export interface MCPTool {
    name: string;
    description: string;
    inputSchema: any;
    outputSchema?: any;
    tags?: string[];
}
export interface MCPFetchResult {
    requiresAuth: boolean;
    tools: MCPTool[];
    authMetadataUrl?: string;
}
/**
 * Fetch MCP tool definitions from a remote MCP server using the MCP JSON-RPC protocol.
 * Uses StreamableHTTP transport via the @modelcontextprotocol/sdk.
 *
 * @param serverUrl - The URL of the remote MCP server
 * @returns MCPFetchResult with tools if no auth, or requiresAuth flag if auth needed
 */
export declare function fetchMCPTools(serverUrl: string): Promise<MCPFetchResult>;
/**
 * Read and parse MCP tool definitions from a JSON file.
 * Accepts two formats:
 * - `{ tools: [{ name, description, inputSchema }] }` (mcp-tools.json format)
 * - `[{ name, description, inputSchema }]` (raw array of tools)
 *
 * @param filePath - Path to the JSON file containing tool definitions
 * @returns Array of MCPTool objects
 */
export declare function readMCPToolsFromFile(filePath: string): Promise<MCPTool[]>;
export interface MCPAuthProbeResult {
    requiresAuth: boolean;
    authMetadataUrl?: string;
}
/**
 * Lightweight probe to check if an MCP server requires authentication.
 * Sends a GET request and checks for a 401 response + WWW-Authenticate header.
 * Does NOT attempt to fetch tools via MCP protocol.
 *
 * @param serverUrl - The URL of the remote MCP server
 * @returns Whether auth is required and the resource_metadata URL if available
 */
export declare function probeMCPServerAuth(serverUrl: string): Promise<MCPAuthProbeResult>;
export interface MCPOAuthMetadata {
    authorizationUrl: string;
    tokenUrl: string;
    refreshUrl?: string;
}
/**
 * Resolve OAuth metadata (authorization_endpoint, token_endpoint, refresh_endpoint) from an MCP server's
 * resource metadata URL. Follows the MCP auth flow:
 *   1. Fetch the resource metadata URL (from WWW-Authenticate header's resource_metadata)
 *   2. Extract authorization_servers[0]
 *   3. Construct the RFC 8414 well-known URL
 *   4. Fetch authorization_endpoint / token_endpoint from that well-known URL
 *
 * @param authMetadataUrl - The resource_metadata URL from the 401 WWW-Authenticate header
 * @param wellKnownUrl - Optional: if already known, skip discovery and use this URL directly
 * @returns MCPOAuthMetadata with authorization and token URLs
 */
export declare function resolveMCPOAuthMetadata(authMetadataUrl?: string, wellKnownUrl?: string): Promise<MCPOAuthMetadata>;
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