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Nextjs Server Action Validation

Category: Engineering  ·  Sub-category: frontend  ·  Last updated:
fw:reacttool:stripe
Use when writing a Next.js Server Action that accepts user-submitted form data, mutation parameters, or any client-originated input. Every Server Action is a public HTTP endpoint regardless of how it is called — validate with Zod and check authentication as the first two operations before touching the database. Do NOT use for GET route handlers or Server Components that fetch data (those have no user-supplied input); do NOT use for Stripe webhook handlers (use stripe-webhook-signature-verification instead).

What this skill does

Nextjs Server Action Validation is a community-contributed Claude Code skill in the frontend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/nextjs-server-action-validation/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when writing a Next.js Server Action that accepts user-submitted form data, mutation parameters, or any client-originated input.

Who uses this skill

The Nextjs Server Action Validation Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/nextjs-server-action-validation
curl -L https://claudskills.com/skills/nextjs-server-action-validation/SKILL.md \
  -o ~/.claude/skills/nextjs-server-action-validation/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/nextjs-server-action-validation/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/nextjs-server-action-validation/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\nextjs-server-action-validation\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

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Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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