import type { Agent, OneShotAgentOutput } from '@vibe-agent-toolkit/agent-schema';
import type { AgentRegistration, ArchetypeAdapter, GatewayConfig, Logger, MCPToolDefinition, ObservabilityProvider } from '../types.js';
/**
 * Internal registration with resolved adapter
 */
interface ResolvedToolRegistration {
    name: string;
    agent: Agent<unknown, OneShotAgentOutput<unknown, string>>;
    adapter: ArchetypeAdapter;
    definition: MCPToolDefinition;
}
/**
 * MCP Gateway - exposes VAT agents through Model Context Protocol
 *
 * Phase 1: Stdio transport, stateless agents only
 */
export declare class MCPGateway {
    protected readonly tools: Map<string, ResolvedToolRegistration>;
    protected readonly observability: ObservabilityProvider;
    protected readonly logger: Logger;
    protected readonly transport: 'stdio' | 'http';
    constructor(config: GatewayConfig);
    /**
     * Register an agent with the gateway
     */
    protected registerAgent(registration: AgentRegistration): void;
    /**
     * Get adapter for archetype (Phase 1: stateless only)
     */
    protected getAdapter(archetype: string): ArchetypeAdapter;
    /**
     * Get all registered tool definitions (for MCP tools/list)
     */
    getToolDefinitions(): MCPToolDefinition[];
    /**
     * Get tool registration by name
     */
    protected getToolRegistration(name: string): ResolvedToolRegistration;
    /**
     * Start the gateway (to be implemented by transport-specific subclasses)
     */
    start(): Promise<void>;
}
export {};
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