, DNS tunnel, cleartext, anomalies) with risk scoring (0-100) and recommendations

wireshark_quick_analysis

One-call traffic overview: file info, protocol distribution, top talkers, conversations, hostnames, anomaly summary, suggested next steps

wireshark_open_file

Smart file opener: analyzes pcap content and recommends the most relevant tools while keeping the MCP tool surface stable

wireshark_get_capabilities

Toolchain capability report: required, recommended, and optional Wireshark suite tools visible to the current MCP server

💡 These tools replace the need to manually chain 5-10 tool calls. Just call one and get a complete report.

Tool

Description

wireshark_get_packet_list

Paginated packet list with display filter and custom column support

wireshark_get_packet_details

Full JSON dissection of a single frame, with optional layer filtering to cut token usage

wireshark_get_packet_bytes

Raw Hex + ASCII dump (Wireshark's "Packet Bytes" pane)

wireshark_get_packet_context

View N packets before and after a frame for contextual debugging

wireshark_read_packets

Deprecated compatibility tool retained for 1.x; prefer wireshark_get_packet_list and wireshark_get_packet_details

wireshark_follow_stream

Reassemble a full TCP / UDP / HTTP stream with pagination and search

wireshark_search_packets

Pattern search across raw bytes or decoded fields (Regex supported)

Tool

Description

wireshark_extract_fields

Extract any tshark fields as a table

wireshark_extract_http_requests

HTTP method, URI, and host for every request

wireshark_extract_dns_queries

All DNS queries in the capture

wireshark_list_ips

All unique source, destination, or both IP addresses

wireshark_export_objects

Extract embedded files (HTTP, SMB, TFTP, etc.)

wireshark_verify_ssl_decryption

Confirm TLS decryption using a keylog file

Tool

Description

wireshark_stats_protocol_hierarchy

Protocol Hierarchy Statistics — see what protocols dominate

wireshark_stats_endpoints

All endpoints sorted by traffic volume

wireshark_stats_conversations

Communication pairs with byte/packet counts

wireshark_stats_io_graph

Traffic volume over time (spot DDoS, scans, bursts)

wireshark_stats_expert_info

Wireshark's expert analysis: errors, warnings, notes

wireshark_stats_service_response_time

SRT stats for HTTP, DNS, and other protocols

Tool

Description

wireshark_get_file_info

File metadata via capinfos (duration, packet count, link type)

wireshark_merge_pcaps

Merge multiple captures into one file

wireshark_filter_save

Apply a display filter and save matching packets to a new file

wireshark_list_interfaces

List available network interfaces

wireshark_capture

Start a live capture (duration, packet count, BPF filter, ring buffer)

These tools are additive. The server still starts with only tshark, and only advertises or uses the extra workflows below when the corresponding Wireshark companion binaries are present.

Tool

Description

wireshark_editcap_trim

Trim a capture to a timestamp window using editcap

wireshark_editcap_split

Split a capture by packet count or interval using editcap

wireshark_editcap_time_shift

Shift packet timestamps by a relative offset using editcap

wireshark_editcap_deduplicate

Remove duplicate packets using editcap's duplicate window

wireshark_text2pcap_import

Convert ASCII or hex dumps into capture files using text2pcap

Tool

Description

wireshark_check_threats

Cross-reference captured URLs and hostnames against URLhaus threat intelligence

wireshark_extract_credentials

Detect plaintext credentials in HTTP Basic Auth, FTP, and Telnet

wireshark_detect_port_scan

Detect SYN, FIN, NULL, and Xmas port scans with configurable threshold

wireshark_detect_dns_tunnel

Detect DNS tunneling (long queries, TXT abuse, subdomain entropy)

wireshark_detect_dos_attack

Detect DoS/DDoS patterns (SYN flood, ICMP/UDP flood, DNS amplification)

wireshark_analyze_suspicious_traffic

Comprehensive anomaly analysis: cleartext protocols, unusual ports, expert warnings

