# Data Types The Vestry DataPlane Service API contains several data types that various actions use. This section describes each data type in detail. **Note** The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order. The following data types are supported: + [A2aAgentCardDescriptor](API_A2aAgentCardDescriptor.md) + [AgentSkillsAdditionalData](API_AgentSkillsAdditionalData.md) + [AgentSkillsDefinitionDescriptor](API_AgentSkillsDefinitionDescriptor.md) + [AgentSkillsMdDescriptor](API_AgentSkillsMdDescriptor.md) + [BatchGetDiscoverableRegistryRecordError](API_BatchGetDiscoverableRegistryRecordError.md) + [CustomDescriptor](API_CustomDescriptor.md) + [Descriptors](API_Descriptors.md) + [DescriptorSource](API_DescriptorSource.md) + [DescriptorSourceFromUrl](API_DescriptorSourceFromUrl.md) + [DiscoverableRegistryRecordSummary](API_DiscoverableRegistryRecordSummary.md) + [McpServerAdditionalData](API_McpServerAdditionalData.md) + [McpServerDescriptor](API_McpServerDescriptor.md) + [McpToolsDescriptor](API_McpToolsDescriptor.md) + [RegistryRecordFilter](API_RegistryRecordFilter.md) + [RegistryRecordsEntry](API_RegistryRecordsEntry.md) + [RegistryRecordSummary](API_RegistryRecordSummary.md) + [ValidationExceptionField](API_ValidationExceptionField.md)