data class JsonRpcResponse(val jsonrpc: String = JSON_RPC_VERSION, val id: String, val result: JsonElement? = null, val error: JsonRpcError? = null) : JsonRpcMessage

NotificationParams

interface NotificationParams

Base parameters for a notification. Notifications can have _meta and other fields depending on the subtype.

PaginatedResult

interface PaginatedResult : Result

For paginated results, the schema defines PaginatedResult extending Result with an optional nextCursor field.

PingRequest

@Serializable

@SerialName(value = "ping")

data class PingRequest(val id: String, val params: PingRequest.PingParams? = null) : JsonRpcRequest

ProgressNotification

@Serializable

@SerialName(value = "notifications/progress")

data class ProgressNotification(val params: ProgressNotification.ProgressParams) : JsonRpcNotification

Result

interface Result

Base interface for all result types from MCP responses. The schema states Result can have an optional _meta field. We'll model it as an optional Map.

Role

@Serializable

enum Role : Enum<Role>