/**
 * Built-in Context7 MCP provider — documentation lookup.
 *
 * Context7 provides library/framework documentation via their API.
 * Requires CONTEXT7_API_KEY environment variable.
 *
 * Gracefully returns empty results when not configured.
 */
import type { McpDocResult, BuiltinMcpProvider } from './types';
export interface Context7Mcp extends BuiltinMcpProvider {
    /** Look up documentation for a library or concept. */
    lookup(query: string, library?: string): Promise<McpDocResult[]>;
}
export declare function createContext7Mcp(explicitKey?: string): Context7Mcp;
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