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overtimepog

Implement comprehensive input validation on server-side with complementary client-side validation for user experience, using allowlists, type checking, and sanitization to prevent injection attacks. Use this skill when validating user inputs, form data, API requests, file uploads, query parameters, or any external data entering the application. Apply this skill when implementing server-side validation as the primary security layer, adding client-side validation for immediate user feedback, validating data types and formats, checking ranges and required fields, sanitizing inputs to prevent SQL injection and XSS attacks, using allowlists over blocklists, providing field-specific error messages, or enforcing business rules at appropriate application layers. This skill ensures validation happens at all entry points consistently, security is never dependent on client-side checks alone, users receive helpful immediate feedback, and data integrity is maintained through multiple layers of validation.

TorbenMerrald

Global Validation is a technique for validating data types, formats, ranges, and required fields, providing clear error messages and sanitizing user input.

affaan-m

perl-security is a set of guidelines for secure Perl programming, covering taint mode, input validation, and web security measures

IsKenKenYa

Rigorous visual validation expert specializing in UI testing,

bebopbabailey

Enforce docs-first, minimal-contract, validation-heavy workflow; prevent cross-host mistakes and scope creep.

macho715

Load CSV/XLSX into DuckDB with validation and an ETL markdown report

DataDog

Lading Preflight is an environment validation checklist for AI agents

waynesutton

External API integration and webhook handling including HTTP endpoint routing, request/response handling, authentication, CORS configuration, and webhook signature validation

avifenesh

joi is a JavaScript library for validating JavaScript objects using a simple and intuitive API.

actionbook

CRITICAL: Use for domain modeling. Triggers: domain model, DDD, domain-driven design, entity, value object, aggregate, repository pattern, business rules, validation, invariant, 领域模型, 领域驱动设计, 业务规则

sedarged

Run lint, typecheck, test, and test:render; collect results and produce a short audit report. Use when asked to audit the repo, check project health, or run full validation.

ThibautBaissac

Creates Rails models using TDD approach - spec first, then migration, then model. Use when creating new models, adding model validations, defining associations, or setting up database tables.