ios-reverse-engineering

ios-reverse-engineering is a skill for Claude Code from anatoly505/ios-reverse-skills. It costs 223 tokens per session (6,674 once invoked), scanned A, a copy of ios-reverse-engineering, Unlicense.

A toolkit for taking apart iOS apps and studying how their compiled code works. It covers Swift and Objective-C apps and can inspect binaries, libraries, network endpoints, embedded services, and security protections.

In plain words
What is it for?
Use it to extract API endpoints, trace code paths, identify third-party SDKs and possible vulnerabilities, inspect cloud credentials, and detect anti-tampering measures.
Why use it?
It brings common inspection and decompilation tools into one workflow, helping developers document app behavior and find security-related details.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Runs only inside a plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else, and the catalogue could not identify which plugin ships it.

Good fit Use it to extract API endpoints, trace code paths, identify third-party SDKs and possible vulnerabilities, inspect cloud credentials, and detect anti-tampering measures.

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Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

Made for: Claude Code.

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/anatoly505/ios-reverse-skills/ios-reverse-engineering/github.svg)](https://agentmods.dev/skills/anatoly505/ios-reverse-skills/ios-reverse-engineering)
Your own site
<a href="https://agentmods.dev/skills/anatoly505/ios-reverse-skills/ios-reverse-engineering"><img src="https://agentmods.dev/badge/skills/anatoly505/ios-reverse-skills/ios-reverse-engineering/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ios-reverse-engineering

Your own site · 80×15
<a href="https://agentmods.dev/skills/anatoly505/ios-reverse-skills/ios-reverse-engineering"><img src="https://agentmods.dev/badge/skills/anatoly505/ios-reverse-skills/ios-reverse-engineering.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 223 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,674 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% copy Near-identical to another mod 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 5.1 $0.00223 $0.06674
Opus 5 $0.00112 $0.03337
Sonnet 5 $0.00045 $0.01335
Haiku 4.5 $0.00022 $0.00667

Measured 8d ago against content hash 8029583eff91, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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 8d ago.

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

This is a copy

89% identical to ios-reverse-engineering — 94 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/claude-code/skills/ios-reverse-engineering/SKILL.md · 503 lines

How it starts

The opening of the file, as written. The whole thing — 503 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 standard macOS developer tools (otool, strings, plutil, codesign). For deep binary analysis, radare2 (or rizin) is recommended; Ghidra headless is optional for advanced decompilation. On macOS, most tools are available via Xcode Command Line Tools. On Linux, only static analysis of extracted files is supported. 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.

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

The output contains machine-readable lines:

  • INSTALL_REQUIRED:<dep> — must be installed before proceeding
  • INSTALL_OPTIONAL:<dep> — recommended but not blocking

If required dependencies are missing (exit code 1), install them automatically:

Read the full file on GitHub · 503 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. 8d ago First seen · 503 lines · 223 tokens per session scan A 8029583eff91

Subscribe to this mod's changes

ios-reverse-engineering is a skill published in the GitHub repository anatoly505/ios-reverse-skills (9 stars, last pushed 4mo ago), licensed Unlicense. It adds 223 tokens to every session and 6,674 once invoked, about $0.0011 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to ios-reverse-engineering, differing in 94 lines, and is treated as a copy.

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