Tool

Description

wireshark_extract_tls_handshakes

TLS version, cipher suite, SNI, and certificate info from Client/Server Hello

wireshark_analyze_tcp_health

TCP retransmissions, duplicate ACKs, zero window, resets, out-of-order analysis

wireshark_detect_arp_spoofing

ARP spoofing detection: IP-MAC conflicts, gratuitous ARP floods

wireshark_extract_smtp_emails

SMTP email metadata: sender, recipient, mail server info

wireshark_extract_dhcp_info

DHCP lease information: assigned IPs, hostnames, DNS servers

Tool

Description

wireshark_decode_payload

Auto-detect and decode Base64, Hex, URL encoding, Gzip, Deflate, Rot13, and more

wireshark_plot_traffic

ASCII bar chart of traffic over time — spot DDoS or scan patterns instantly

wireshark_plot_protocols

ASCII protocol tree — visual overview of what's in the capture

Note: Security, Protocol, and Threat tools stay available for the whole session. wireshark_open_file recommends which ones are most relevant for the current capture.


MCP Resources

Resource URI

Description

wireshark://reference/display-filters

Complete display filter syntax cheatsheet with common examples

wireshark://reference/protocol-fields

Protocol field name reference for filters and extraction

wireshark://guide/usage

Recommended analysis workflows and tips

wireshark://capabilities

Current required, recommended, and optional Wireshark suite capabilities

MCP Prompts

Prompt

Description

security_audit

Full security audit workflow: threat intel, credential scan, attack detection

performance_analysis

Network performance analysis: TCP health, response times, bottlenecks

ctf_solve

CTF challenge solver: flag search, stream analysis, steganography checks

incident_response

IR workflow: triage, IOC extraction, attack timeline, containment

traffic_overview

Quick traffic summary with protocol breakdown and visualization

Why Wireshark MCP?

There are other network analysis MCP servers out there, but Wireshark MCP was built with a few core goals:

Feature

Wireshark MCP

Others

One-command install (install)

Agentic workflows (one-call security audit)

Capture-aware recommendations with stable tool surface

40+ specialized analysis tools

5-10

Threat intelligence integration

Smart Python env detection

18+ MCP client support

Manual


Troubleshooting

Symptom

What it usually means

What to do

tshark is missing in doctor

Wireshark or the CLI component is not installed, or the path is not discoverable

Install Wireshark with tshark, then rerun wireshark-mcp doctor

MCP client sees the server but tool calls fail to launch

The GUI client is missing runtime env vars or absolute tool paths

Rerun wireshark-mcp install, restart the client, then rerun wireshark-mcp doctor

Live capture fails but offline .pcap analysis works

Capture permissions or dumpcap availability are the issue, not the core server

Use offline capture files first; if you need live capture, grant the required OS-specific capture permissions

capinfos, editcap, or text2pcap are missing

Optional Wireshark suite tools are not installed

This is not fatal; the server still works with tshark, but those extra workflows stay unavailable

Your client is not in the supported list

Auto-install only covers known config formats

Run wireshark-mcp config or wireshark-mcp config --format codex-toml and paste the output manually


Development

Install dev dependencies:

pip install -e ".[dev]"

Test with the MCP Inspector (opens a local web UI to call tools interactively):

npx -y @modelcontextprotocol/inspector uv run wireshark-mcp

Run the test suite:

uv run python -m pytest tests/ -v

Lint & type check:

uv run python -m ruff check src/ tests/
uv run python -m mypy --package wireshark_mcp --ignore-missing-imports --no-namespace-packages

Docker:

docker compose up -d
# Pcap files go in ./pcaps/ (mounted as /data)

CLI options:

wireshark-mcp                          # Start the stdio MCP server
wireshark-mcp serve --transport sse --host 0.0.0.0 --port 8080
wireshark-mcp install                  # Auto-configure all detected MCP clients
wireshark-mcp install --client codex   # Target a specific client
wireshark-mcp uninstall
wireshark-mcp doctor                   # Human-readable diagnostics
wireshark-mcp doctor --format json     # Machine-readable diagnostics
wireshark-mcp clients                  # Human-readable client detection
wireshark-mcp clients --format json    # Machine-readable client detection
wireshark-mcp config                   # Print JSON config for manual setup
wireshark-mcp config --format codex-toml
wireshark-mcp --version

Legacy flags such as --install, --doctor, and --config remain supported for backwards compatibility.

See CONTRIBUTING.md for the full development setup guide.


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