Tighten error handling and validation across code boundaries.
npx skills add https://github.com/nokusukun/sublime --skill harden-nokusukun
Please help me install this Agent Skill. Skill: harden Source: https://github.com/nokusukun/sublime/tree/main/harden Command: npx skills add https://github.com/nokusukun/sublime --skill harden-nokusukun
Tighten error handling, validation, and failure modes across code boundaries to ensure failures are honest and recoverable.
Run the harden workflow on the target codebase to inventory boundaries and tighten error handling at the entry points.
High-intent search queries and answers about installing and using this skill.
To tighten error handling across code boundaries, inventory network, filesystem, parser, user input, subprocess, database, clock, and environment boundaries to identify gaps, enforce parsing at entry, and narrow exception targets for honest failures.
Preventing silent failures requires auditing fallback-masks-bug patterns and swallowed exceptions, enforcing explicit validation at entry points, and ensuring errors are honest and recoverable rather than masked by default fallbacks.
Strengthening security posture involves performing targeted checks for SQL usage safety with prepared statements, CSRF protection, and crypto RNG to prevent insecure behavior and silent failures across code boundaries.
Validate parser input and user input at entry points when processing production code across network, filesystem, subprocess, database, clock, or environment boundaries to ensure honest failures and recoverable errors.
Yes, this error handling and validation hardening approach operates with no external dependencies or components, applying disciplined boundary inventory and security checks directly to the target codebase.
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