forms-validation

Enforce schema-driven server-side validation and accessible form state patterns.

Updated Jan 1, 2026
One-click install
npx skills add https://github.com/MORTAKI0/doittimer --skill forms-validation-mortaki0
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: forms-validation
Source: https://github.com/MORTAKI0/doittimer/tree/main/.codex/skills/forms-validation
Command: npx skills add https://github.com/MORTAKI0/doittimer --skill forms-validation-mortaki0

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This guide helps teams design and enforce forms that are easy to use, hard to break, and accessible across the app.

Core Features & Use Cases

  • Server-side validation driven by schemas to prevent invalid submissions.
  • Explicit, predictable form state with clear field errors and progress indicators.
  • Accessibility-first patterns covering labeling, focus, and keyboard navigation.
  • Suitable for single-page forms, multi-step workflows, and mutation-heavy UX.

Quick Start

Define a schema-backed form, bind it to server actions, and ensure accessible, explicit state with clear errors.

Frequently Asked Questions about forms-validation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement schema-driven server-side form validation?

Schema-driven server-side form validation enforces data integrity by binding schemas to server actions, preventing invalid submissions before processing and returning explicit field errors.

What's the best way to make form validation accessible?

Accessible form validation requires proper labeling, focus management, and keyboard navigation. These patterns ensure screen reader compatibility and clear error messaging for all users.

Can I use explicit form state patterns for multi-step workflows?

Explicit form state patterns suit multi-step workflows by tracking progress indicators and field errors across each stage. This ensures predictable state management throughout mutation-heavy UIs.

Does server-rendered form validation work with server actions?

Server-rendered form validation works seamlessly with server actions by enforcing schema-driven checks on the server. This prevents invalid mutations and maintains explicit state across server-rendered forms.

Why does my form UX break during heavy mutations?

Form UX breaks during heavy mutations when state is implicit and error handling is unclear. Enforcing explicit form state, schema validation, and accessible UX patterns stabilizes mutation-heavy UIs.

When do I need schema validation for forms?

Schema validation for forms is needed when handling server-side submissions, multi-step flows, or mutation-heavy UI. It enforces data integrity, explicit state, and accessible error messaging across applications.