Tests authentication and authorization mechanisms in mobile application APIs to identify broken authentication, insecure token management, session fixation, privilege escalation, and IDOR vulnerabilities. Use when performing API security assessments against mobile app backends, testing JWT implementations, evaluating OAuth flows, or assessing session management.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-mobile-api-authenticationnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-mobile-api-authentication -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-mobile-api-authentication -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/testing-mobile-api-authenticationgh skill install mukul975/Anthropic-Cybersecurity-Skills testing-mobile-api-authenticationgit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/testing-mobile-api-authentication ~/.claude/skills/testing-mobile-api-authentication # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/testing-mobile-api-authentication ~/.agents/skills/testing-mobile-api-authentication # Codex, Cursor, Gemini CLI, Copilot, OpenCode