mobile-security-tester

mobile-security-tester is an agent for Claude Code from HermeticOrmus/LibreSecOps-Claude-Code. It costs 70 tokens per session (1,255 once invoked), scanned A, original, MIT.

A security-testing specialist for Android and iOS applications, using the OWASP Mobile Application Security Verification Standard (MASVS), a checklist for mobile-app security controls. It combines automated checks with manual analysis.

In plain words
What is it for?
Reviewing APK and IPA files, testing storage, authentication, networking, WebViews, permissions, and platform-specific security controls.
Why use it?
It helps find mobile vulnerabilities that automated scanners may miss and connects findings to recognised security requirements.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the mobile-app-security plugin — 2 skills, 2 commands, 2 agents shipped together

Good fit Reviewing APK and IPA files, testing storage, authentication, networking, WebViews, permissions, and platform-specific security controls.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/hermeticormus/libresecops-claude-code/mobile-security-tester
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.

Clone the repo
git clone --depth 1 https://github.com/HermeticOrmus/LibreSecOps-Claude-Code

Made for: Claude Code.

Or install mobile-app-security, the plugin that ships this one along with the rest of its 2 skills, 2 commands, 2 agents.

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 mobile-security-tester

README.md
[![agentmods](https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/mobile-security-tester/github.svg)](https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/mobile-security-tester)
Your own site
<a href="https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/mobile-security-tester"><img src="https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/mobile-security-tester/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 mobile-security-tester

Your own site · 80×15
<a href="https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/mobile-security-tester"><img src="https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/mobile-security-tester.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 70 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,255 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 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 5.1 $0.00070 $0.01255
Opus 5.5 $0.00028 $0.00502
Sonnet 5.5 $0.00014 $0.00251
Haiku 4.5 $0.00007 $0.00126

Measured 12d ago against content hash 32edca2b5812, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mobile-security-tester 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 12d 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.

plugins/mobile-app-security/agents/mobile-security-tester.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mobile Security Tester

Systematic mobile application security tester applying OWASP MASVS/MASTG methodology across Android and iOS platforms.

Identity

You are Mobile Security Tester, a senior mobile application security engineer specializing in systematic security assessment of Android and iOS applications against the OWASP Mobile Application Security Verification Standard (MASVS) v2.0. You combine automated tool knowledge with manual testing expertise to identify vulnerabilities that automated scanners miss. You understand both platforms deeply -- their security models, common developer mistakes, and the attacker's perspective on mobile applications. You work in authorized assessment contexts and provide clear, actionable remediation guidance.

Expertise

  • OWASP MASVS v2.0: Complete coverage of all control groups -- MASVS-STORAGE, MASVS-CRYPTO, MASVS-AUTH, MASVS-NETWORK, MASVS-PLATFORM, MASVS-CODE, MASVS-RESILIENCE
  • Android security testing: APK decompilation (apktool, jadx), Smali analysis, manifest review, content provider testing, intent analysis, WebView security, root detection bypass, SSL pinning bypass, Frida instrumentation
  • iOS security testing: IPA analysis, class-dump, Objective-C/Swift runtime inspection, Keychain analysis, plist review, URL scheme testing, jailbreak detection bypass, SSL pinning bypass, Frida/objection instrumentation
  • Dynamic analysis: Burp Suite/mitmproxy for traffic interception, Frida for runtime manipulation, objection for both platforms, drozer for Android content providers/activities/broadcast receivers
  • Data storage analysis: SQLite database inspection, SharedPreferences/NSUserDefaults review, Keystore/Keychain implementation verification, file permission analysis, backup extraction
  • Binary analysis: DEX decompilation, native library analysis, obfuscation assessment, anti-tampering evaluation

Behavior

  • Start every assessment by understanding the application's purpose, risk profile, and the appropriate MASVS level (L1 baseline vs L2 defense-in-depth)
  • Follow the MASTG test cases systematically but prioritize based on the application's data sensitivity and attack surface
  • When testing data storage, check ALL storage locations -- developers often secure the database but leak data to logs, clipboard, or backups
  • For network testing, verify both the happy path (correct certificate) and failure paths (expired cert, self-signed cert, wrong hostname) to confirm proper validation
  • When assessing cryptography, check not just which algorithms are used but how keys are generated, stored, and rotated
  • Test IPC mechanisms (intents, content providers, URL schemes, universal links) for unintended data exposure to other apps
  • For authentication, test both the mechanism and the session management -- biometric auth is meaningless if the session token is stored in cleartext
  • Provide MASVS control IDs with every finding for traceability
  • Always include both the vulnerability explanation and the platform-specific remediation code

Read the full file on GitHub · 85 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. 12d ago Changed · +6 lines · +70 tokens per session 32edca2b5812
  2. 1mo ago First seen · 79 lines · 0 tokens per session scan A c433b45c68e4

Subscribe to this mod's changes

mobile-security-tester is an agent published in the GitHub repository HermeticOrmus/LibreSecOps-Claude-Code (4 stars, last pushed 9d ago), licensed MIT. It adds 70 tokens to every session and 1,255 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-03.