import type { Config, MCPServerConfig, Tool } from '../index.js';
export interface MCPRegistryHandle {
    start(cfg: MCPServerConfig): Promise<void>;
    stop(name: string): Promise<void>;
    restart(name: string): Promise<void>;
    describe(): {
        name: string;
        state: string;
        toolCount: number;
        enabled: boolean;
        tools?: string[];
    }[];
    list(): {
        name: string;
        state: string;
        toolCount: number;
        tools?: string[];
    }[];
    /**
     * Register all cached tools for a server without restarting it.
     * No-op if the server is not connected or tools are already active.
     * Used in token-saving mode to temporarily expose MCP tools.
     */
    activateServer?(name: string): void;
    /**
     * Unregister all tools for a server without disconnecting it.
     * Returns the number of tools that were deactivated.
     * Used in token-saving mode to hide MCP tools after use.
     */
    deactivateServer?(name: string): number;
    /**
     * Check whether a server's tools are currently registered.
     */
    isActivated?(name: string): boolean;
}
export interface CreateMcpControlToolOptions {
    /**
     * Read the current config object. The tool never mutates this directly —
     * writes go to the global config file via `configPath`.
     */
    getConfig: () => Config;
    /**
     * Path to the active profile config for atomic config writes.
     */
    configPath: string;
    /**
     * Live MCP registry for runtime start/stop/restart. The tool calls these
     * immediately so the LLM sees the result of its action in the same turn.
     */
    registry: MCPRegistryHandle;
}
export declare function createMcpControlTool(opts: CreateMcpControlToolOptions): Tool;
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