Crate acai

Expand description

acai: Agent2Agent Communication API Implementation

A Rust implementation of the Agent2Agent (A2A) protocol, enabling standardized communication between various AI agents and clients.

This crate provides:

Type definitions for all A2A protocol messages and data structures
Serialization/deserialization support for JSON-RPC requests and responses
Validation of protocol constraints
HTTP client for making A2A requests
HTTP server for handling A2A requests (supporting both HTTP/1.1 and HTTP/2)
Structured logging via indicio

Re-exports§

pub use client::Client;
pub use client::ClientConfig;
pub use client::Error as ClientError;
pub use error::TaskError;
pub use error::UrlValidationError;
pub use error::to_client_error;
pub use error::to_json_rpc_error;
pub use error::to_server_error;
pub use error::to_task_error;
pub use error::validate_url;
pub use server::Error as ServerError;
pub use server::MethodRouter;
pub use server::RequestHandler;
pub use server::Server;
pub use server::ServerConfig;
pub use server::jwks::Claims;
pub use server::jwks::JwksError;
pub use server::jwks::JwksManager;

Modules§

client: A2A Protocol client implementation
error
server: A2A Protocol server implementation

Structs§

AgentAuthentication: Agent Authentication information
AgentCapabilities: Agent Capabilities
AgentCard: Agent Card
AgentProvider: Agent Provider
AgentSkill: Agent Skill
Artifact: Artifact
FileContent: File Content
FormField: Message Part
FormSchema: Form Schema
JsonRpcError: JSON-RPC Error
JsonRpcRequest: JSON-RPC Request
JsonRpcResponse: Generic response for any JSON-RPC method
Message: Message
PushNotificationConfig: Push Notification Configuration
ReqwestError: The Errors that may occur when processing a Request.
Task: Task
TaskArtifactUpdateEvent: Task Artifact Update Event
TaskIdParams: Task ID Parameters
TaskPushNotificationConfig: Task Push Notification Configuration
TaskQueryParams: Task Query Parameters
TaskSendParams: Task Send Parameters
TaskStatus: Task Status
TaskStatusUpdateEvent: Task Status Update Event
TokenData: The return type of a successful call to decode.

Enums§

MessageRole: Message Role
Part
StreamingResponseContent: A streaming response result content type.
TaskState: Task State
Value: Represents any valid JSON value.