/**
 * Plugin Marketplace — List/install community plugins via npm.
 */
export interface MarketplacePlugin {
    name: string;
    description: string;
    version: string;
    date?: string;
    author?: string;
}
export interface MarketplaceSearchResult {
    plugins: MarketplacePlugin[];
    total: number;
}
/**
 * Search npm for agentprobe plugins.
 */
export declare function searchPlugins(query?: string): MarketplaceSearchResult;
/**
 * Install a plugin via npm.
 */
export declare function installPlugin(name: string, opts?: {
    global?: boolean;
}): {
    success: boolean;
    message: string;
};
/**
 * Uninstall a plugin via npm.
 */
export declare function uninstallPlugin(name: string): {
    success: boolean;
    message: string;
};
/**
 * Format marketplace results for terminal display.
 */
export declare function formatMarketplace(result: MarketplaceSearchResult): string;
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