Fsharp Validation

Quality score: 70/100 · Category: General · Sub-category: general-misc

Create validation logic for F# backends with error accumulation and async validation. Use when: "add validation", "validate X", "input validation", "complex validation", "business rules", "check email", "required fields", "async validation", "database uniqueness", "cross-field validation", "validation errors". Creates validators in src/Server/Validation.fs. Use for complex scenarios; basic validation patterns are in fsharp-backend skill.

What this skill does

Fsharp Validation is a production-ready Claude Code skill (quality score 70/100) in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fsharp-validation/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when: "add validation", "validate X", "input validation", "complex validation", "business rules", "check email", "required fields", "async validation", "database uniqueness", "cross-field validation", "validation errors". Creates validators in src/Server/Validation.

Who uses this skill

The Fsharp Validation skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/fsharp-validation/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fsharp-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.

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