interface McpServerConfig {
    command: string;
    args?: string[];
    env?: Record<string, string>;
}
/** Load global MCP server configs from occ-mcp-servers.json or env. */
export declare function loadMcpServers(): void;
/** Register a server config (can be called from chain-level config). */
export declare function registerMcpServer(name: string, config: McpServerConfig): void;
/** Call a tool on an external MCP server. Auto-recovers from stale connections. */
export declare function mcpCall(serverName: string, toolName: string, args: Record<string, unknown>): Promise<string>;
/** List all available tools across all configured servers. */
export declare function discoverTools(): Promise<Record<string, string[]>>;
/** Get list of configured server names. */
export declare function getConfiguredServers(): string[];
/** Get current MCP server configs as a plain object. */
export declare function getMcpConfig(): Record<string, McpServerConfig>;
/** Save MCP server config to disk AND reload in-memory. */
export declare function saveMcpConfig(config: Record<string, McpServerConfig>): Promise<void>;
/** Shutdown all active MCP clients. */
export declare function closeMcpClients(): Promise<void>;
export {};