ExMCP.Content.SchemaValidator (ex_mcp v0.10.0)

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Schema validation for MCP content.

This module handles all schema-based validation, including JSON Schema validation and custom schema rules. Extracted from the original Content.Validation module to follow Single Responsibility Principle.

Summary

Types

validation_error()
validation_result()

Functions

validate_format(content)

Validates content format and structure.

validate_max_size(arg1, max_size)

Validates content size against maximum limits.

validate_mime_types(arg1, allowed_types)

Validates MIME types against allowed types.

validate_required_fields(arg1)

Validates that required fields are present and non-empty.

validate_schema(content, schema)

Validates content against a JSON Schema.

Types

validation_error()

@type validation_error() :: %{
  rule: atom(),
  message: String.t(),
  field: String.t() | nil,
  value: any(),
  severity: :error | :warning | :info
}

validation_result()

@type validation_result() :: :ok | {:error, [validation_error()]}

Functions

validate_format(content)

@spec validate_format(ExMCP.Content.Protocol.content()) :: validation_result()

Validates content format and structure.

validate_max_size(arg1, max_size)

@spec validate_max_size(ExMCP.Content.Protocol.content(), pos_integer()) ::
  validation_result()

Validates content size against maximum limits.

validate_mime_types(arg1, allowed_types)

@spec validate_mime_types(ExMCP.Content.Protocol.content(), [String.t()]) ::
  validation_result()

Validates MIME types against allowed types.

validate_required_fields(arg1)

@spec validate_required_fields(ExMCP.Content.Protocol.content()) ::
  validation_result()

Validates that required fields are present and non-empty.

validate_schema(content, schema)

@spec validate_schema(ExMCP.Content.Protocol.content(), map()) :: validation_result()

Validates content against a JSON Schema.

Examples

schema = %{
  type: "object",
  properties: %{
    name: %{type: "string"},
    age: %{type: "integer", minimum: 0}
  },
  required: ["name"]
}

case SchemaValidator.validate_schema(content, schema) do
  :ok -> :valid
  {:error, errors} -> handle_errors(errors)
end