# Syn JSON Validate

> Skill for JSON Schema validation in the context of JSON data. Use when the user's task is specifically about JSON Schema validation.

- Skill: `legendtkl/syn-json-validate` (Agent Skill)
- Install (CLI): `npx skillmds@latest add legendtkl/syn-json-validate`
- Raw SKILL.md: https://api.skillmd.com/api/skills/legendtkl/syn-json-validate/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- Author: legendtkl (https://skillmd.com/u/legendtkl)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/legendtkl/syn-json-validate

---


# JSON data: JSON Schema validation

## When to use

Use this skill for JSON Schema validation in JSON data. This skill
specifically handles JSON Schema validation and nothing else in the
JSON data family.

## Procedure

Validate JSON documents against a JSON Schema and report each violation.

## Notes

This is the JSON data skill dedicated to JSON Schema validation.
Sibling skills cover other JSON data capabilities; this one
is the right choice only when the task is about JSON Schema validation.