Module validation 

Lightweight JSON Schema validator for tool input schemas.

Supports the subset of JSON Schema used by tool definitions:

• type: “object”, “string”, “number”, “integer”, “boolean”, “array”, “null”
• required: array of required field names (for objects)
• properties: map of field name → sub-schema (for objects)
• items: schema for array items
• enum: list of allowed values

Functions

validate_json

Validate a JSON value against a JSON Schema.