/**
 * MCP stdio server adapter for semantic codebase search.
 *
 * Exposes the SearchEngine as a single "search" tool over the Model Context Protocol,
 * enabling any MCP-compatible client to run semantic codebase queries.
 *
 * The server defaults to using its CWD as the search directory. Claude Code
 * launches MCP servers with CWD set to the project root, so no configuration
 * is needed for typical per-project usage.
 */
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
/**
 * Create an MCP server instance configured with the semantic search tool.
 *
 * @param defaultSearchDir - Default directory to index and search. Used when
 *   the client doesn't specify `searchDir` in the tool call. Typically the
 *   server's CWD, which Claude Code sets to the project root.
 */
export declare function createMcpServer(defaultSearchDir: string): Server;
/**
 * Create and start an MCP server over stdio.
 * This blocks until the transport is closed.
 */
export declare function startServer(searchDir: string): Promise<void>;
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