import { StitchProxyConfig } from '../spec/proxy.js';
import type { Tool } from '@modelcontextprotocol/sdk/types.js';
/**
 * Shared state for proxy handlers.
 */
export interface ProxyContext {
    config: StitchProxyConfig;
    remoteTools: Tool[];
}
/**
 * Forward a JSON-RPC request to Stitch.
 */
export declare function forwardToStitch(config: StitchProxyConfig, method: string, params?: unknown): Promise<unknown>;
/**
 * Initialize connection to Stitch and fetch tools.
 */
export declare function initializeStitchConnection(ctx: ProxyContext): Promise<void>;
/**
 * Refresh the cached tools list from Stitch.
 *
 * Applies schema repair to inject missing $defs before the tools are
 * re-served to MCP clients whose AJV validators would otherwise crash
 * on unresolved $ref targets.
 */
export declare function refreshTools(ctx: ProxyContext): Promise<void>;
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