@a2alite/sdk
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A Modular SDK (Server & Client) for Agent to Agent (A2A) protocol, with easy task lifecycle management
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TypeScript
import { MessageSendParams, SendMessageSuccessResponse, GetTaskSuccessResponse, CancelTaskSuccessResponse, SendStreamingMessageSuccessResponse, TaskQueryParams, TaskIdParams, JSONRPCError, AgentCard } from "../types/types.ts";
declare function fetchAgentCard(baseUrl: string, path?: string): Promise<AgentCard>;
declare class A2AClient {
private _url;
private _agentCard;
private static idCounter;
private static idCounterBound;
constructor(agentCard: AgentCard);
private static getNewId;
private jsonRpcRequest;
sendMessage(params: MessageSendParams): Promise<SendMessageSuccessResponse["result"] | JSONRPCError>;
getTask(params: TaskQueryParams): Promise<GetTaskSuccessResponse["result"] | JSONRPCError>;
cancelTask(params: TaskIdParams): Promise<CancelTaskSuccessResponse["result"] | JSONRPCError>;
sendStreamMessage(params: MessageSendParams): AsyncGenerator<SendStreamingMessageSuccessResponse["result"] | JSONRPCError | undefined>;
resubscribeTask(params: TaskIdParams): AsyncGenerator<SendStreamingMessageSuccessResponse["result"] | JSONRPCError | undefined>;
private parseSSEStream;
get agentCard(): AgentCard;
static getClientFromUrl(baseUrl: string, path?: string): Promise<A2AClient>;
}
export { A2AClient, fetchAgentCard };