Metro MCP

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 MCPCapabilities { tools?: { listChanged?: boolean; }; resources?: { subscribe?: boolean; listChanged?: boolean; }; } export interface MCPTool { name: string; description: string; inputSchema: { type: 'object'; properties: Record<string, any>; required?: string[]; }; }