Gemini MCP Server

// Base MCP Protocol Types export interface MCPRequest { jsonrpc: '2.0'; id: string | number; method: string; params?: any; } export interface MCPResponse { jsonrpc: '2.0'; id: string | number; result?: any; error?: { code: number; message: string; data?: any; }; } export interface MCPError { code: number; message: string; data?: any; } // Connection Management export interface ConnectionState { connectedAt: Date; lastMessageAt: Date; initialized: boolean; activeRequests: Set<string | number>; ip: string; } // Notification Types export interface NotificationMessage { jsonrpc: '2.0'; method: string; params?: any; } export interface ErrorNotification extends NotificationMessage { method: 'notifications/error'; params: { code: number; message: string; data?: any; }; } export interface ProgressParams { progressToken: string | number; progress: number; total?: number; } export interface ProgressNotification extends NotificationMessage { method: 'notifications/progress'; params: ProgressParams; } // Request Types export interface GenerateRequest extends MCPRequest { method: 'generate'; params: { prompt: string; temperature?: number; maxTokens?: number; stopSequences?: string[]; }; } export interface GenerateResponse extends MCPResponse { result: { type: 'completion'; content: string; metadata: { model: string; provider: string; temperature?: number; maxTokens?: number; stopSequences?: string[]; }; }; } export interface StreamRequest extends MCPRequest { method: 'stream'; params: { prompt: string; temperature?: number; maxTokens?: number; stopSequences?: string[]; }; } export interface StreamResponse extends MCPResponse { result: { type: 'stream'; content: string; done: boolean; }; } export interface CancelRequest extends MCPRequest { method: 'cancel'; params: { requestId: string | number; }; } export interface ConfigureRequest extends MCPRequest { method: 'configure'; params: { configuration: { model?: string; temperature?: number; maxTokens?: number; stopSequences?: string[]; timeout?: number; }; }; } // Server Configuration export interface ServerInfo { name: string; version: string; } export interface ServerCapabilities { experimental?: Record<string, any>; prompts?: { listChanged?: boolean; }; resources?: { subscribe?: boolean; listChanged?: boolean; }; tools?: { listChanged?: boolean; }; logging?: Record<string, any>; } export interface InitializeResult { protocolVersion: string; serverInfo: ServerInfo; capabilities: ServerCapabilities; } // Lifecycle Types export interface ShutdownRequest extends MCPRequest { method: 'shutdown'; } export interface ExitNotification extends NotificationMessage { method: 'exit'; } // Resource and Prompt References (for interfaces) export interface ResourceReference { type: 'resource'; uri: string; } export interface PromptReference { type: 'prompt'; name: string; } export interface CompletionArgument { name: string; value: string; } export interface Completion { values: Array<{ value: string; description?: string; }>; total?: number; hasMore?: boolean; }