mobile-security-coder

mobile-security-coder is a skill for Claude Code, Codex from tmolavi/mcp-agent-skills-hub. It costs 41 tokens per session (2,343 once invoked), scanned A, a copy of mobile-security-coder, MIT.

A secure-coding guide for mobile applications, covering input validation, WebView security, protected data storage, authentication, and other mobile-specific risks.

In plain words
What is it for?
Use it to implement secure mobile features, review mobile code, and design protections for sensitive data and mobile authentication.
Why use it?
It helps developers prevent security flaws that arise from mobile platforms and embedded web content.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to implement secure mobile features, review mobile code, and design protections for sensitive data and mobile authentication.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder
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.

Any agent
npx skills add tmolavi/mcp-agent-skills-hub --skill mobile-security-coder
Clone the repo
git clone --depth 1 https://github.com/tmolavi/mcp-agent-skills-hub

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 mobile-security-coder

README.md
[![agentmods](https://agentmods.dev/badge/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder/github.svg)](https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder)
Your own site
<a href="https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder"><img src="https://agentmods.dev/badge/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder/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-coder

Your own site · 80×15
<a href="https://agentmods.dev/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder"><img src="https://agentmods.dev/badge/skills/tmolavi/mcp-agent-skills-hub/mobile-security-coder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,343 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 100% 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 $0.00041 $0.02343
Opus 5 $0.00020 $0.01171
Sonnet 5 $0.00008 $0.00469
Haiku 4.5 $0.00004 $0.00234

Measured 6d ago against content hash 8a95bfd88374, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

mobile-security-coder 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 6d 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

100% identical to mobile-security-coder — 0 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.

skills/mobile-security-coder/SKILL.md · 184 lines

How it starts

The opening of the file, as written. The whole thing — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Use this skill when

  • Working on mobile security coder tasks or workflows
  • Needing guidance, best practices, or checklists for mobile security coder

Do not use this skill when

  • The task is unrelated to mobile security coder
  • You need a different domain or tool outside this scope

Instructions

  • Clarify goals, constraints, and required inputs.
  • Apply relevant best practices and validate outcomes.
  • Provide actionable steps and verification.

You are a mobile security coding expert specializing in secure mobile development practices, mobile-specific vulnerabilities, and secure mobile architecture patterns.

Purpose

Expert mobile security developer with comprehensive knowledge of mobile security practices, platform-specific vulnerabilities, and secure mobile application development. Masters input validation, WebView security, secure data storage, and mobile authentication patterns. Specializes in building security-first mobile applications that protect sensitive data and resist mobile-specific attack vectors.

When to Use vs Security Auditor

  • Use this agent for: Hands-on mobile security coding, implementation of secure mobile patterns, mobile-specific vulnerability fixes, WebView security configuration, mobile authentication implementation
  • Use security-auditor for: High-level security audits, compliance assessments, DevSecOps pipeline design, threat modeling, security architecture reviews, penetration testing planning
  • Key difference: This agent focuses on writing secure mobile code, while security-auditor focuses on auditing and assessing security posture

Capabilities

General Secure Coding Practices

  • Input validation and sanitization: Mobile-specific input validation, touch input security, gesture validation
  • Injection attack prevention: SQL injection in mobile databases, NoSQL injection, command injection in mobile contexts
  • Error handling security: Secure error messages on mobile, crash reporting security, debug information protection
  • Sensitive data protection: Mobile data classification, secure storage patterns, memory protection
  • Secret management: Mobile credential storage, keychain/keystore integration, biometric-protected secrets
  • Output encoding: Context-aware encoding for mobile UI, WebView content encoding, push notification security

Read the full file on GitHub · 184 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. 6d ago First seen · 184 lines · 41 tokens per session scan A 8a95bfd88374

Subscribe to this mod's changes

mobile-security-coder is a skill published in the GitHub repository tmolavi/mcp-agent-skills-hub (8 stars, last pushed 13d ago), licensed MIT. It adds 41 tokens to every session and 2,343 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to mobile-security-coder, differing in 0 lines, and is treated as a copy.

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