Crate brainwires_a2a 

brainwires-a2a

Agent-to-Agent (A2A) protocol implementation with JSON-RPC, REST, and gRPC bindings.

Features

• client — HTTP client for JSON-RPC and REST (reqwest)
• server — HTTP server for JSON-RPC and REST (hyper)
• native — Both client and server (default)
• grpc — gRPC types (prost + tonic)
• grpc-client — gRPC client transport
• grpc-server — gRPC server service
• full — Everything

Re-exports

pub use agent_card::AgentCapabilities;

pub use agent_card::AgentCard;

pub use agent_card::AgentCardSignature;

pub use agent_card::AgentExtension;

pub use agent_card::AgentInterface;

pub use agent_card::AgentProvider;

pub use agent_card::AgentSkill;

pub use agent_card::ApiKeySecurityScheme;

pub use agent_card::AuthorizationCodeOAuthFlow;

pub use agent_card::ClientCredentialsOAuthFlow;

pub use agent_card::DeviceCodeOAuthFlow;

pub use agent_card::HttpAuthSecurityScheme;

pub use agent_card::ImplicitOAuthFlow;

pub use agent_card::MutualTlsSecurityScheme;

pub use agent_card::OAuth2SecurityScheme;

pub use agent_card::OAuthFlows;

pub use agent_card::OpenIdConnectSecurityScheme;

pub use agent_card::PasswordOAuthFlow;

pub use agent_card::SecurityRequirement;

pub use agent_card::SecurityScheme;

pub use error::A2aError;

pub use jsonrpc::JsonRpcRequest;

pub use jsonrpc::JsonRpcResponse;

pub use jsonrpc::RequestId;

pub use push_notification::AuthenticationInfo;

pub use push_notification::TaskPushNotificationConfig;

pub use streaming::SendMessageResponse;

pub use streaming::StreamResponse;

pub use streaming::TaskArtifactUpdateEvent;

pub use streaming::TaskStatusUpdateEvent;

pub use task::Task;

pub use task::TaskState;

pub use task::TaskStatus;

pub use types::Artifact;

pub use types::Message;

pub use types::Part;

pub use types::Role;

pub use client::A2aClient;

pub use client::Transport;

pub use server::A2aHandler;

pub use server::A2aServer;

pub use params::*;

Modules

agent_card

Agent card and capability types. Agent card types: AgentCard, AgentCapabilities, AgentSkill, security schemes, OAuth flows.

client

A2A client with transport selection. A2A client — unified client with transport selection.

convert

Type conversions between serde and proto types. Conversions between hand-written serde types and proto-generated types.

error

Error types and JSON-RPC error codes. A2A error types and JSON-RPC error codes.

jsonrpc

JSON-RPC 2.0 envelopes and method constants. JSON-RPC 2.0 envelope types and method constants.

params

Typed request parameter structs. Typed request parameter structs for all A2A methods.

proto

Generated proto types (gRPC feature). Re-export generated proto types from tonic-build.

push_notification

Push notification configuration types. Push notification configuration types.

server

A2A server serving all protocol bindings. A2A server — serves JSON-RPC, REST, and optionally gRPC.

streaming

Streaming event types. Streaming event types for A2A.

task

Task lifecycle types: Task, TaskStatus, TaskState. Task lifecycle types: Task, TaskStatus, TaskState.

types

Core message types: Message, Part, Artifact, Role. Core A2A message types: Message, Part, Artifact, Role.