a2a.client.auth.interceptor module

class a2a.client.auth.interceptor.AuthInterceptor(credential_service: CredentialService)

Bases: ClientCallInterceptor

An interceptor that automatically adds authentication details to requests.

Based on the agent’s security schemes.

async intercept(method_name: str, request_payload: dict[str, Any], http_kwargs: dict[str, Any], agent_card: AgentCard | None, context: ClientCallContext | None) → tuple[dict[str, Any], dict[str, Any]]

Applies authentication headers to the request if credentials are available.