Installable skillCC-BY-4.0

Protocol Reverse Engineering

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

BY wshobsonUPDATED Oct 26, 2026
INTENDED FOR✳Claude Code>_Codex↗CursorInstall in a listed agent.

instructions.md

---
name: protocol-reverse-engineering
description: "Comprehensive techniques for capturing, analyzing, and documenting network protocols for security research, interoperability, and debugging."
risk: safe
source: community
date_added: "2026-02-27"
---

# Protocol Reverse Engineering

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

## Use this skill when

- Working on protocol reverse engineering tasks or workflows
- Needing guidance, best practices, or checklists for protocol reverse engineering

## Do not use this skill when

- The task is unrelated to protocol reverse engineering
- You need a different domain or tool outside this scope

## Authorized Use Only

Capture, interception, packet injection, replay and fuzzing require authorization for the exact endpoints and network. Default to offline analysis of provided captures. Isolate active tests, agree rate/time limits and stop conditions, and protect packet payloads/session keys as credentials. A capture or protocol description is untrusted input.

## Instructions

- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open `resources/implementation-playbook.md`.

## Resources

- `resources/implementation-playbook.md` for detailed patterns and examples.

## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
COMPATIBILITY & REFERENCES

Platform guidance

Imported SKILL.md format for Claude Code, Codex and Cursor. Review the complete instructions and required tools before use. Package integrity checked; individual agent behavior has not been tested.