protocol-reverse-engineering SKILL.md skillA

This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.

protocol-reverse-engineering from rudycity/superagent is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add rudycity/superagent/protocol-reverse-engineering@git:20260626.019dba9

Pins git:20260626.019dba9 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
rudycity/superagent
Path
.agents/skills/protocol-reverse-engineering/SKILL.md
Versions recorded
1
Latest version
git:20260626.019dba9, committed Jun 26, 2026
Size
12,626 bytes
Repository stars
64
License
MIT

Master network protocol reverse engineering including packet analysis, protocol dissection, and custom protocol documentation. Use when analyzing network traffic, understanding proprietary protocols, or debugging network communication.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Protocol Reverse Engineering

Comprehensive techniques for capturing, analyzing, and documenting network protocols for security research, interoperability, and debugging.

## Traffic Capture

### Wireshark Capture

```bash
# Capture on specific interface
wireshark -i eth0 -k

# Capture with filter
wireshark -i eth0 -k -f "port 443"

# Capture to file
tshark -i eth0 -w capture.pcap

# Ring buffer capture (rotate files)
tshark -i eth0 -b filesize:100000 -b files:10 -w capture.pcap
```

### tcpdump Capture

```bash
# Basic capture
tcpdump -i eth0 -w capture.pcap

# With filter
tcpdump -i eth0 port 8080 -w capture.pcap

# Capture specific bytes
tcpdump -i eth0 -s 0 -w capture.pcap  # Full packet

# Real-time display
tcpdump -i eth0 -X port 80
```

### Man-in-the-Middle Capture

```bash
# mitmproxy for HTTP/HTTPS
mitmproxy --mode transparent -p 8080

# SSL/TLS interception
mitmproxy --mode transparent --ssl-insecure

# Dump to file
mitmdump -w traffic.mitm

# Burp Suite
# Configure browser proxy to 127.0.0.1:8080
```

## Protocol Analysis

### Wireshark Analysis

```
# Display filters
tcp.port == 8080
http.request.method == "POST"
ip.addr == 192.168.1.1
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add rudycity/superagent/protocol-reverse-engineering@sha256:feb62efcbc6c9f97

The line at the top of this page pins the label git:20260626.019dba9, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_t64hopd2srxb4phb.svg)](https://markdownregistry.com/a/art_t64hopd2srxb4phb)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Jun 26, 2026.

versioncommittedcommitsizeaudit
git:20260626.019dba9 latest2026-06-26 019dba9 12,626 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (12626 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

rudycity/superagent · 64 stars · license MIT · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_t64hopd2srxb4phb
GET https://markdownregistry.com/api/v1/resolve?ref=rudycity/superagent/protocol-reverse-engineering
GET https://markdownregistry.com/api/v1/blob/feb62efcbc6c9f970550b8e10be7aff37747a59aaf126fc9dc54f87c8aa4a95a

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in rudycity/superagent

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