Crate a2a_protocol_core 

A2A Protocol Core — v1.0.0

Pure A2A (Agent-to-Agent) protocol domain logic, completely transport agnostic.

Re-exports

pub use agent::AgentCapabilities;

pub use agent::AgentCard;

pub use agent::AgentCardSignature;

pub use agent::AgentExtension;

pub use agent::AgentInterface;

pub use agent::AgentProvider;

pub use agent::AgentSkill;

pub use error::A2AError;

pub use error::A2AResult;

pub use error::a2a_error_codes;

pub use protocol::A2AProtocol;

pub use registry::A2AMethodHandler;

pub use registry::A2AMethodRegistry;

pub use registry::A2ANotificationHandler;

pub use registry::MethodMetadata;

pub use registry::RegistryStats;

pub use security::ApiKeySecurityScheme;

pub use security::AuthorizationCodeOAuthFlow;

pub use security::ClientCredentialsOAuthFlow;

pub use security::DeviceCodeOAuthFlow;

pub use security::HttpAuthSecurityScheme;

pub use security::MutualTlsSecurityScheme;

pub use security::OAuth2SecurityScheme;

pub use security::OAuthFlows;

pub use security::OpenIdConnectSecurityScheme;

pub use security::SecurityRequirement;

pub use security::SecurityScheme;

pub use transport::A2ATransport;

pub use transport::A2ATransportFactory;

pub use data::Artifact;

pub use data::AuthenticationInfo;

pub use data::Message;

pub use data::MessageRole;

pub use data::Part;

pub use data::Task;

pub use data::TaskPushNotificationConfig;

pub use data::TaskState;

pub use data::TaskStatus;

pub use methods::discovery::AgentDiscovery;

pub use methods::discovery::AuthenticatedExtendedCardParams;

pub use methods::discovery::AuthenticatedExtendedCardResult;

pub use methods::discovery::DefaultAgentDiscovery;

pub use methods::params::CancelTaskRequest;

pub use methods::params::CreateTaskPushNotificationConfigRequest;

pub use methods::params::DeleteTaskPushNotificationConfigRequest;

pub use methods::params::GetTaskPushNotificationConfigRequest;

pub use methods::params::GetTaskRequest;

pub use methods::params::ListTaskPushNotificationConfigsRequest;

pub use methods::params::ListTasksRequest;

pub use methods::params::ListTasksResponse;

pub use methods::params::MessageSendParams;

pub use methods::params::MessageSendResponse;

pub use methods::params::SendMessageConfiguration;

pub use methods::params::SendMessageRequest;

pub use methods::params::SendMessageResponse;

pub use methods::params::SubscribeToTaskRequest;

pub use methods::params::TaskCancelParams;

pub use methods::params::TaskGetParams;

pub use methods::params::TaskListParams;

pub use methods::params::TaskListResult;

pub use services::ConversationContext;

pub use services::InMemoryTaskStorage;

pub use services::TaskStorage;

Modules

agent

A2A v1.0 Agent Metadata Types

data

A2A Protocol v1.0 Data Structures

error

A2A v1.0 Error Types

jsonrpc_error_codes

Standard JSON-RPC 2.0 Error Codes

methods

A2A v1.0 Standard Methods

protocol

A2A v1.0 Protocol Handler

registry

A2A Method Registry

security

A2A v1.0 Security Scheme Types

services

Domain Services for A2A Protocol Core

transport

A2A Transport Abstraction

Structs

JsonRpcError

JSON-RPC 2.0 Error Object structure

JsonRpcNotification

JSON-RPC 2.0 Notification structure

JsonRpcRequest

JSON-RPC 2.0 Request structure

JsonRpcResponse

JSON-RPC 2.0 Response structure

Enums

JsonRpcIncoming

Incoming JSON-RPC message types

Constants

A2A_PROTOCOL_VERSION

A2A Protocol Version

JSONRPC_VERSION

JSON-RPC 2.0 version constant

Type Aliases

JsonRpcId

JSON-RPC 2.0 request ID type