/**
 * MCP App tool registration for skill directory configuration.
 *
 * Registers:
 * - skill-config: Opens the configuration UI
 * - skill-config-add-directory: Adds a directory (UI-only)
 * - skill-config-remove-directory: Removes a directory (UI-only)
 */
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { SkillState } from "./skill-tool.js";
/**
 * Callback type for when directories or GitHub settings change.
 */
export type OnDirectoriesChangedCallback = () => void | Promise<void>;
/**
 * Register skill-config MCP App tools and resource.
 *
 * @param server - The MCP server instance
 * @param skillState - Shared skill state for getting skill counts
 * @param onDirectoriesChanged - Callback when directories are added/removed
 */
export declare function registerSkillConfigTool(server: McpServer, skillState: SkillState, onDirectoriesChanged: OnDirectoriesChangedCallback): void;