Individual skill

security-sensitive-path-instrumenter

Instruments authentication, authorization, and input-handling code paths to monitor security-relevant events and states at runtime. Use this skill when developers need to add security monitoring and logging to their code, including tracking authentication attempts (login/logout), authorization decisions (access control checks), input validation failures, session management events, and other security-critical operations. Supports Python, JavaScript/TypeScript, and Java with structured logging patterns. Triggers when users ask to add security instrumentation, monitor security events, log authentication/authorization, track security-sensitive operations, or add security observability to their codebase.

skills/security-sensitive-path-instrumenter/SKILL.md

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Aug 21, 2026
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Apache-2.0

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# Security-Sensitive Path Instrumenter

Add structured logging instrumentation to security-critical code paths for runtime monitoring of authentication, authorization, input validation, session management, and other security-relevant events.

## Workflow

1. **Identify security-sensitive code paths** - Locate authentication, authorization, input validation, or session management code that needs instrumentation

2. **Determine event types** - Classify the security events to monitor (see [security_events.md](references/security_events.md) for taxonomy)

3. **Review best practices** - Check [best_practices.md](references/best_practices.md) for what to log and what to avoid (never log passwords, secrets, or sensitive PII)

4. **Select language patterns** - Use [language_patterns.md](references/language_patterns.md) for language-specific instrumentation code (Python, JavaScript/TypeScript, Java)
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