export type McpCallResult = {
    isError: boolean;
    content: unknown;
};
/** How to start a stdio MCP server: its argv and the env its config sets. */
export type McpLaunch = {
    command: string[];
    env: Record<string, string>;
};
/** Call one tool on the server: the guard path. */
export declare const callMcpGuard: (launch: McpLaunch, cwd: string, tool: string, args: Record<string, string>, timeoutMs: number) => Promise<McpCallResult | undefined>;
/** The instructions the server sends on initialize, read without calling any tool. */
export declare const readMcpInstructions: (launch: McpLaunch, cwd: string, timeoutMs: number) => Promise<string | undefined>;
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