Claude-skill-registry json-schema

Name: json-schema
Author: majiayu000

Use when working with JSON Schema for validation, OpenAPI schemas, type definitions, and data structure specification

install

source · Clone the upstream repo

git clone https://github.com/majiayu000/claude-skill-registry

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/json-schema" ~/.claude/skills/majiayu000-claude-skill-registry-json-schema && rm -rf "$T"

manifest: skills/data/json-schema/SKILL.md

JSON Schema

Quick Start

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": ["id", "email"],
  "properties": {
    "id": { "type": "string", "format": "uuid" },
    "email": { "type": "string", "format": "email" },
    "age": { "type": "integer", "minimum": 0, "maximum": 150 },
    "role": { "enum": ["admin", "user", "guest"] },
    "tags": { "type": "array", "items": { "type": "string" } }
  }
}

Type Keywords

Type	Validation Keywords
`string`	`minLength` , `maxLength` , `pattern` , `format`
`number/integer`	`minimum` , `maximum` , `exclusiveMinimum` , `multipleOf`
`array`	`items` , `minItems` , `maxItems` , `uniqueItems`
`object`	`properties` , `required` , `additionalProperties`

Composition

{
  "allOf": [{ "$ref": "#/$defs/Base" }, { "properties": { "extra": {} } }],
  "oneOf": [{ "type": "string" }, { "type": "number" }],
  "anyOf": [{ "minimum": 0 }, { "maximum": 100 }],
  "not": { "type": "null" }
}

References

{
  "$defs": {
    "Address": {
      "type": "object",
      "properties": { "street": { "type": "string" } }
    }
  },
  "properties": {
    "billing": { "$ref": "#/$defs/Address" },
    "shipping": { "$ref": "#/$defs/Address" }
  }
}

Common Formats

date-time

date

time

email

uri

uuid

ipv4

ipv6

hostname

OpenAPI 3.1 Notes

OpenAPI 3.1 uses JSON Schema 2020-12
Use
```
nullable
```
via
```
type: ["string", "null"]
```
```
example
```
for single example,
```
examples
```
for multiple
```
$ref
```
can have siblings in 3.1 (not in 3.0)