ios-reverse-engineering

ios-reverse-engineering is a skill for Claude Code, Codex from incogbyte/iOS-reverse-engineering-claude-skill. It costs 321 tokens per session (9,024 once invoked), scanned A, original, Unlicense.

A toolkit and workflow for examining iOS app packages, executable files, libraries, and frameworks to understand how they work.

In plain words
What is it for?
Use it to analyse Swift or Objective-C apps, trace API call flows, inspect binaries, identify third-party SDKs and vulnerabilities, and document security findings.
Why use it?
It helps reveal app structure, network endpoints, embedded software, credentials, and protections that are difficult to see from source-level behaviour alone.

Skill for Claude CodeCodex

Installs and runs on its own, but its text points at files inside the plugin that ships it — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/incogbyte/ios-reverse-engineering-claude-skill/ios-reverse-engineering
Any agent
npx skills add incogbyte/iOS-reverse-engineering-claude-skill --skill ios-reverse-engineering
Clone the repo
git clone --depth 1 https://github.com/incogbyte/iOS-reverse-engineering-claude-skill

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ios-reverse-engineering

README.md
[![agentmods](https://agentmods.dev/badge/skills/incogbyte/ios-reverse-engineering-claude-skill/ios-reverse-engineering.svg)](https://agentmods.dev/skills/incogbyte/ios-reverse-engineering-claude-skill/ios-reverse-engineering)
Your own site
<a href="https://agentmods.dev/skills/incogbyte/ios-reverse-engineering-claude-skill/ios-reverse-engineering"><img src="https://agentmods.dev/badge/skills/incogbyte/ios-reverse-engineering-claude-skill/ios-reverse-engineering.svg" alt="Measured on agentmods" height="20"></a>
Per session 321 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 9,024 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00321 $0.09024
Opus 5 $0.00161 $0.04512
Sonnet 5 $0.00064 $0.01805
Haiku 4.5 $0.00032 $0.00902

Measured 4d ago against content hash 877ad775de39, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ios-reverse-engineering scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

The scan reads SKILL.md. This mod also ships 10 executable files (scripts/audit-vulnerabilities.sh, scripts/check-deps.sh, scripts/deep-secret-scan.sh, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/ios-reverse-engineering/SKILL.md · 585 lines

How it starts

The opening of the file, as written. The whole thing — 585 lines — stays where its author put it; the contents beside it link to each section on GitHub.

iOS Reverse Engineering

Extract and analyze iOS IPA files, .app bundles, Mach-O binaries, dynamic libraries, and frameworks using ipsw (blacktop/ipsw), otool, strings, radare2/rizin, and Ghidra headless. Trace call flows through application code, analyze security patterns, deep-scan for cloud provider credentials (Firebase, GCP, AWS, Azure), perform LLM-assisted binary reversing with decompilation and Ghidra headless scripts, fingerprint embedded third-party SDKs with version detection and CVE cross-referencing, and detect anti-tampering protections (obfuscation tools, anti-debugging, dylib injection prevention, integrity checks, jailbreak detection). Produce structured documentation of extracted APIs and security findings. Works with both Swift and Objective-C applications.

Prerequisites

This skill requires ipsw (which includes class-dump functionality and much more) and, on macOS, the standard developer tools (otool, strings, plutil, codesign) via Xcode Command Line Tools. For deep binary analysis, radare2 (or rizin) is recommended; Ghidra headless is optional for advanced decompilation. On Linux, ipsw provides cross-platform Mach-O analysis, entitlements, class-dump and thinning; libplist/plistutil (or python3 plistlib) provide plist parsing; binutils provides strings/nm. otool/codesign/plutil/PlistBuddy/lipo are macOS-only and the scripts fall back to ipsw/plistutil/python3 automatically — no macOS tools required on Linux. Run the dependency checker to verify:

bash ${CLAUDE_PLUGIN_ROOT}/skills/ios-reverse-engineering/scripts/check-deps.sh

If anything is missing, follow the installation instructions in ${CLAUDE_PLUGIN_ROOT}/skills/ios-reverse-engineering/references/setup-guide.md.

Workflow

Phase 1: Verify and Install Dependencies

Before analyzing, confirm that the required tools are available — and install any that are missing.

Action: Run the dependency check script.

Read the full file on GitHub · 585 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 585 lines · 321 tokens per session scan A 877ad775de39

Subscribe to this mod's changes

ios-reverse-engineering is a skill published in the GitHub repository incogbyte/iOS-reverse-engineering-claude-skill (88 stars, last pushed 2mo ago), licensed Unlicense. It adds 321 tokens to every session and 9,024 once invoked, about $0.0016 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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